birdcall
1. [ noun ] the characteristic sound produced by a bird
Synonyms: call song birdsong
Examples:

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

Related terms: animal_communication sing
2. [ noun ] a device for imitating a birdcall
Related terms: acoustic_device
Similar spelling:   Birdsall
  Birdsell
  birdcage
  bird-scarer
  bird_dog