A mallard duck nest and eggs.

Western grebe nest with bird in the background. Image note: telephoto lens.

Western grebe nest with bird in the background. Image note: telephoto lens.

Two young western grebes and two eggs in nest.

Western grebe nest floating. Long way of plate.

Western grebe nest and eggs. Image note: upright plate.

A mallard duck nest and eggs in the corner of a rail fence.

A black tern nest with three eggs.

A black tern nest with three eggs.

A black tern nest with three eggs. Image note: large.