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 muskrat den and a tern nest in the tules.

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.

Caspian terns on breeding ground. One bird alighting with food.

A group of Caspian terns on point. One bird on wing.

Caspian tern colony in the distance with birds on wing and in the water in the foreground.