The characteristic call of a particular bird.
the usual call note is a sharp ‘tchick ’
Example sentencesExamples
- Structural characters and call notes remain the most diagnostic traits.
- One means of distinguishing the willow tit from the marsh tit is by call notes.
- Where one species overlaps in territory with another having a similar call note, the frequency of the first species' song is adjusted upward by about 0.3 kilohertz.
- A parent feeds only its own chick, recognizing the chick by its call note.
- Black-chinned hummingbirds produce a variety of call notes, typically used while chasing other birds.