The Collaborative International Dictionary of English v.0.48:

Garganey \Gar"ga*ney\, n. (Zool.)
   A small European duck (Anas querquedula); -- called also
   cricket teal, and summer teal.
   [1913 Webster]

WordNet (r) 3.0 (2006):

garganey
    n 1: small Eurasian teal [syn: garganey, Anas querquedula]