species
37.
species
100.
species
101.
species
110.
species
167.
species
191.
species
193.
species
195.
species
208.
species
209.
species
210.
species
211.
species
212.
species
213.
species
215.
species
217.
species
236.
species
246.
species
247.
species
248.
species
249.
species
250.
species
251.
species
252.
species
253.
species
254.
species
255.
species
256.
species
257.
species
325.
species
364.
species
365.
species
366.
species
367.
species
368.
species
369.
species
371.
species
372.
species
375.
species
376.
species
377.
species
379.
species
380.
species
381.
species
382.
species
389.
species
409.
species
455.
species
499.
species
527.
species
530.
species
532.
species
533.
species
543.
species
545.
species
546.
species
547.
species
548.
species
549.
species
551.
species
552.
species
553.
species
554.
species
555.
species
557.
species
558.
species
559.
species
561.
species
562.
species
563.
species
564.
species
574.
species
576.
species
577.
species
578.
species
610.
species
616.
species
632.
species
633.
species
774.
species
776.
species
853.
species
855.
species
869.
species
870.
species
875.
species
876.
species
883.
species
885.
species
886.
species
919.
species
926.
species
967.
species
968.
species
991.
species
1012.
species
1013.
species
1016.
species
1019.
species
1057.
species
1061.
species
1066.
species
1071.
species
1078.
species
1099.
species
1111.
species
1114.
species
1118.
species
1131.
species
1139.
species
1140.
species
1144.
species
1145.
species
1147.
species
1159.
species
1165.
species
1169.
species
1171.
species
1173.
species
1180.
species
1183.
species
1188.
species
1189.
species
1192.
species
1225.
species
1230.
species
1232.
species
1289.
species
1303.
species
1304.
species
1307.
species
1308.
species
1311.
species
1370.
species
1376.
species
1379.
species
1385.
species
1386.
species
1387.
species
1389.
species
1390.
species
1412.
species
1414.
species
1421.
species
1422.
species
1436.
species
1439.
species
1442.
species
1443.
species
1446.
species
1451.
species
1469.
species
1473.
species
1474.
species
1484.
species
1490.
species
1494.
species
1520.
species
1524.
species
1545.
species
1575.
species
1580.
species
1585.
species
1587.
species
1594.
species
1603.
species
1606.
species
1608.
species
1615.
species
1643.
species
1658.
species
1659.
species
1683.
species
1688.
species
1690.
species
1697.
species
1704.
species
1705.
species
1711.
species
1725.
species
1766.
species
1770.
species
1773.
species
1776.
species
1778.
species
1803.
species
1805.
species
1807.
species
1809.
species
1813.
species
1819.
species
1822.
species
1829.
species
1835.
species
1843.
species
1848.
species
1853.
species
1862.
species
1869.
species
1870.
species
1872.
species
1875.
species
1878.
species
1882.
species
1888.
species
1896.
species
1906.
species
1909.
species
1919.
species
1926.
species
1930.
species
1932.
species
1962.
species
1977.
species
1992.
species
1993.
species
1999.
species
2002.
species
2015.
species
2031.
species
2032.
species
2033.
species
2035.
species
2036.
species
2037.
species
2038.
species
2041.
species
2042.
species
2076.
species
2079.
species
2086.
species
2090.
species
2102.
species
2117.
species
2137.
species
2139.
species
2146.
species
2161.
species
2173.
species
2177.
species
2195.
species
2214.
species
2216.
species
2227.
species
2240.
species
2249.
species
2258.
species
2262.
species
2264.
species
2272.
species
2287.
species
2294.
species
2295.
species
2299.
species
2308.
species
2318.
species
2321.
species
2322.
species
2347.
species
2359.
species
2390.
species
2393.
species
2411.
species
2413.
species
2414.
species
2420.
species
2423.
species
2429.
species
2438.
species
2442.
species
2458.
species
2461.
species
2462.
species
2464.
species
2465.
species
2479.
species
2484.
species
2506.
species
2512.
species
2514.
species
2520.
species
2521.
species
2540.
species
2568.
species
2571.
species
2574.
species
2577.
species
2582.
species
2585.
species
2586.
species
2587.
species
2591.
species
2592.
species
2593.
species
2602.
species
2610.
species
2612.
species
2616.
species
2624.
species
2637.
species
2638.
species
2645.
species
2660.
species
2674.
species
2681.
species
2688.
species
2691.
species
2693.
species
2694.
species
2696.
species
2699.
species
2704.
species
2706.
species
2708.
species
2714.
species
2724.
species
2725.
species
2735.
species
2757.
species
2777.
species
2783.
species
2793.
species
2807.
species
2818.
species
2820.
species
2848.
species
2855.
species
2864.
species
2877.
species
2878.
species
2904.
species
2914.
species
2918.
species
2922.
species
2926.
species
2939.
species
2946.
species
2947.
species
2963.
species
2964.
species
2966.
species
2977.
species
2991.
species
2992.
species
2993.
species
2999.
species
3002.
species
3009.
species
3015.
species
3030.
species
3034.
species
3038.
species
3039.
species
3040.
species
3042.
species
3048.
species
3049.
species
3053.
species
3054.
species
3061.
species
3069.
species
3071.
species
3072.
species
3087.
species
3094.
species
3099.
species
3107.
species
3109.
species
3110.
species
3111.
species
3114.
species
3122.
species
3123.
species
3136.
species
3140.
species
3157.
species
3158.
species
3159.
species
3161.
species
3163.
species
3164.
species
3179.
species
3183.
species
3209.
species
3217.
species
3219.
species
3222.
species
3227.
species
3247.
species
3249.
species
3262.
species
3263.
species
3264.
species
3265.
species
3267.
species
3280.
species
3281.
species
3283.
species
3289.
species
3291.
species
3294.
species
3301.
species
3303.
species
3304.
species
3309.
species
3312.
species
3322.
species
3326.
species
3331.
species
3334.
species
3335.
species
3349.
species
3357.
species
3364.
species
3367.
species
3369.
species
3371.
species
3376.
species
3378.
species
3391.
species
3392.
species
3395.
species
3396.
species
3400.
species
3403.
species
3415.
species
3417.
species
3418.
species
3427.
species
3433.
species
3436.
species
3439.
species
3440.
species
3441.
species
3442.
species
3446.
species
3450.
species
3459.
species
3476.
species
3477.
species
3478.
species
3485.
species
3486.
species
3492.
species
3494.
species
3502.
species
3505.
species
3511.
species
3520.
species
3521.
species
3522.
species
3523.
species
3527.
species
3530.
species
3534.
species
3549.
species
3550.
species
3551.
species
3559.
species
3564.
species
3567.
species
3570.
species
3575.
species
3576.
species
3577.
species
3578.
species
3583.
species
3588.
species
3589.
species
3593.
species
3595.
species
3599.
species
3607.
species
3612.
species
3616.
species
3620.
species
3621.
species
3626.
species
3629.
species
3631.
species
3635.
species
3639.
species
3649.
species
3651.
species
3652.
species
3654.
species
3657.
species
3659.
species
3663.
species
3671.
species
3672.
species
3673.
species
3674.
species
3675.
species
3676.
species
3677.
species
3680.
species
3690.
species
3691.
species
3698.
species
3704.
species
3724.
species
3725.
species
3726.
species
3730.
species
3736.
species
3749.
species
3751.
species
3752.
species
3756.
species
3757.
species
3758.
species
3764.
species
3766.
species
3769.
species
3773.
species
3776.
species
3779.
species
3780.
species
3783.
species
3794.
species
3796.
species
3801.
species
3803.
species
3804.
species
3805.
species
3807.
species
3837.
species
3838.
species
3841.
species
3848.
species
3851.
species
3854.
species
3872.
species
3873.
species
3875.
species
3876.
species
3877.
species
3878.
species
3882.
species
3912.
species
3913.
species
3914.
species
3916.
Puntarenas Screech-Owl (undescribed form)
Maranhao Hermit (unrecognized species)
Eurasian x American Wigeon (hybrid)
Mallard x Mottled Duck (hybrid)
Western x Glaucous-winged Gull (hybrid)
Mallard x Mexican Duck (hybrid)
Mallard x American Black Duck (hybrid)
Mallard x Hawaiian Duck (hybrid)
Muscovy Duck x Mallard (hybrid)
Tufted x Black-crested Titmouse (hybrid)
Domestic goose sp. x Canada Goose (hybrid)
Herring x Glaucous-winged Gull (hybrid)
Lawrence's Warbler (hybrid)
Western x Clark's Grebe (hybrid)
Glossy x White-faced Ibis (hybrid)
Eurasian x African Collared-Dove (hybrid)
Red-crowned x Hoffmann's Woodpecker (hybrid)
White-collared x Golden-collared Manakin (hybrid)
Snow x Ross's Goose (hybrid)
Golden-fronted x Spectacled Redstart (hybrid)
Western Kingbird x Scissor-tailed Flycatcher (hybrid)
Brewster's Warbler (hybrid)
Graylag x Swan Goose (hybrid)
White-crowned x Golden-crowned Sparrow (hybrid)
Townsend's x Hermit Warbler (hybrid)
Herring x Glaucous Gull (hybrid)
Carolina x Black-capped Chickadee (hybrid)
Swan Goose x Canada Goose (hybrid)
Golden-winged x Blue-winged Warbler (hybrid)
Spotted x Collared Towhee (hybrid)
Red-naped x Red-breasted Sapsucker (hybrid)
Lazuli x Indigo Bunting (hybrid)
American Wigeon x Mallard (hybrid)
Altamira x Audubon's Oriole (hybrid)
Yellow x Prairie Warbler (hybrid)
White x Scarlet Ibis (hybrid)
Redhead x Lesser Scaup (hybrid)
passerine sp.
Tree/Violet-green Swallow
Sharp-shinned/Cooper's Hawk
new world warbler sp.
White-crowned/White-throated Sparrow
Smooth-billed/Groove-billed Ani
Riccordia/Cynanthus/Chlorostilbon sp.
Short-billed/Long-billed Dowitcher
blackbird sp.
euphonia sp.
Common/Barrow's Goldeneye
Lazuli/Indigo Bunting
Yellow-crowned/Black-crowned Night Heron
large parakeet sp. (former Aratinga sp.)
Guira/Rufous-headed Tanager
gull/tern sp.
white egret sp.
Glossy/White-faced Ibis
Mallard/American Black Duck
Domestic goose sp. (Domestic type)
white-winged gull sp.
Lesser/Greater Yellowlegs
nighthawk sp.
Western/Glaucous-winged Gull
Calidris sp.
Black-bellied Plover/golden-plover sp.
Rufous/Allen's Hummingbird
Carolina/Black-capped Chickadee
Upucerthia sp.
Mallard/Mexican Duck
Tufted/Black-crested Titmouse
Louisiana/Northern Waterthrush
Western/Eastern Wood-Pewee
Common/Red-breasted Merganser
Spizella sp./American Tree Sparrow
Black-throated Gray/Townsend's Warbler
Tropical/Couch's Kingbird
Ruby-throated/Black-chinned Hummingbird
Blue-winged/Cinnamon Teal
Boat-tailed/Great-tailed Grackle
Mitred/Red-masked Parakeet
Trumpeter/Tundra Swan
Western/Chihuahuan Meadowlark
small falcon sp.
Alder/Willow Flycatcher (Traill's Flycatcher)
Cackling/Canada Goose
Double-crested/Neotropic Cormorant
Cassin's/Western Kingbird
Gray-cheeked/Bicknell's Thrush
Morelet's/Cinnamon-rumped Seedeater
Hammond's/Dusky Flycatcher
yellow-bellied kingbird sp.
Anna's/Costa's Hummingbird
Western/Eastern Meadowlark
Snow/Ross's Goose
Russet-naped/Gray-cowled Wood-Rail
Western/Semipalmated Sandpiper
sapsucker sp.
Rusty-margined/Social Flycatcher
Nuttall's/Ladder-backed Woodpecker
Pantanal/Magellanic Snipe
Yellow-billed/Black-billed Cuckoo
cinclodes sp.
new world martin sp. (Progne sp.)
Philadelphia/Warbling Vireo
Southern/Northern Giant-Petrel
elaenia sp. (genus Elaenia)
Rose-breasted/Black-headed Grosbeak
Herring/Glaucous-winged Gull
Bronzed/Brown-headed Cowbird
Northern/Southern Mouse-colored Tyrannulet
Ruby-crowned/Golden-crowned Kinglet
Golden-winged/Blue-winged Warbler
Townsend's/Hermit Warbler
Red-winged/Tricolored Blackbird
Curve-billed/Bendire's Thrasher
Eurasian/African Collared-Dove
tanager sp. (Piranga sp.)
Spotted/Eastern Towhee (Rufous-sided Towhee)
Coccyzus sp.
Tyrannus sp.
small tanager sp. (former Tangara sp.)
Black-capped/Mountain Chickadee
frigatebird sp.
large tern sp.
Oak/Juniper Titmouse (Plain Titmouse)
Bay-breasted/Blackpoll Warbler
Cranioleuca sp.
Purple-throated/White-throated Mountain-gem
yellow-finch sp.
Northern/Southern White-fringed Antwren
Podiceps sp.
Parasitic/Pomarine Jaeger
Northern Cardinal/Pyrrhuloxia
California/Woodhouse's Scrub-Jay
Northern/Southern Royal Albatross
longspur sp.
Common/Wilson's Snipe
waterfowl sp.
canastero sp.
Summer/Scarlet Tanager
American/Fish Crow
Golden-fronted/Red-bellied Woodpecker
White-crested/Straneck's Tyrannulet
Sagebrush/Bell's Sparrow (Sage Sparrow)
Cypseloides sp.
moorhen/coot/gallinule sp.
new world goldfinch sp.
White-barred/Ocellated Piculet
California/Gambel's Quail
Black-and-white/Cryptic Becard
Yellow-bellied/Red-naped Sapsucker
Middle American/South American Leaftosser
new world piculet sp.
Setophaga sp.
Red-shouldered/Broad-winged Hawk
tanager sp. (Thraupidae sp.)
Sparkling/Lesser Violetear
Small-billed/White-crested Elaenia
phoebe sp.
Bullock's/Baltimore Oriole
Olive-gray/Bluish-gray Saltator
MacGillivray's/Mourning Warbler
Red-naped/Red-breasted Sapsucker
Nelson's/Saltmarsh Sparrow (Sharp-tailed Sparrow)
Cooper's Hawk/American Goshawk
cuckoo sp. (Cuculidae sp.)
Black-tailed/Green-tailed Trainbearer
White-rumped/Chilean Swallow
Passer sp.
chachalaca sp.
Cordilleran/Mitred Parakeet
elaenia sp. (genus Myiopagis)
Streak-necked/Olive-striped Flycatcher
Long-billed/Chattering Gnatwren
Eastern/Chihuahuan Meadowlark
Anairetes sp.
Shiny/Brown-headed Cowbird
Lesson's/Lined Seedeater
Long-eared/Short-eared Owl
Barred/Lined Forest-Falcon