Western gull
Chapter 3: Why and How Birds Sing
Subchapter: Singing in the brain
From page 36 in the book.
Photo by Brian E. Small
♫113. These "long calls" are also believed to be innate; gulls also lack songbird-like "song control centers." Don't miss the high-pitched pigeon guillemot vocalizations (songs? calls?) from 0:57 to 1:03. May 21, 2009. Seal Rock, Oregon. (1:26)