Birds of field and forest abound throughout the year at the Trailside Nature Museum at Ward Pound Ridge Reservation. The brochure, Birds of Ward Pound Ridge Reservation, contains a checklist of the 184 species recorded in the park to date.
List of endangered bird species:
| Common Name | Scientific Name | |
| Endangered | Peregrine Falcon | Falco peregrinus |
| Loggerhead Shrike | Lanius ludovicianus | |
| Least Bittern | Ixobrychus exilis | |
| Bald Eagle | Haliaeetus leucocephalus | |
| King Rail | Rallus elegans | |
| Common Tern | Sterna hirundo | |
| Henslow’s Sparrow | Ammodramus henslowii | |
| Osprey | Pandion haliaetus | |
| Cooper’s Hawk | Accipiter cooperii | |
| Northern Goshawk | Accipiter gentilis | |
| Red-shouldered Hawk | Buteo lineatus | |
| Golden-winged Warbler | Vermivora chrysoptera | |
| Cerulean Warbler | Dendroica cerulea | |
| Vesper Sparrow | Pooecetes gramineus | |
| Grasshopper Sparrow | Ammodramus savannarum | |
| Seaside Sparrow | Ammodramus maritimus | |
| Savannah Sparrow | Passerculus sandwichensis | |
| Kentucky Warbler | Oporornis formosus | |
| Threatened | Yellow-breasted Chat | Icteria virens |
| Common Barn Owl | Tyto alba | |
| Common Raven | Corvus corax | |
| American Woodcock | Scolopax minor | |
| Saltmarsh Sharp-tailed Sparrow | Ammodramus caudacutus | |
| Eastern Meadowlark | Sturnella magna | |
| Bobolink | Dolichonyx oryzivorus | |
| Special Concern | Common Nighthawk | Chordeiles minor |
| Whip-poor-will | Caprimulgus vociferous | |
| American Black Duck | Anas rubripes | |
| Wood Thrush | Hylocichla mustelina | |
| Prairie Warbler | Dendroica discolor | |
| Worm-eating Warbler | Helmitheros vermivorus | |
| Canada Warbler | Wilsonia canadensis |