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

Two royal tern chicks in the sand.

A close view of royal tern eggs in the sand.

A royal tern chick in the sand.

Herman T. Bohlman and William L. Finley photographing a tern’s nest among the tules.

Three young black terns on a nest. Image note: front view.

Adult Caspian tern with young. Young bird with turned back.

Three Caspian terns at nest. One with fish and one with mouth open. Image note: good.

A Caspian tern colony with three birds on wing overhead.

A Caspian tern colony with one bird on wing overhead. Image note: negative broken and corner missing.