Black skimmers on the beach.

An unidentified person walking down the beach with black skimmers in flight overhead.

Close view of a laughing gull nest containing three eggs.

Close view of a laughing gull nest containing three eggs.

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.

A black tern nest with three eggs.

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

A black tern nest with three eggs.