Fig 2
From: Contextual flexibility in the vocal repertoire of an Amazon parrot

Spectrograms of (a) 7 note-types most frequently emitted by Lilac-crowned Amazons, and (b) female and nestling begging vocalisations to solicit food
From: Contextual flexibility in the vocal repertoire of an Amazon parrot
Spectrograms of (a) 7 note-types most frequently emitted by Lilac-crowned Amazons, and (b) female and nestling begging vocalisations to solicit food