birdsong
1. [ noun ] Last name, frequency rank in the U.S. is 5376
2. [ noun ] the characteristic sound produced by a bird
Synonyms: call song birdcall
Examples:

"a bird will not learn its song unless it hears it at an early age"

Related terms: animal_communication sing
Similar spelling:   bird_dog
  bird_shot
  bird's_nest
  Birdsell
  birdseed
  Birdsall