Dotterel

n.
  1. (Zoöl.) A European bird of the Plover family (Eudromias morinellus, syn. Charadrius morinellus). It is tame and easily taken, and is popularly believed to imitate the movements of the fowler.
  2. A silly fellow; a dupe; a gull.

The ringed dotterel (or ring plover) is Charadrius hiaticula.