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

Two young avocets crouching in their nest. Image note: side view.

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

Two men (lower right) anchoring a tent to a small ledge on the side of Three Arch Rock. Murres and other sea birds are perched en masse upon the rock.

Two men (lower right) anchoring a tent to a small ledge on the side of Three Arch Rock. Murres and other sea birds are perched en masse upon the rock.

Dallas Lore Sharp holding a young gull chick. Two eggs set on the ground to the side.

A flock of juvenile gulls in the tules near Klamath Lake. The outline of Dallas Lore Sharp and an unidentified man are visible in the tules observing the birds.

A flock of juvenile gulls in the tules near Klamath Lake. The outline of two unidentified men are visible in the tules observing the birds.

A flock of juvenile gulls in the tules near Klamath Lake. The outline of two unidentified men are visible in the tules observing the birds.

A flock of juvenile gulls in the tules near Klamath Lake. The outline of an unidentified man is visible in the tules observing the birds.