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

Marsh hawk nest and eggs.

An ostrich at its nest. Image note: small.

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

A Forster's tern at its nest. Image note: small size, dense plate.

An adult Forster's tern at its nest on muskrat house. Image note: side view.

A Forster's tern at nest with an open mouth. Image note: large size.

An adult Forster's tern at its nest. Image note: small size.

An adult Forster's tern at its nest. Image note: upright plate.

An adult Forster's tern at its nest, showing three eggs.