Three unidentified nestlings, possibly herons, in their nest.

Pearson holding a camera and standing beside a nest with an unidentified bird.

View of a great blue heron nest and eggs.

View of a great blue heron nest and eggs.

Herman T. Bohlman climbing up to a great blue heron's nest, about 140 ft. high.

Herman T. Bohlman climbing up to a great blue heron's nest, about 140 ft. high.

A general view of a great blue heron colony. Image note: telephoto.

A common egret in flight over egret colony.

A young common egret in its nest.

A young common egret in its nest.