Terns with downy chicks in tules.

Advertisement with Caspian tern and great blue heron images taken by William Finley.

Royal terns in flight and on the shore with eggs visible on the sand in the foreground at a colony near Aransas Pass.

A royal tern chick in the sand.

A close view of royal tern eggs in the sand.

A close view of two royal tern eggs and one newly hatched chick in the sand.

A young black tern swallowing a fish.

A young black tern on its nest. Image note: side view.

Two young black terns in a nest, one eating a minnow.

Irene Finley with a camera on a tripod photographing a royal tern colony.