The Collaborative International Dictionary of English v.0.48:

Kittiwake \Kit"ti*wake\ (k[i^]t"t[i^]*w[=a]k), n. (Zool.)
   A northern gull (Rissa tridactyla), inhabiting the coasts
   of Europe and America. It is white, with black tips to the
   wings, and has only three toes.
   [1913 Webster]

WordNet (r) 3.0 (2006):

kittiwake
    n 1: small pearl-grey gull of northern regions; nests on cliffs
         and has a rudimentary hind toe