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a person who studies and travels studying birds
used on the O.C season 3 gag reel:
Sandy: "Oh! and Ryan, our ornithologist....boy, he's got some birds for you!! Orthodontist!

or...
Season 1 of the O.C.
Kirsten: "An ornithologist, that's so interesting."
Sandy: "Your here discussing the pigeon with Bob!"
by anonymous33 April 01, 2007
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