The anhinga bird.
anhinga definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
any of a family (Anhingidae) of pelecaniform birds of tropical and subtropical regions, with a long, sharp-pointed bill and long neck
Origin: Portuguese ; from Tupí áyinga
anhinga definition by American Heritage Dictionary
Any of a genus (Anhinga) of long-necked birds having a sharp, pointed bill and inhabiting swampy regions of tropical and subtropical America. Also called darter, snakebird, water turkey.
Origin: Portuguese, from Tupi ayingá.