Any one of several species of fish-eating eagles of the
   genus Haliaeetus and allied genera, as the North Pacific sea eagle. (H.
   pelagicus), which has white shoulders, head, rump, and tail; the
   European white-tailed eagle (H. albicilla); and the Indian white-tailed
   sea eagle, or fishing eagle (Polioaetus ichthyaetus). The bald eagle
   and the osprey are also sometimes classed as sea eagles.