[1] : The Collaborative International Dictionary of English v.0.48

wedge-tailed \wedge"-tailed"\, a. zool.
   having a tail which has the middle pair of feathers longest,
   the rest successively and decidedly shorter, and all more or
   less attenuate; -- said of certain birds. see illust. of
   wood hoopoe, under wood.
   1913 webster

   wedge-tailed eagle, an australian eagle aquila audax
      which feeds on various small species of kangaroos, and on
      lambs; -- called also mountain eagle, bold eagle, and
      eagle hawk.

   wedge-tailed gull, an arctic gull rhodostethia rosea in
      which the plumage is tinged with rose; -- called also
      ross's gull.
      1913 webster
see also:
wood hoopoe wood wedge-tailed eagle aquila audax mountain eagle bold eagle 
eagle hawk wedge-tailed gull rhodostethia rosea ross's gull 

Gull >> G Words
Gull, definition of term: Gull
gull_pag1.html

Sea Gull >> S Words
Sea Gull, definition of term: Sea Gull
sea+gull_pag1.html