Colonial Waterbirds

Double-crested Cormorant,
Herring Gull, Ring-billed Gull,
Black Tern, Common Tern, Caspian Tern, Black-crowned Night Heron, Cattle Egret

Black-crowned Night Heron

Colonial waterbirds are limited to only a handful of Vermont atlas blocks. Although Atlas data exhibit major distributional changes for this group of species, abundance surveys are needed to determine population fluctuations. On balance, colonial waterbirds fared well in Vermont between the first and second Atlases.