| Common Name begins with: [ A ] [ B ] [ C ] [ D ] [ E ] [ F ] [ G ] [ H ] [ I ] [ K ] [ L ] [ M ] [ N ] [ O ] [ P ] [ R ] [ S ] [ T ] [ U ] [ V ] [ W ] [ Y ] [ Z ] | |
| Scientific Name begins with: [ A ] [ B ] [ C ] [ D ] [ E ] [ F ] [ G ] [ H ] [ I ] [ J ] [ L ] [ M ] [ N ] [ O ] [ P ] [ Q ] [ R ] [ S ] [ T ] [ U ] [ V ] [ X ] [ Z ] | |
| Family (Alpha): | |
| Family (Taxonomic): | |
| Cackling Goose | Branta hutchinsii | View |
| California Gull | Larus californicus | View |
| Calliope Hummingbird | Selasphorus calliope | View |
| Canada Goose | Branta canadensis | View |
| Canada Warbler | Cardellina canadensis | View |
| Canvasback | Aythya valisineria | View |
| Cape May Warbler | Setophaga tigrina | View |
| Cape Verde Shearwater | Calonectris edwardsii | View |
| Carolina Chickadee | Poecile carolinensis | View |
| Carolina Parakeet | Conuropsis carolinensis | View |
| Carolina Wren | Thryothorus ludovicianus | View |
| Caspian Tern | Hydroprogne caspia | View |
| Cassin's Kingbird | Tyrannus vociferans | View |
| Cassin's Sparrow | Peucaea cassinii | View |
| Cave Swallow | Petrochelidon fulva | View |
| Cedar Waxwing | Bombycilla cedrorum | View |
| Cerulean Warbler | Setophaga cerulea | View |
| Chestnut-collared Longspur | Calcarius ornatus | View |
| Chestnut-sided Warbler | Setophaga pensylvanica | View |
| Chimney Swift | Chaetura pelagica | View |
| Chipping Sparrow | Spizella passerina | View |
| Chuck-will's-widow | Antrostomus carolinensis | View |
| Cinnamon Teal | Spatula cyanoptera | View |
| Clapper Rail | Rallus crepitans | View |
| Clark's Grebe | Aechmophorus clarkii | View |
| Clay-colored Sparrow | Spizella pallida | View |
| Cliff Swallow | Petrochelidon pyrrhonota | View |
| Common Eider | Somateria mollissima | View |
| Common Gallinule | Gallinula galeata | View |
| Common Goldeneye | Bucephala clangula | View |
| Common Grackle | Quiscalus quiscula | View |
| Common Ground Dove | Columbina passerina | View |
| Common Gull | Larus canus | View |
| Common Loon | Gavia immer | View |
| Common Merganser | Mergus merganser | View |
| Common Murre | Uria aalge | View |
| Common Nighthawk | Chordeiles minor | View |
| Common Raven | Corvus corax | View |
| Common Ringed Plover | Charadrius hiaticula | View |
| Common Swift | Apus apus | View |
| Common Tern | Sterna hirundo | View |
| Common Yellowthroat | Geothlypis trichas | View |
| Connecticut Warbler | Oporornis agilis | View |
| Cooper's Hawk | Astur cooperii | View |
| Cory's Shearwater | Calonectris borealis | View |
| Crested Caracara | Caracara plancus | View |
| Curlew Sandpiper | Calidris ferruginea | View |
| Cypseloides Swift sp. | Cypseloides sp. | View |