16.5_cowbird_vocal_learning - Playback of wing stroke songs...

Info iconThis preview shows pages 1–5. Sign up to view the full content.

View Full Document Right Arrow Icon
1 Learning by babbling: Vocal development is guided by perception of structure in social interactions Michael Goldstein Brown-headed cowbird, Molothrus ater Males display to females
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
2 Adult song - a closer look (and listen) Song development 1 5 4 3 2 Measuring female responsiveness
Background image of page 2
3 • Housed males in acoustic isolation but with social companions (females) • Record song during breeding season, play back to new set of females • Compare songs of males reared in acoustic isolation to those from social aviaries Do young males require social interaction to develop mature song? Wing strokes
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
4 Females respond selectively to plastic song Functional value of wing strokes
Background image of page 4
Background image of page 5
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Playback of wing stroke songs to a new set of females Would females adopt copulatory postures to songs that had earlier elicited wing strokes? Compare: Song preceding wingstroke Song eliciting wingstroke Song following wingstroke During breeding season, females gave more copulatory postures to songs that had earlier elicited wing strokes During development, males songs were three times more likely to incorporate functional elements after a wing stroke than before a wing stroke 5 Females responses to males immature sounds shape vocal development...
View Full Document

Page1 / 5

16.5_cowbird_vocal_learning - Playback of wing stroke songs...

This preview shows document pages 1 - 5. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online