Both the male and female American robin are gray-brown birds with yellow bills and reddish ... Female robins lay three to four pastel-blue eggs in a neat deep cup nest made of mud and grass.

The American dipper, a drab-looking bird no larger than a robin, is a splashy rarity: a songbird that swims and even walks underwater. This round-bodied gray bird with short wings and a stubby tail is ...

This species’ often confiding nature, distinctive plumage, pleasing song, and acceptance of human-dominated habitats make it one of the most beloved of North American birds. Polytypic.