You've probably heard of invasive plants, but what about invasive birds? These common nonnative species are now abundant in ...

Learn all about the western cattle egret, a bird often found in pastures alongside cows. See what the species looks like and sounds like.

The most abundant species recorded were the cattle egret (3,495 individuals), little cormorant (2,150), migratory barn swallow (1,511), glossy Ibis (1,185), and migratory whiskered tern (967).