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.

An unidentified person’s hand holding up a young black skimmer chick.

Young black skimmer chicks nested in a sand dune.

Black skimmers on the beach.

A black skimmer on the beach.

A gull perched on a bowsprit, one bird flying over. Image note: scratched.

A gull in flight catching a piece of bread from the air. Ships are visible in the distance. Image used in “American Birds.

A young black tern swallowing a fish.

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