The ducks understand crow and gull talk perfectly, and trust largely to these friendly sentinels.
"Ways of Wood Folk"
William J. Long
"Mark" in the sense of "butt" or "gull" is one of the commonest of slang words.
"America To-day, Observations and Reflections"
William Archer
The herring-gull and lesser black-backed gull resemble each other in language as they do in general appearance; both have very powerful and clear voices unlike the guttural black-headed and common gull.
"Afoot in England"
W.H. Hudson