great egret poised looking for prey at the edge of white rock lake in dallas, texas.

great egret poised looking prey roots fallen tree edge white rock lake dallas texas still mirror-like reflection binomial name ardea alba common egret large heron species breeds colonies trees close lakes reed beds extensive wetlands forages shallow water drier habitats feeding fish frogs amphibians small mammals reptiles crustaceans insects normally impales long sharp bill standing allowing striking distance