Search Result for "birder": 
Wordnet 3.0

NOUN (1)

1. a person who identifies and studies birds in their natural habitats;
[syn: bird watcher, birder]



The Collaborative International Dictionary of English v.0.48:

Birder \Bird"er\ (-[~e]r), n.
   1. A birdcatcher.
      [1913 Webster]

   2. a birdwatcher.
      [PJC]


WordNet (r) 3.0 (2006):

birder
    n 1: a person who identifies and studies birds in their natural
         habitats [syn: bird watcher, birder]