species
103.
species
104.
species
114.
species
176.
species
203.
species
207.
species
216.
species
219.
species
233.
species
241.
species
245.
species
248.
species
251.
species
259.
species
264.
species
269.
species
285.
species
289.
species
313.
species
329.
species
342.
species
354.
species
356.
species
369.
species
370.
species
425.
species
429.
species
432.
species
433.
species
435.
species
450.
species
487.
species
493.
species
506.
species
513.
species
515.
species
523.
species
532.
species
533.
species
572.
species
574.
species
584.
species
597.
species
599.
species
602.
species
604.
species
606.
species
616.
species
622.
species
624.
species
629.
species
654.
species
722.
species
739.
species
767.
species
769.
species
772.
species
796.
species
801.
species
804.
species
845.
species
872.
species
886.
species
889.
species
901.
species
913.
species
919.
species
920.
species
1020.
species
1021.
species
1025.
species
1028.
species
1034.
species
1037.
species
1050.
species
1063.
species
1111.
species
1126.
species
1164.
species
1165.
species
1184.
species
1212.
species
1214.
species
1256.
species
1264.
species
1271.
species
1278.
species
1280.
species
1294.
species
1322.
species
1327.
species
1342.
species
1343.
species
1347.
species
1350.
species
1364.
species
1382.
species
1412.
species
1457.
species
1459.
species
1536.
species
1567.
species
1569.
species
1575.
species
1581.
species
1614.
species
1618.
species
1623.
species
1648.
species
1666.
species
1667.
species
1677.
species
1738.
species
1739.
species
1747.
species
1790.
species
1804.
species
1805.
species
1822.
species
1823.
species
1859.
species
1860.
species
1862.
species
1863.
species
1904.
species
1912.
species
1914.
species
1917.
species
1919.
species
1920.
species
1921.
species
1922.
species
1950.
species
1980.
species
1991.
species
2001.
species
2007.
species
2027.
species
2031.
species
2038.
species
2051.
species
2062.
species
2069.
species
2092.
species
2117.
species
2140.
species
2144.
species
2145.
species
2146.
species
2154.
species
2163.
species
2174.
species
2175.
species
2183.
species
2204.
species
2205.
species
2209.
species
2235.
species
2237.
species
2352.
species
2354.
species
2356.
species
2367.
species
2384.
species
2395.
species
2399.
species
2408.
species
2409.
species
2410.
species
2411.
species
2412.
species
2416.
species
2418.
species
2426.
species
2432.
species
2443.
species
2444.
species
2449.
species
2450.
species
2462.
species
2473.
species
2478.
species
2479.
species
2480.
species
2482.
species
2486.
species
2490.
species
2507.
species
2514.
species
2517.
species
2539.
species
2545.
species
2582.
species
2589.
species
2592.
species
2594.
species
2607.
species
2615.
species
2625.
species
2626.
species
2646.
species
2647.
species
2712.
species
2805.
species
2825.
species
2831.
species
2836.
species
2847.
species
2848.
species
2855.
species
2856.
species
2868.
species
2877.
species
2886.
species
2887.
species
2892.
species
2894.
species
2896.
species
2907.
species
2913.
species
2915.
species
2937.
species
2938.
species
2943.
species
2959.
species
2960.
species
2964.
species
2966.
species
2967.
species
2968.
species
2971.
species
2981.
species
2984.
species
2997.
species
3001.
species
3003.
species
3012.
species
3013.
species
3044.
species
3045.
species
3046.
species
3048.
species
3061.
species
3062.
species
3063.
species
3065.
species
3066.
species
3068.
species
3069.
species
3071.
species
3083.
species
3085.
species
3088.
species
3095.
species
3101.
species
3103.
species
3118.
species
3140.
species
3142.
species
3169.
species
3172.
species
3173.
species
3174.
species
3175.
species
3185.
species
3205.
species
3207.
species
3215.
species
3216.
species
3221.
species
3233.
species
3234.
species
3236.
species
3247.
species
3253.
species
3257.
species
3261.
species
3262.
species
3263.
species
3265.
species
3266.
species
3269.
species
3275.
species
3280.
species
3281.
species
3290.
species
3293.
species
3297.
species
3305.
species
3306.
species
3312.
species
3317.
species
3318.
species
3319.
species
3340.
species
3342.
species
3358.
species
3360.
species
3362.
species
3380.
species
3385.
species
3390.
species
3402.
species
3409.
species
3418.
species
3424.
species
3425.
species
3426.
species
3427.
species
3440.
species
3446.
species
3478.
species
3480.
species
3482.
species
3496.
species
3500.
species
3501.
species
3502.
species
3507.
species
3512.
species
3513.
species
3515.
species
3517.
species
3518.
species
3533.
species
3535.
species
3542.
species
3547.
species
3548.
species
3553.
species
3555.
species
3556.
species
3563.
species
3573.
species
3595.
species
3596.
species
3597.
species
3598.
species
3605.
species
3622.
species
3623.
species
3625.
species
3627.
species
3640.
species
3641.
species
3643.
species
3644.
species
3652.
species
3655.
species
3659.
species
3660.
species
3666.
species
3675.
species
3676.
species
3677.
species
3678.
species
3691.
species
3692.
species
3701.
species
3704.
species
3708.
species
3709.
species
3710.
species
3711.
species
3717.
species
3734.
species
3741.
species
3743.
species
3747.
species
3751.
species
3755.
species
3767.
species
3770.
species
3775.
species
3778.
species
3783.
species
3786.
species
3787.
species
3799.
species
3800.
species
3803.
species
3804.
species
3816.
species
3827.
species
3828.
species
3839.
species
3841.
species
3849.
species
3850.
species
3865.
species
3868.
species
3869.
species
3871.
species
3874.
species
3877.
species
3878.
species
3879.
species
3880.
species
3883.
species
3890.
species
3892.
species
3893.
species
3904.
species
3908.
species
3914.
species
3921.
species
3925.
species
3926.
species
3927.
species
3939.
species
3944.
species
3949.
species
3952.
species
3956.
species
3979.
species
3981.
species
3982.
species
3983.
species
3986.
species
3987.
species
3988.
species
3995.
species
3997.
species
3998.
species
4008.
species
4010.
species
4012.
species
4014.
species
4015.
species
4017.
species
4019.
species
4020.
species
4026.
species
4029.
species
4030.
species
4035.
species
4037.
species
4040.
species
4044.
species
4053.
species
4057.
species
4068.
species
4070.
species
4076.
species
4086.
species
4087.
species
4090.
species
4094.
species
4096.
species
4097.
species
4102.
species
4106.
species
4107.
species
4108.
species
4110.
species
4111.
species
4115.
species
4116.
species
4119.
species
4128.
species
4129.
species
4132.
species
4136.
species
4140.
species
4142.
species
4147.
species
4151.
species
4152.
species
4153.
species
4154.
species
4159.
species
4160.
species
4163.
species
4164.
species
4165.
species
4166.
species
4171.
species
4172.
species
4174.
species
4175.
species
4180.
species
4184.
species
4187.
species
4189.
species
4191.
species
4198.
species
4199.
species
4200.
species
4201.
species
4203.
species
4210.
species
4211.
species
4214.
species
4219.
species
4220.
species
4221.
species
4223.
species
4228.
species
4229.
species
4232.
species
4233.
species
4235.
species
4241.
species
4242.
species
4246.
species
4256.
species
4262.
species
4263.
species
4264.
species
4266.
species
4269.
species
4271.
species
4274.
species
4275.
species
4281.
species
4283.
species
4284.
species
4295.
species
4296.
species
4297.
species
4304.
species
4308.
species
4310.
species
4315.
species
4317.
species
4318.
species
4321.
species
4322.
species
4323.
species
4325.
species
4328.
species
4329.
species
4331.
species
4332.
species
4333.
species
4345.
species
4347.
species
4349.
species
4353.
species
4354.
species
4356.
species
4357.
species
4360.
species
4362.
species
4363.
species
4364.
species
4365.
species
4366.
species
4369.
species
4370.
species
4372.
species
4376.
species
4378.
species
4379.
species
4384.
species
4385.
species
4386.
species
4387.
species
4390.
species
4391.
species
4394.
species
4395.
species
4396.
species
4399.
species
4400.
species
4402.
species
4405.
species
4406.
species
4408.
species
4410.
species
4411.
species
4412.
species
4413.
species
4414.
species
4415.
species
4416.
species
4417.
species
4418.
species
4419.
species
4423.
species
4426.
species
4427.
species
4428.
species
4430.
species
4434.
species
4435.
species
4436.
species
4438.
species
4439.
species
4440.
species
4442.
species
4443.
species
4447.
species
4448.
species
4449.
species
4450.
species
4453.
species
4456.
species
4457.
species
4458.
species
4459.
species
4460.
species
4461.
species
4462.
species
4463.
species
4464.
species
4465.
species
4466.
species
4468.
species
4469.
species
4470.
species
4471.
species
4472.
species
4474.
species
4480.
species
4482.
species
4485.
species
4486.
species
4487.
species
4488.
species
4489.
species
4490.
species
4491.
species
4493.
species
4494.
species
4495.
species
4496.
species
4497.
species
4498.
species
4499.
species
4500.
species
4501.
species
4502.
species
4503.
species
4504.
species
4505.
species
4506.
species
4507.
species
4508.
species
4509.
species
4510.
species
4511.
species
4512.
species
4513.
species
4514.
species
4515.
species
4516.
species
4517.
species
4518.
species
4519.
species
4520.
species
4522.
species
4523.
species
4524.
species
4525.
species
4526.
species
4527.
species
4528.
species
4530.
species
4531.
species
4532.
species
4533.
species
4534.
species
4537.
species
4538.
species
4539.
species
4540.
species
4541.
species
4542.
species
4543.
species
4544.
species
4545.
species
4546.
species
4547.
species
4548.
species
4549.
species
4550.
species
4551.
species
4552.
species
4553.
species
4554.
species
4555.
species
4556.
species
4557.
species
4558.
species
4559.
species
4560.
species
4561.
species
4562.
species
4563.
species
4564.
species
4565.
species
4566.
species
4567.
species
4568.
species
4569.
species
4570.
species
4572.
species
4574.
species
4575.
species
4576.
species
4577.
species
4578.
species
4579.
species
4580.
species
4581.
species
4582.
species
4583.
species
4584.
species
4585.
species
4586.
species
4587.
species
4588.
species
4589.
species
4591.
species
4592.
species
4593.
species
4594.
species
4595.
species
4596.
species
4597.
species
4598.
species
4599.
species
4600.
species
4601.
species
4602.
species
4603.
species
4604.
species
4605.
species
4606.
species
4607.
species
4608.
species
4609.
species
4610.
species
4611.
species
4612.
species
4613.
species
4614.
species
4615.
species
4616.
species
4617.
species
4618.
species
4619.
species
4620.
species
4621.
species
4622.
species
4623.
species
4624.
species
4625.
species
4626.
species
4627.
species
4628.
species
4629.
species
4630.
species
4631.
species
4632.
species
4633.
species
4634.
species
4635.
species
4636.
species
4637.
species
4638.
species
4639.
species
4640.
species
4642.
species
4643.
species
4645.
species
4646.
species
4647.
species
4648.
species
4649.
species
4650.
species
4651.
species
4652.
species
4653.
species
4654.
species
4655.
species
4656.
species
4657.
species
4658.
species
4659.
species
4660.
species
4661.
species
4662.
species
4663.
species
4664.
species
4665.
species
4666.
species
4668.
species
4669.
species
4670.
species
4671.
species
4672.
species
4673.
species
4675.
species
4676.
species
4677.
species
4678.
species
4679.
species
4680.
species
4681.
species
4682.
species
4683.
species
4684.
species
4685.
species
4686.
species
4687.
species
4688.
species
4689.
species
4690.
species
4691.
species
4692.
species
4693.
species
4694.
species
4695.
species
4696.
species
4697.
species
4698.
species
4700.
species
4701.
species
4702.
species
4703.
species
4704.
species
4705.
species
4706.
species
4707.
species
4708.
species
4709.
species
4710.
species
4711.
species
4712.
species
4715.
species
4716.
species
4717.
species
4718.
species
4719.
species
4720.
species
4721.
species
4722.
species
4723.
species
4724.
species
4725.
species
4726.
species
4727.
species
4728.
species
4729.
species
4730.
species
4731.
species
4732.
species
4733.
species
4734.
species
4735.
species
4736.
species
4737.
species
4738.
species
4739.
species
4740.
species
4741.
species
4742.
species
4776.
species
4777.
species
4778.
species
4779.
species
4780.
species
4781.
species
4782.
species
4783.
species
4784.
species
4785.
species
4786.
species
4787.
Maranhao Hermit (unrecognized species)
Amazonian Spinetail (undescribed form)
Bahia Treehunter (undescribed form)
Tocantins Spinetail (undescribed form)
Puntarenas Screech-Owl (undescribed form)
Maranhao-Piaui Pygmy-Tyrant (undescribed form)
Mantaro Wren (undescribed form)
Orinoco Wagtail-Tyrant (undescribed form)
Cali Antpitta (undescribed form)
Mantaro Spinetail (undescribed form)
Pasco Wood-Quail (undescribed form)
Mantaro Thornbird (undescribed form)
Loreto Antwren (undescribed form)
Inirida Antshrike (undescribed form)
Yungas Woodcreeper (undescribed form)
Aripuana Antbird (undescribed form)
Inambari-Tambopata Antwren (undescribed form)
Lambayeque Tapaculo (undescribed form)
Tufted x Black-crested Titmouse (hybrid)
Western x Glaucous-winged Gull (hybrid)
Mallard x Mottled Duck (hybrid)
Muscovy Duck x Mallard (hybrid)
Mallard x Northern Pintail (hybrid)
Herring x Glaucous-winged Gull (hybrid)
Greater White-fronted x Canada Goose (hybrid)
Mallard x Mexican Duck (hybrid)
Domestic goose sp. x Canada Goose (hybrid)
Black x Eastern Phoebe (hybrid)
Brewster's Warbler (hybrid)
Townsend's x Hermit Warbler (hybrid)
Mallard x American Black Duck (hybrid)
Golden-winged x Blue-winged Warbler (hybrid)
Mourning Warbler x Common Yellowthroat (hybrid)
Graylag x Canada Goose (hybrid)
Bullock's x Baltimore Oriole (hybrid)
Nuttall's x Ladder-backed Woodpecker (hybrid)
Golden-fronted x Spectacled Redstart (hybrid)
Carolina x Black-capped Chickadee (hybrid)
Eurasian x American Wigeon (hybrid)
Lawrence's Warbler (hybrid)
Glossy x White-faced Ibis (hybrid)
Snow x Ross's Goose (hybrid)
Mallard x Hawaiian Duck (hybrid)
Red-naped x Red-breasted Sapsucker (hybrid)
Tufted Duck x scaup sp. (hybrid)
Western x Clark's Grebe (hybrid)
American x Black Oystercatcher (hybrid)
Blue-winged x Cinnamon Teal (hybrid)
Spotted x Eastern Towhee (hybrid)
Black-capped x Mountain Chickadee (hybrid)
Lazuli x Indigo Bunting (hybrid)
Yellow-bellied x Red-naped Sapsucker (hybrid)
Anna's x Costa's Hummingbird (hybrid)
Blue-winged Teal x Northern Shoveler (hybrid)
Little Blue Heron x Snowy Egret (hybrid)
MacGillivray's x Mourning Warbler (hybrid)
White x Scarlet Ibis (hybrid)
Spotted x Collared Towhee (hybrid)
Common Black x Red-shouldered Hawk (hybrid)
Swan Goose x Canada Goose (hybrid)
Red-crowned x Hoffmann's Woodpecker (hybrid)
Snowy x Little Egret (hybrid)
Altamira x Audubon's Oriole (hybrid)
Rufous x Allen's Hummingbird (hybrid)
House x Eurasian Tree Sparrow (hybrid)
Herring x Great Black-backed Gull (hybrid)
Redhead x Ring-necked Duck (hybrid)
American Wigeon x Mallard (hybrid)
Dark-eyed Junco x White-throated Sparrow (hybrid)
Red-crowned x Lilac-crowned Parrot (hybrid)
Red-shouldered x Red-tailed Hawk (hybrid)
Gadwall x Mallard (hybrid)
Greater x Lesser Prairie-Chicken (hybrid)
Tricolored x Chestnut Munia (hybrid)
Downy x Nuttall's Woodpecker (hybrid)
Snow x Canada Goose (hybrid)
Blue-winged x Green-winged Teal (hybrid)
Anna's Hummingbird x Selasphorus sp. (hybrid)
Northern x Tropical Parula (hybrid)
Rose-breasted x Black-headed Grosbeak (hybrid)
Blue-and-yellow x Scarlet Macaw (hybrid)
Canyon x Spotted Towhee (hybrid)
Sharp-tailed Grouse x Greater Prairie-Chicken (hybrid)
Canvasback x Redhead (hybrid)
White x Salmon-crested Cockatoo (hybrid)
White-crowned x Golden-crowned Sparrow (hybrid)
Townsend's x Black-throated Green Warbler (hybrid)
White-collared x Golden-collared Manakin (hybrid)
White-crowned x White-throated Sparrow (hybrid)
Northern Pintail x Green-winged Teal (hybrid)
California x Gambel's Quail (hybrid)
Downy x Hairy Woodpecker (hybrid)
Great Egret x Cocoi Heron (hybrid)
Mexican x Mottled Duck (hybrid)
Snow Goose x Brant (hybrid)
Glaucous x Glaucous-winged Gull (hybrid)
Mute x Trumpeter Swan (hybrid)
Greater White-fronted x Cackling Goose (hybrid)
Ring-necked Duck x scaup sp. (hybrid)
Wood Duck x Mallard (hybrid)
Northern Cardinal x Pyrrhuloxia (hybrid)
Kelp x Herring Gull (hybrid)
Golden-fronted x Red-bellied Woodpecker (hybrid)
Northern Shoveler x Gadwall (hybrid)
Common x Barrow's Goldeneye (hybrid)
Anna's x Rufous Hummingbird (hybrid)
Black-throated x White-throated Magpie-Jay (hybrid)
Scaled x Gambel's Quail (hybrid)
Cinnamon Teal x Northern Shoveler (hybrid)
Oriental Turtle-Dove x Eurasian Collared-Dove (hybrid)
Western Kingbird x Scissor-tailed Flycatcher (hybrid)
Herring x Glaucous Gull (hybrid)
Common Goldeneye x Hooded Merganser (hybrid)
Northern Shoveler x Mallard (hybrid)
Scarlet x Western Tanager (hybrid)
American Wigeon x Green-winged Teal (hybrid)
Bufflehead x Common Goldeneye (hybrid)
Bufflehead x goldeneye sp. (hybrid)
Tufted Duck x Greater Scaup (hybrid)
Snow/Ross's x Cackling/Canada Goose (hybrid)
Mallard x Mexican/Mottled Duck (hybrid)
Great Green x Scarlet Macaw (hybrid)
Snow x Cackling Goose (hybrid)
Snow x Greater White-fronted Goose (hybrid)
Herring x Lesser Black-backed Gull (hybrid)
Redhead x Lesser Scaup (hybrid)
Cooper's Hawk x American Goshawk (hybrid)
Herring x California Gull (hybrid)
Dunlin x White-rumped Sandpiper (hybrid)
Ring-necked Duck x Lesser Scaup (hybrid)
Canyon x Abert's Towhee (hybrid)
Gadwall x Northern Pintail (hybrid)
Tricolored Heron x Snowy Egret (hybrid)
Ross's x Cackling Goose (hybrid)
American Wigeon x Northern Pintail (hybrid)
Yellow-headed x Oriente Warbler (hybrid)
Black-bellied x Fulvous Whistling-Duck (hybrid)
Western x Flame-colored Tanager (hybrid)
House x Purple Finch (hybrid)
Laughing x Ring-billed Gull (hybrid)
Yellow-bellied/Red-naped x Red-breasted Sapsucker (hybrid)
Ring-necked Duck x Greater Scaup (hybrid)
Downy x Ladder-backed Woodpecker (hybrid)
Tufted Duck x Lesser Scaup (hybrid)
Anna's x Broad-billed Hummingbird (hybrid)
Cinnamon x Green-winged Teal (hybrid)
Black-throated Gray x Townsend's Warbler (hybrid)
Great Black-backed x Glaucous Gull (hybrid)
Magnolia x Yellow-rumped Warbler (hybrid)
Laysan x Black-footed Albatross (hybrid)
Red-tailed x Ferruginous Hawk (hybrid)
Helmeted x Swallow-tailed Manakin (hybrid)
Red-tailed x Rough-legged Hawk (hybrid)
Redhead x scaup sp. (hybrid)
Ross's x Canada Goose (hybrid)
Canvasback x Ring-necked Duck (hybrid)
Macaroni x Southern Rockhopper Penguin (hybrid)
Striated x Green Heron (hybrid)
Hooded x Common Merganser (hybrid)
Red-capped x Crimson-fronted Cardinal (hybrid)
White-barred x White-wedged Piculet (hybrid)
Western x Eastern Kingbird (hybrid)
Eurasian x African Collared-Dove (hybrid)
Barnacle x Canada Goose (hybrid)
Barnacle x Cackling Goose (hybrid)
Yellow-rumped x Townsend's Warbler (hybrid)
Greater White-fronted x Cackling/Canada Goose (hybrid)
Mallard x Green-winged Teal (hybrid)
Stripe-crowned x Olive Spinetail (hybrid)
Buff-tailed x Velvet-purple Coronet (hybrid)
Red-whiskered x Red-vented Bulbul (hybrid)
goldeneye sp. x Hooded Merganser (hybrid)
Black-headed x Ring-billed Gull (hybrid)
Fischer's x Yellow-collared Lovebird (hybrid)
Gray-crowned x Black Rosy-Finch (hybrid)
Gadwall x American Wigeon (hybrid)
Great Blue x Cocoi Heron (hybrid)
White-faced x Fulvous Whistling-Duck (hybrid)
Mountain x Mexican Chickadee (hybrid)
Golden-crowned x White-throated Sparrow (hybrid)
Bufflehead x Hooded Merganser (hybrid)
Steller's x Blue Jay (hybrid)
Northern x Gilded Flicker (hybrid)
Eurasian Collared-Dove x Mourning Dove (hybrid)
Blue-and-yellow x Red-and-green Macaw (hybrid)
Blood-colored x Little Woodpecker (hybrid)
Double-crested x Neotropic Cormorant (hybrid)
Cinnamon x Rufous-tailed Hummingbird (hybrid)
Summer x Western Tanager (hybrid)
Anna's x Allen's Hummingbird (hybrid)
Tropical x Northern Mockingbird (hybrid)
Mallard x Pacific Black Duck (hybrid)
Northern Parula x Yellow-throated Warbler (hybrid)
Song x Swamp Sparrow (hybrid)
Yellow-rumped x Hermit Warbler (hybrid)
Steller's Jay x California Scrub-Jay (hybrid)
Tropical Kingbird x Fork-tailed Flycatcher (hybrid)
Herring x Slaty-backed Gull (hybrid)
Ruby-throated x Black-chinned Hummingbird (hybrid)
Northern x Wattled Jacana (hybrid)
Broad-billed x Violet-crowned Hummingbird (hybrid)
American Redstart x Magnolia Warbler (hybrid)
Barn x Cliff Swallow (hybrid)
Glaucous-winged x Slaty-backed Gull (hybrid)
Anna's x Calliope Hummingbird (hybrid)
Lucifer x Black-chinned Hummingbird (hybrid)
Black-chinned x Broad-tailed Hummingbird (hybrid)
Black-chinned x Anna's Hummingbird (hybrid)
Bahama x Northern Mockingbird (hybrid)
Calliope x Rufous Hummingbird (hybrid)
Sandwich x Elegant Tern (hybrid)
Black-chinned x Calliope Hummingbird (hybrid)
Yellow-bellied x Red-breasted Sapsucker (hybrid)
Barn x Cave Swallow (hybrid)
Eastern x Mountain Bluebird (hybrid)
Black-chinned x Broad-billed Hummingbird (hybrid)
White-barred x Ochre-collared Piculet (hybrid)
Great Egret x Great Blue Heron (hybrid)
Colima x Virginia's Warbler (hybrid)
Common x Arctic Tern (hybrid)
Red-crowned x Red-lored Parrot (hybrid)
Thick-billed x Common Murre (hybrid)
Common x Roseate Tern (hybrid)
Northern Parula x Black-throated Gray Warbler (hybrid)
Western x Chihuahuan Meadowlark (hybrid)
Bay-breasted x Blackpoll Warbler (hybrid)
King x Clapper Rail (hybrid)
Nelson's x Saltmarsh Sparrow (hybrid)
Pine Siskin x American Goldfinch (hybrid)
Spotted x Barred Owl (hybrid)
Chipping x Clay-colored Sparrow (hybrid)
Ruddy Turnstone x White-rumped Sandpiper (hybrid)
Bay-breasted x Blackburnian Warbler (hybrid)
Greater Sage-Grouse x Sharp-tailed Grouse (hybrid)
Black-necked Stilt x American Avocet (hybrid)
Yellow-rumped x Grace's Warbler (hybrid)
White-crowned x Harris's Sparrow (hybrid)
Black-capped x White-eyed Vireo (hybrid)
King x Common Eider (hybrid)
Cape May x Magnolia Warbler (hybrid)
Black-throated Gray x Hermit Warbler (hybrid)
Steller's Jay x Woodhouse's Scrub-Jay (hybrid)
MacGillivray's Warbler x Common Yellowthroat (hybrid)
Ladder-backed x Hairy Woodpecker (hybrid)
Surf x White-winged Scoter (hybrid)
Red-billed x Black-billed Streamertail (hybrid)
Flame-rumped x Scarlet-rumped Tanager (hybrid)
Barrow's Goldeneye x Hooded Merganser (hybrid)
Trumpeter x Tundra Swan (hybrid)
Common x Great-tailed Grackle (hybrid)
Mute x Whooper Swan (hybrid)
Red-crested x Red-capped Cardinal (hybrid)
Trumpeter x Whooper Swan (hybrid)
Dark-eyed Junco x White-crowned Sparrow (hybrid)
Western x Mountain Bluebird (hybrid)
Black-throated x Gray-bellied Flowerpiercer (hybrid)
Boat-tailed x Great-tailed Grackle (hybrid)
Mallard x Ring-necked Duck (hybrid)
Tropical x Gray Kingbird (hybrid)
Hairy x White-headed Woodpecker (hybrid)
Black-chinned x Costa's Hummingbird (hybrid)
Couch's Kingbird x Scissor-tailed Flycatcher (hybrid)
Golden x Lady Amherst's Pheasant (hybrid)
Amethyst-throated x Purple-throated Sunangel (hybrid)
Yellow-throated x Blue-headed Vireo (hybrid)
House x Italian Sparrow (hybrid)
Graylag x Swan Goose (hybrid)
Brown x Blue-footed Booby (hybrid)
Yellow-breasted Chat x new world oriole sp. (hybrid)
Tennessee x Nashville Warbler (hybrid)
Buff-breasted x White-rumped Sandpiper (hybrid)
Dark-eyed x Yellow-eyed Junco (hybrid)
Lucifer x Costa's Hummingbird (hybrid)
Blue-winged Teal x American Wigeon (hybrid)
Cerulean Warbler x Northern Parula (hybrid)
Varied x Painted Bunting (hybrid)
Lapland Longspur x Snow Bunting (hybrid)
California x Crissal Thrasher (hybrid)
Grasshopper x Savannah Sparrow (hybrid)
Ross's x Greater White-fronted Goose (hybrid)
Purple-throated x White-throated Mountain-gem (hybrid)
Little Blue x Tricolored Heron (hybrid)
Curve-billed x Long-billed Thrasher (hybrid)
Gadwall x Green-winged Teal (hybrid)
Redhead x Greater Scaup (hybrid)
Indigo x Painted Bunting (hybrid)
Mountain x Chestnut-backed Chickadee (hybrid)
Northern Shoveler x American Wigeon (hybrid)
Sandhill x Common Crane (hybrid)
Rivoli's x Berylline Hummingbird (hybrid)
Common Gallinule x American Coot (hybrid)
Scarlet-rumped x Crimson-backed Tanager (hybrid)
Ruddy x Common Shelduck (hybrid)
Clay-colored x Field Sparrow (hybrid)
Kentucky Warbler x Common Yellowthroat (hybrid)
Green-tailed x Spotted Towhee (hybrid)
Northern Bobwhite x California Quail (hybrid)
Golden-bellied x Blue-throated Starfrontlet (hybrid)
Glaucous x Slaty-backed Gull (hybrid)
American Redstart x Northern Parula (hybrid)
Western x Eastern Meadowlark (hybrid)
Yellow-crowned x Black-crowned Night Heron (hybrid)
Yellow x Prairie Warbler (hybrid)
Black-chinned x Rufous Hummingbird (hybrid)
Song x Lincoln's Sparrow (hybrid)
Black x Say's Phoebe (hybrid)
Mallard x Eastern Spot-billed Duck (hybrid)
Canvasback x scaup sp. (hybrid)
Eurasian Wigeon x Northern Pintail (hybrid)
Yellow-rumped x Black-throated Green Warbler (hybrid)
Emperor x Greater White-fronted Goose (hybrid)
Red-shouldered x Broad-winged Hawk (hybrid)
Yellow x Black-throated Blue Warbler (hybrid)
Chipping x Field Sparrow (hybrid)
American Redstart x Yellow Warbler (hybrid)
Palm x Yellow-rumped Warbler (hybrid)
Costa's x Broad-billed Hummingbird (hybrid)
Western x Eastern Wood-Pewee (hybrid)
Crimson x Eastern Rosella (hybrid)
House x Fish Crow (hybrid)
Rufous x Broad-tailed Hummingbird (hybrid)
Scarlet Tanager x Rose-breasted Grosbeak (hybrid)
Summer x Scarlet Tanager (hybrid)
Magnolia x Palm Warbler (hybrid)
Emperor x Cackling Goose (hybrid)
Ring-necked x Green Pheasant (hybrid)
Amazonian x Rufous-capped Motmot (hybrid)
Lesser x American Goldfinch (hybrid)
Cape May x Yellow-rumped Warbler (hybrid)
Bullock's x Black-backed Oriole (hybrid)
Golden-crowned x Flavescent Warbler (hybrid)
Wood Duck x Hooded Merganser (hybrid)
Chestnut-sided x Black-throated Blue Warbler (hybrid)
Hoffmann's x Golden-fronted Woodpecker (hybrid)
American Wigeon x American Black Duck (hybrid)
Ring-necked x Tufted Duck (hybrid)
Northern Bobwhite x Scaled Quail (hybrid)
Spectacled x King Eider (hybrid)
Snow x McKay's Bunting (hybrid)
Cliff x Cave Swallow (hybrid)
Yellow-rumped x Yellow-throated Warbler (hybrid)
Red-gartered x Slate-colored Coot (hybrid)
Western x Eastern Screech-Owl (hybrid)
Common x Hoary Redpoll (hybrid)
White-throated x Red-throated Piping-Guan (hybrid)
Hooded x Yellow Warbler (hybrid)
Yellow-rumped x Black-throated Gray Warbler (hybrid)
Peregrine x Prairie Falcon (hybrid)
Red Knot x Surfbird (hybrid)
Mallard x Redhead (hybrid)
Painted x Slate-throated Redstart (hybrid)
Calliope x Broad-tailed Hummingbird (hybrid)
Warbling x Red-eyed Vireo (hybrid)
Lineated x Black-bodied Woodpecker (hybrid)
White-winged x Yellow-chevroned Parakeet (hybrid)
Black-bellied x West Indian Whistling-Duck (hybrid)
Black-necked x Black-winged Stilt (hybrid)
Couch's x Western Kingbird (hybrid)
Sandhill x Whooping Crane (hybrid)
Orange-crowned x Nashville Warbler (hybrid)
Clay-colored x Brewer's Sparrow (hybrid)
Ruby-throated x Broad-tailed Hummingbird (hybrid)
Blue-winged x Prairie Warbler (hybrid)
Magnolia x Chestnut-sided Warbler (hybrid)
Black-crowned x Gray-crowned Palm-Tanager (hybrid)
Brant x Cackling Goose (hybrid)
Nashville x Magnolia Warbler (hybrid)
Magnolia x Black-throated Blue Warbler (hybrid)
Common Yellowthroat x Rufous-capped Warbler (hybrid)
Dusky x Sharp-tailed Grouse (hybrid)
Red Crossbill x Pine Siskin (hybrid)
Great Knot x Surfbird (hybrid)
Violet-green x Northern Rough-winged Swallow (hybrid)
Gray-hooded x Laughing Gull (hybrid)
Peruvian Sheartail x Chilean Woodstar (hybrid)
Lucifer x Anna's Hummingbird (hybrid)
Tree x Violet-green Swallow (hybrid)
Violet-green x Cliff Swallow (hybrid)
Rivoli's x White-eared Hummingbird (hybrid)
Philadelphia x Red-eyed Vireo (hybrid)
Veery x Bicknell's Thrush (hybrid)
White-rumped x Pectoral Sandpiper (hybrid)
Grace's x Black-throated Gray Warbler (hybrid)
Common Yellowthroat x Yellow Warbler (hybrid)
Gray-crowned x Common Yellowthroat (hybrid)
Brewer's Blackbird x Great-tailed Grackle (hybrid)
Hepatic x Flame-colored Tanager (hybrid)
Swainson's x Rough-legged Hawk (hybrid)
Herring x Iceland Gull (hybrid)
Black-tailed x Black-capped Gnatcatcher (hybrid)
Mountain x Boreal Chickadee (hybrid)
Tree x Barn Swallow (hybrid)
Wood x Mandarin Duck (hybrid)
Nuttall's x Hairy Woodpecker (hybrid)
Curlew x Pectoral Sandpiper (hybrid)
new world warbler sp.
Lesser/Greater Yellowlegs
Western/Semipalmated Sandpiper
new world oriole sp.
Great/Double-crested Cormorant
Alder/Willow Flycatcher (Traill's Flycatcher)
shorebird sp.
Yellow-billed/Black-billed Cuckoo
Double-crested/Neotropic Cormorant
Mallard/American Black Duck
woodpecker sp.
Philadelphia/Warbling Vireo
Sharp-shinned/Cooper's Hawk
Domestic goose sp. (Domestic type)
Mallard/Mottled Duck
Accipiter sp.
Golden-winged/Blue-winged Warbler
Rufous/Allen's Hummingbird
Short-billed/Long-billed Dowitcher
new world vulture sp.
Surf/Black Scoter
Ruby-throated/Black-chinned Hummingbird
Black-throated Gray/Townsend's Warbler
Carolina/Black-capped Chickadee
Blue-winged/Cinnamon Teal
Western/Glaucous-winged Gull
Tree/Violet-green Swallow
Black-and-white/Cryptic Becard
new world martin sp. (Progne sp.)
Common/Red-breasted Merganser
Red-whiskered/Red-vented Bulbul
Western/Eastern Meadowlark
Hammond's/Dusky Flycatcher
large shorebird sp.
Louisiana/Northern Waterthrush
Downy/Ladder-backed Woodpecker
Philadelphia/Red-eyed Vireo
Red-shouldered/Broad-winged Hawk
Western/Eastern Wood-Pewee
Mallard/Mexican Duck
phalarope sp.
Acanthis/Spinus sp.
Cassin's/Western Kingbird
Townsend's/Hermit Warbler
Parasitic/Pomarine Jaeger
Bronzed/Brown-headed Cowbird
Red-winged/Tricolored Blackbird
gull/tern sp.
Red-naped/Red-breasted Sapsucker
Herring/Glaucous-winged Gull
Western/Chihuahuan Meadowlark
Common/Barrow's Goldeneye
Tufted/Black-crested Titmouse
Bullock's/Baltimore Oriole
Northern Cardinal/Pyrrhuloxia
Ruby-crowned/Golden-crowned Kinglet
Curve-billed/Bendire's Thrasher
House/Purple Finch
Tropical/Couch's Kingbird
House/Eurasian Tree Sparrow
elaenia sp. (genus Elaenia)
Black-bellied Plover/golden-plover sp.
Passerina sp.
Nuttall's/Ladder-backed Woodpecker
American/Pacific Golden-Plover (Lesser Golden-Plover)
Cordilleran/Mitred Parakeet
Yellow-crowned/Black-crowned Night Heron
procellariid sp.
Rose-breasted/Black-headed Grosbeak
Anna's/Costa's Hummingbird
large swift sp.
yellow-bellied kingbird sp.
Rusty-margined/Social Flycatcher
Spotted/Eastern Towhee (Rufous-sided Towhee)
Bay-breasted/Blackpoll Warbler
pewee sp. (Contopus sp.)
Ochre-backed/Blond-crested Woodpecker
Scolopacidae sp.
Yellow-bellied/Red-naped Sapsucker
Cooper's Hawk/American Goshawk
California/Woodhouse's Scrub-Jay
screech-owl sp.
Black-legged/Red-legged Kittiwake
Southern/Northern Giant-Petrel
Gray-cheeked/Bicknell's Thrush
Golden-fronted/Red-bellied Woodpecker
Boat-tailed/Great-tailed Grackle
Thick-billed/Common Murre
Blue-capped/Lesson's Motmot
Loggerhead/Northern Shrike
California/Gambel's Quail
Spizella sp./American Tree Sparrow
Eurasian/African Collared-Dove
small plover sp.
Warbling/Ticking Doradito
Red-crowned/Lilac-crowned Parrot
Black-capped/Mountain Chickadee
Guira/Rufous-headed Tanager
Buff-bellied/Rufous-tailed Hummingbird
Tyrannus sp.
Green/Pacific Parakeet
Olive-faced/Ochre-lored Flatbill
tanager sp. (Piranga sp.)
merganser sp.
Campephilus sp./Lineated Woodpecker
Smooth-billed/Groove-billed Ani
oropendola sp.
new world trogon sp.
skua sp.
Sporophila sp.
Setophaga sp.
Sooty/Short-tailed Shearwater
Eastern/Chihuahuan Meadowlark
nightjar sp.
Black-tailed/Green-tailed Trainbearer
Blue-throated/White-throated Piping-Guan
Chipping Sparrow/Worm-eating Warbler
Herring/Lesser Black-backed Gull
Nelson's/Saltmarsh Sparrow (Sharp-tailed Sparrow)
moorhen/coot/gallinule sp.
sparrow/warbler sp. (trilling song)
Austral/Slender-billed Parakeet
Mitred/Red-masked Parakeet
Pantanal/Magellanic Snipe
Selasphorus sp.
diving-petrel sp.
Golden-headed/Crested Quetzal
Northern/Tropical Parula
Charadrius sp.
MacGillivray's/Mourning Warbler
White-crested/Straneck's Tyrannulet
solitary vireo sp.
shearwater sp.
Tolmomyias sp.
American Three-toed/Black-backed Woodpecker
Long-eared/Short-eared Owl
White-winged/Yellow-chevroned Parakeet
Brotogeris sp.
Tropical/Northern Mockingbird
White-rumped/Chilean Swallow
yellow-finch sp.
Masked/Red-capped Cardinal
Yellow-billed Pintail/Yellow-billed Teal
Russet-naped/Gray-cowled Wood-Rail
Sparkling/Lesser Violetear
Small-billed/White-crested Elaenia
longspur sp.
Mexican/Mottled Duck
Common/Antillean Nighthawk
Olive-gray/Bluish-gray Saltator
Cyanocorax sp.
Myioborus sp.
Varied Thrush/American Robin
Furnariid sp.
Ramphocelus sp.
Procellaria sp.
tanager sp. (Thraupidae sp.)
storm-petrel sp. (white-rumped)
Brown-hooded/Gray-hooded Gull
Gray/Gray-lined Hawk
Oceanites sp.
flamingo sp.
albatross sp.
Riccordia/Cynanthus/Chlorostilbon sp.
Black-billed/Yellow-billed Parrot
Tangara/Stilpnia sp.
White-barred/Ochre-collared Piculet
Crypturellus sp.
Ferruginous/Austral Pygmy-Owl
Black-faced/Andean Ibis
Plain-winged/Mouse-colored Antshrike
Orchard/Hooded Oriole
White-throated/Red-throated Piping-Guan
Western/Eastern Cattle Egret
Lonchura sp.
Russet-throated/Two-banded Puffbird
Plumbeous/Ruddy Pigeon
Violet-capped/Fork-tailed Woodnymph
Tumbes/Marañon Tyrannulet
large parakeet sp. (former Aratinga sp.)
Northern/Southern Mouse-colored Tyrannulet
small tanager sp. (former Tangara sp.)
cuckoo sp. (Cuculidae sp.)
Orange-eyed/Orange-breasted Thornbird
Northern/Southern Rough-winged Swallow
Azara's/Apurimac Spinetail
Red-billed/Black-billed Streamertail
Broad-billed/Narrow-billed Tody
Streaked/Sulphur-bellied Flycatcher
Purple-throated/White-throated Mountain-gem
White-barred/White-wedged Piculet
Barred/Lined Forest-Falcon
Long-tailed/Parasitic Jaeger
Little/Least Tern
Pterodroma sp.
Ring-necked/Green Pheasant
Oak/Juniper Titmouse (Plain Titmouse)
Black-throated Gray/Hermit Warbler
Scarlet/Red-and-green Macaw
Cassin's/Blue-headed Vireo
Thalasseus sp.
golden-plover sp.
Rufous-sided/Red-and-white Crake
White-crowned/White-throated Sparrow
Common Ringed/Semipalmated Plover
Bullock's/Black-backed Oriole
White-throated/Tropical Kingbird
Greater/Lesser Prairie-Chicken
vireo sp. (Red-eyed Vireo complex)
Dark-eyed Junco/Pine Warbler
hawaiian honeycreeper sp.
scythebill sp.
Brown/Long-billed Thrasher
Hudsonian/Marbled Godwit
towhee sp.
Scaly-breasted/Pearly-eyed Thrasher
Straight-billed/Zimmer's Woodcreeper
Russet/Ruddy-capped Nightingale-Thrush
Leach's/Townsend's/Ainley's Storm-Petrel
Sagebrush/Bell's Sparrow (Sage Sparrow)
Thraupidae sp.
Gull-billed/Australian Tern
Cookilaria petrel sp.
American/Black Oystercatcher
Dark-eyed/Yellow-eyed Junco
black-and-white shearwater sp.
tropical pewee sp.
Ash-throated/Nutting's Flycatcher
Botteri's/Cassin's Sparrow
White-winged/Stejneger's Scoter
Common/Yellow-billed Loon
Podiceps sp.
Slender-billed/Streaked Xenops
White-bellied/Green-and-white Hummingbird
Long-billed/Plain-capped Starthroat
Streptopelia sp.
Long-billed/Long-tailed Hermit
Red/Cassia Crossbill
Antrostomus sp.
elaenia sp. (genus Myiopagis)
thornbird sp.
Yellow-casqued/Black-casqued Hornbill
Passer sp.
Olive/Green-backed Sparrow
estrildid finch sp.
antshrike sp.
Glaucous-blue/Ultramarine Grosbeak
Yellow-footed/Western Gull
doradito sp.
eclectus sp.
Scripps's/Guadalupe/Craveri's Murrelet
Eastern/Mexican Whip-poor-will
Aulacorhynchus sp.
storm-petrel sp. (dark-rumped)
King/Common Eider
Black/Markham's Storm-Petrel
Juan Fernandez/White-necked Petrel
myna/starling sp.
large albatross sp.
corella/white cockatoo sp.
Pheucticus sp.
Northern/Southern Royal Albatross
Pacific/Winter Wren
Snowy/Tristan/Antipodean Albatross
Violet-crowned/Green-fronted Hummingbird
Lesser/Greater Roadrunner
Mississippi/Plumbeous Kite
Keel-billed/Broad-billed Motmot
Leach's/Townsend's Storm-Petrel (dark-rumped)
American Black/Mottled Duck
Dendrocolaptes sp.
Grasshopper/Baird's Sparrow
Cory's/Cape Verde Shearwater
Hoffmann's/Golden-fronted Woodpecker
Ridgway's/Mangrove/Clapper Rail
Garganey/Green-winged Teal
White-capped/Salvin's/Chatham Albatross
wood-wren sp.
Geranoaetus/Buteo sp.
Middle American/South American Leaftosser
Eurasian Moorhen/Common Gallinule
Squirrel/Black-bellied Cuckoo
Tricolored/Chestnut Munia
Gray-breasted/Southern Martin
blue cotinga sp.
Morelet's/Cinnamon-rumped Seedeater
Domestic lovebird sp. (Domestic type)
Scripps's/Guadalupe Murrelet (Xantus's Murrelet)
Scripps's/Craveri's Murrelet
Black-throated/White-throated Magpie-Jay
Broad-billed/Turquoise-crowned Hummingbird
Gray-tailed/Wandering Tattler
greenlet sp.
pheasant sp.
antvireo sp.
Great Blue/Cocoi Heron
Sulphur-rumped/Black-tailed Flycatcher
Yellow-bellied/Dubois's Seedeater
Reddish/White-browed Hermit
Eurasian/American Goshawk
oystercatcher sp.
masked yellowthroat sp.
Mourning/Zenaida Dove
Streak-necked/Olive-striped Flycatcher
Haliaeetus/Icthyophaga sp.
Long-billed/Chattering Gnatwren
Myrmotherula sp.
Lucifer/Beautiful Hummingbird
White-barred/Ocellated Piculet
Yellow-chinned/Red-and-white Spinetail
Black-and-chestnut/Black-and-rufous Warbling Finch
Arctic/Pacific Loon
Fawn-throated/Ochre-throated Foliage-gleaner
Boreal/Northern Saw-whet Owl
Ochre-bellied/McConnell's Flycatcher
White-winged/Hudson's Black-Tyrant
Common/Short-billed Gull
Oreotrochilus sp.
Rufous-rumped/Chestnut Seedeater
American/Greater Flamingo
Hemithraupis sp.
Yungas/Chaco Sparrow
Little/Red-stained Woodpecker
Myiothlypis sp.
Burhinus sp.
Connecticut/MacGillivray's/Mourning Warbler
Gray/Slate-colored Seedeater
Ruddy/White-throated Crake
Leach's/Townsend's Storm-Petrel
pygmy-owl/saw-whet owl sp.
Dusky/Broad-billed Hummingbird
Nesotriccus sp.
Chestnut-tailed/Zimmer's Antbird
Yellow-billed/Pearly-breasted Cuckoo
Patagonian/Chalk-browed Mockingbird
Bran-colored/Mouse-gray Flycatcher
Scarlet-fronted/Cordilleran Parakeet
Snow/McKay's Bunting
Cory's/Great Shearwater
Andean/White-sided Hillstar
Saucerottia sp.
Western Cattle/Yellow-billed Egret
Atlantic/Indian Yellow-nosed Albatross
Sharp-tailed/Pectoral Sandpiper
Clay-colored/Brewer's Sparrow
Red-eyed/Yellow-green Vireo
LeConte's/Nelson's Sparrow
Geranoaetus sp.
Northern/Southern White-fringed Antwren
Automolus sp.
Common/Spotted Sandpiper
Purple/Rock Sandpiper
Bicolored/Chilean Hawk
Shiny/Brown-headed Cowbird
Cantorchilus sp.
Gray-capped/Dusky-chested Flycatcher
Anairetes sp.
warbling finch sp.
Whiskered/Black-tailed Flycatcher
Leach's/Townsend's Storm-Petrel (white-rumped)
Hen/Northern Harrier
neotropical Strix sp.
Pallas's/Reed Bunting
Theristicus sp.
Western/Eastern Olivaceous Flatbill
Phylloscopus sp.
conebill sp.
Long-tailed/Pomarine Jaeger
Cracidae sp.
Red-necked/Little Stint
sand-plover sp.
Mexican/Transvolcanic Jay
Psittacula sp.
stripe-headed brushfinch sp.
Spotted/Barred Owl
Common/Oriental Cuckoo
Taiga/Tundra Bean-Goose
Euplectes sp.
Emberiza sp.
old world quail sp.
small bittern sp.
antpitta sp. (Rufous/Chestnut Antpitta complex)
Poecilotriccus sp.
Paroaria sp.
Red-eyed/Black-whiskered Vireo
Peruvian/Rufous-booted Racket-tail
Yellow-throated/Short-billed Chlorospingus
Common/Black Scoter
Guatemalan/Mistletoe Tyrannulet
curassow sp.
Blue-black/Amazonian Grosbeak
Oriental/Eurasian Magpie
Galapagos/Hawaiian Petrel (Dark-rumped Petrel)
Little/Subantarctic Shearwater
Puna/Short-billed Pipit
scrub-flycatcher sp.
helmetcrest sp.
whydah sp.
Caribbean/Sinaloa Martin
antthrush sp.
Curve-billed/Straight-billed Reedhaunter
Grasshopper/Henslow's Sparrow
Chlidonias sp.
Shining/Red-legged Honeycreeper
Wedge-tailed/Lesser Grass-Finch
spadebill sp.
lapwing sp.
old world warbler sp.
Tundra/Whooper Swan
stilt/avocet sp.
lovebird sp.
Cuban/Caribbean/Sinaloa Martin (Snowy-bellied Martin)
Rufous-capped/Chestnut-capped Warbler
thorntail/coquette sp.
Red-billed/Red-tailed Tropicbird
Zosterops sp.
Greater/Lesser White-fronted Goose
Cinnycerthia sp.
Dusky/Turquoise-crowned Hummingbird
Dryocopus sp.
Sternula sp.
swamphen sp.
Tree/Olive-backed Pipit
Red-legged/Rock Partridge
Black-throated Gray/Townsend's/Hermit Warbler
Hydrobates sp. (Band-rumped complex)
Northern/Wattled Jacana
trumpeter sp.
Ruddy/Short-billed Pigeon
Thrush-like/Tepui Antpitta
Velvet/White-winged/Stejneger's Scoter
Great/Medium Egret
Yellow-browed/Hume's Warbler
Suiriri/Chapada Flycatcher
Yellow-legged/Lesser Black-backed Gull
Common/Rain Quail
Japanese Leaf/Arctic/Kamchatka Leaf Warbler
Bank Swallow/Pale Martin
Arctic/Kamchatka Leaf Warbler
Gray-streaked/Dark-sided Flycatcher
Fischer's/Yellow-collared Lovebird
Far Eastern/Eurasian Curlew
Rufous-browed/Black-billed Peppershrike
Red-shouldered/Tawny-shouldered Blackbird
Rock/Hill Pigeon
white-eye sp.
Philydor sp.
Lepidothrix sp.
Drymophila sp.
Rhynchocyclus sp.
Jelski's/Plumbeous Black-Tyrant
Northern/Great Gray Shrike
Ixothraupis sp. (speckled tanager sp.)
Chlorothraupis sp.
paradise-whydah sp.
Blackish/Riparian Antbird
Eurasian/Burmese Collared-Dove
Venezuelan/Panama Flycatcher
Ploceus sp.
Andean/Yellow-billed Teal
Anabacerthia sp.
waxbill sp.
Guianan/Amazonian Trogon
Vidua sp.
Flame-crested/Fulvous-crested Tanager
Euchrepomis sp.
cordonbleu sp.
White-throated/Geoffroy's Daggerbill
Barred/Plumbeous Forest-Falcon
Greater/Gunnison Sage-Grouse
White-edged/Yellow-tailed Oriole
Myiophobus sp.
Ramphotrigon sp.
Western/Eastern Yellow Wagtail
Trindade/Herald Petrel
Cryptic Treehunter/Alagoas Foliage-gleaner
Bucconidae sp.
Eurasian/Oriental Skylark
McConnell's/Sierra de Lema Flycatcher
Siberian/Amur Stonechat
Red/Black Kite
Brown/Gray Trembler
Dusky/Naumann's Thrush
Snowy/Kentish Plover
rainbow lorikeet sp.
Timaliidae sp.
hornbill sp.
Whimbrel/Eurasian Curlew