A Warbling Vireo sings from a flowering hawthorn branch.
© All Rights Reserved
An Eastern Bluebird consumes an insect then sings in the rain on a fence post.
© All Rights Reserved
The booming call of an American Bittern can be heard over great distances. In this instance, the call is a territorial call by this dominant male to ward off another Bittern in close proximity. The exact mechanics behind the call are not fully understood.
© All Rights Reserved
A male American Bittern demonstrates its powerful vocal cords as its call echoes through the marsh.
© All Rights Reserved