Kittywakes are seabirds in the gull family Laridae. There are two species:

Black-legged Kittiwake
Rissa tridactyla
Red-legged Kittiwake Rissa brevirostris

The range of the Blacked-legged Kittiwake covers both coasts of the United States while the range of the Red-legged Kittiwake is south of the Aleutian chain.