Northern Shoveler, Anas clypeata
		A mating pair, right after the winter solstice.
						Northern Shovelers are the most commonly seen wintering ducks around the south shores of San Francisco Bay. A female, showing some yellow in the bill; compare the female of the mating pair above.
	Male in Fall plumage above -- an intermediate stage between eclipse and full breeding plumage, the latter of which usually isn't attained until winter in this species. Below, another Fall male, as identified by the bright yellow eye -- the orange bill is found in a few males in non-breeding plumage, according to the account in Birds of North America online.