species
13.
species
35.
species
65.
species
94.
species
107.
species
111.
species
124.
species
127.
species
132.
species
134.
species
135.
species
136.
species
143.
species
144.
species
148.
species
151.
species
152.
species
158.
species
159.
species
160.
species
162.
species
168.
species
171.
species
172.
species
177.
species
179.
species
182.
species
186.
species
196.
species
198.
species
207.
species
216.
species
221.
species
229.
species
234.
species
238.
species
247.
species
253.
species
259.
species
264.
species
271.
species
273.
species
288.
species
292.
species
296.
species
297.
species
301.
species
307.
species
309.
species
315.
species
317.
species
318.
species
320.
species
321.
species
325.
species
326.
species
335.
species
348.
species
352.
species
360.
species
364.
species
366.
species
370.
species
377.
species
380.
species
382.
species
386.
species
393.
species
398.
species
400.
species
401.
species
404.
species
410.
species
411.
species
413.
species
430.
species
431.
species
433.
species
434.
species
436.
species
448.
species
449.
species
450.
species
452.
species
455.
species
459.
species
460.
species
461.
species
463.
species
465.
species
466.
species
467.
species
469.
species
470.
species
473.
species
475.
species
477.
species
478.
species
479.
species
484.
species
488.
species
490.
species
493.
species
495.
species
496.
species
499.
species
511.
species
515.
species
516.
species
519.
species
520.
species
523.
species
526.
species
529.
species
530.
species
538.
species
541.
species
545.
species
548.
species
550.
species
551.
species
553.
species
558.
species
559.
species
561.
species
562.
species
566.
species
572.
species
578.
species
582.
species
584.
species
585.
species
586.
species
591.
species
598.
species
602.
species
608.
species
609.
species
610.
species
615.
species
617.
species
620.
species
621.
species
625.
species
630.
species
634.
species
635.
species
638.
species
642.
species
643.
species
644.
species
647.
species
649.
species
650.
species
651.
species
652.
species
653.
species
654.
species
656.
species
657.
species
663.
species
664.
species
674.
species
686.
species
689.
species
699.
species
702.
species
707.
species
710.
species
714.
species
717.
species
719.
species
720.
species
723.
species
726.
species
735.
species
738.
species
741.
species
753.
species
768.
species
772.
species
774.
species
780.
species
783.
species
790.
species
797.
species
798.
species
799.
species
800.
species
804.
species
805.
species
806.
species
808.
species
810.
species
811.
species
817.
species
821.
species
823.
species
833.
species
838.
species
839.
species
847.
species
848.
species
854.
species
863.
species
865.
species
867.
species
874.
species
879.
species
880.
species
894.
species
897.
species
898.
species
900.
species
903.
species
904.
species
914.
species
917.
species
918.
species
937.
species
943.
species
947.
species
954.
species
959.
species
960.
species
963.
species
973.
species
980.
species
982.
species
984.
species
996.
species
999.
species
1001.
species
1002.
species
1004.
species
1008.
species
1010.
species
1017.
species
1025.
species
1027.
species
1031.
species
1032.
species
1034.
species
1041.
species
1064.
species
1106.
species
1107.
species
1108.
species
1109.
species
1111.
species
1125.
species
1133.
species
1134.
species
1142.
species
1145.
species
1163.
species
1169.
species
1177.
species
1179.
species
1190.
species
1195.
species
1198.
species
1203.
species
1206.
species
1207.
species
1209.
species
1219.
species
1221.
species
1229.
species
1230.
species
1231.
species
1234.
species
1238.
species
1257.
species
1266.
species
1274.
species
1281.
species
1285.
species
1287.
species
1291.
species
1292.
species
1297.
species
1301.
species
1312.
species
1321.
species
1323.
species
1327.
species
1328.
species
1334.
species
1338.
species
1339.
species
1344.
species
1354.
species
1356.
species
1357.
species
1359.
species
1364.
species
1369.
species
1370.
species
1371.
species
1380.
species
1390.
species
1393.
species
1394.
species
1402.
species
1411.
species
1419.
species
1420.
species
1423.
species
1424.
species
1435.
species
1436.
species
1437.
species
1438.
species
1442.
species
1444.
species
1452.
species
1453.
species
1470.
species
1477.
species
1482.
species
1485.
species
1488.
species
1493.
species
1495.
species
1500.
species
1507.
species
1527.
species
1531.
species
1533.
species
1540.
species
1543.
species
1548.
species
1552.
species
1553.
species
1555.
species
1556.
species
1559.
species
1563.
species
1564.
species
1571.
species
1574.
species
1577.
species
1579.
species
1581.
species
1583.
species
1586.
species
1592.
species
1598.
species
1606.
species
1607.
species
1608.
species
1611.
species
1617.
species
1627.
species
1633.
species
1635.
species
1638.
species
1639.
species
1640.
species
1642.
Puntarenas Screech-Owl (undescribed form)
Snow x Ross's Goose (hybrid)
Graylag x Swan Goose (hybrid)
Swan Goose x Canada Goose (hybrid)
Domestic goose sp. x Canada Goose (hybrid)
Eurasian x American Wigeon (hybrid)
American Wigeon x Mallard (hybrid)
Mallard x Mexican Duck (hybrid)
Mallard x American Black Duck (hybrid)
Mallard x Mottled Duck (hybrid)
Redhead x Lesser Scaup (hybrid)
Western x Clark's Grebe (hybrid)
Eurasian x African Collared-Dove (hybrid)
Herring x Glaucous Gull (hybrid)
Western x Glaucous-winged Gull (hybrid)
Herring x Glaucous-winged Gull (hybrid)
Glossy x White-faced Ibis (hybrid)
Red-naped x Red-breasted Sapsucker (hybrid)
Red-crowned x Hoffmann's Woodpecker (hybrid)
White-collared x Golden-collared Manakin (hybrid)
Western Kingbird x Scissor-tailed Flycatcher (hybrid)
Carolina x Black-capped Chickadee (hybrid)
Tufted x Black-crested Titmouse (hybrid)
White-crowned x Golden-crowned Sparrow (hybrid)
Spotted x Collared Towhee (hybrid)
Altamira x Audubon's Oriole (hybrid)
Golden-winged x Blue-winged Warbler (hybrid)
Brewster's Warbler (hybrid)
Lawrence's Warbler (hybrid)
Yellow x Prairie Warbler (hybrid)
Townsend's x Hermit Warbler (hybrid)
Lazuli x Indigo Bunting (hybrid)
Snow/Ross's Goose
Domestic goose sp. (Domestic type)
Blue-winged/Cinnamon Teal
Mallard/American Black Duck
dabbling duck sp.
Greater/Lesser Scaup
Common/Barrow's Goldeneye
Common/Red-breasted Merganser
waterfowl sp.
California/Gambel's Quail
grouse sp.
Horned/Eared Grebe
Western/Clark's Grebe
Eurasian/African Collared-Dove
Smooth-billed/Groove-billed Ani
Yellow-billed/Black-billed Cuckoo
Coccyzus sp.
cuckoo sp. (Cuculidae sp.)
nighthawk sp.
nightjar sp.
Purple-throated/White-throated Mountain-gem
Ruby-throated/Black-chinned Hummingbird
Anna's/Costa's Hummingbird
Rufous/Allen's Hummingbird
Russet-naped/Gray-cowled Wood-Rail
moorhen/coot/gallinule sp.
Black-bellied Plover/golden-plover sp.
Short-billed/Long-billed Dowitcher
Lesser/Greater Yellowlegs
Western/Semipalmated Sandpiper
Calidris sp.
large shorebird sp.
Parasitic/Pomarine Jaeger
large alcid sp.
Herring/Glaucous-winged Gull
Western/Glaucous-winged Gull
large tern sp.
Double-crested/Neotropic Cormorant
Yellow-crowned/Black-crowned Night Heron
Glossy/White-faced Ibis
Sharp-shinned/Cooper's Hawk
Cooper's Hawk/American Goshawk
Accipiter sp.
Red-shouldered/Broad-winged Hawk
Long-eared/Short-eared Owl
new world trogon sp.
Yellow-bellied/Red-naped Sapsucker
Red-naped/Red-breasted Sapsucker
sapsucker sp.
Golden-fronted/Red-bellied Woodpecker
Nuttall's/Ladder-backed Woodpecker
diurnal raptor sp.
Mitred/Red-masked Parakeet
large parakeet sp. (former Aratinga sp.)
parakeet sp.
Middle American/South American Leaftosser
Western/Eastern Wood-Pewee
Alder/Willow Flycatcher (Traill's Flycatcher)
Hammond's/Dusky Flycatcher
Rusty-margined/Social Flycatcher
Tropical/Couch's Kingbird
Cassin's/Western Kingbird
yellow-bellied kingbird sp.
solitary vireo sp.
Philadelphia/Warbling Vireo
California/Woodhouse's Scrub-Jay
American/Fish Crow
crow/raven sp.
Carolina/Black-capped Chickadee
Black-capped/Mountain Chickadee
Oak/Juniper Titmouse (Plain Titmouse)
Tufted/Black-crested Titmouse
Tree/Violet-green Swallow
new world martin sp. (Progne sp.)
Ruby-crowned/Golden-crowned Kinglet
Curve-billed/Bendire's Thrasher
Gray-cheeked/Bicknell's Thrush
new world goldfinch sp.
Acanthis/Spinus sp.
longspur sp.
Spizella sp./American Tree Sparrow
White-crowned/White-throated Sparrow
Sagebrush/Bell's Sparrow (Sage Sparrow)
Nelson's/Saltmarsh Sparrow (Sharp-tailed Sparrow)
Spotted/Eastern Towhee (Rufous-sided Towhee)
new world sparrow sp.
Western/Eastern Meadowlark
Western/Chihuahuan Meadowlark
Eastern/Chihuahuan Meadowlark
Bullock's/Baltimore Oriole
Red-winged/Tricolored Blackbird
Bronzed/Brown-headed Cowbird
Boat-tailed/Great-tailed Grackle
Louisiana/Northern Waterthrush
Golden-winged/Blue-winged Warbler
MacGillivray's/Mourning Warbler
Black-throated Gray/Townsend's Warbler
Townsend's/Hermit Warbler
Setophaga sp.
new world warbler sp.
Summer/Scarlet Tanager
tanager sp. (Piranga sp.)
Northern Cardinal/Pyrrhuloxia
Rose-breasted/Black-headed Grosbeak
Morelet's/Cinnamon-rumped Seedeater
Sporophila sp.
passerine sp.
bird sp.