Caspian tern nest and three eggs.

A mallard duck nest and eggs in tule drift on Adams Ranch.

A mallard duck nest and eggs.

A glaucous gull nest with three eggs.

A downy young glaucous gull chick in the palm of an unidentified woman’s hand. Two eggs are in a nest below.

Close view of a laughing gull nest containing three eggs.

Close view of a laughing gull nest containing three eggs.

Pyrrhuloxia sitting on nest. Image note: side view, large size.

Two young phainopepla birds in nest.

Two young phainopepla birds in nest.