Marsh hawk nest with four eggs and one young. Image note: large.

Marsh hawk nest and eggs with one young. Image note: small.

Marsh hawk nest and eggs.

An ostrich at its nest. Image note: small.

Two ostrich chicks and eggs. Image note: side view.

A young ostrich chick standing beside egg. Image note: side view.

A young ostrich chick standing beside egg. Image note: side view.

A young ostrich chick and eggs. Image note: side view, large.

A sage thrasher nest with three eggs.

An adult Forster's tern on its nest. Image note: side view, large size.