Search Result for "birdsong": 
Wordnet 3.0

NOUN (1)

1. the characteristic sound produced by a bird;
- Example: "a bird will not learn its song unless it hears it at an early age"
[syn: birdcall, call, birdsong, song]



WordNet (r) 3.0 (2006):

birdsong
    n 1: the characteristic sound produced by a bird; "a bird will
         not learn its song unless it hears it at an early age"
         [syn: birdcall, call, birdsong, song]