Songbirds sing! Adult song is highly stereotyped

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Presentation transcript:

Songbirds sing! Adult song is highly stereotyped motif Zebra finch bout syllables ~1sec time Frequency There are two modes of singing: Directed singing Undirected singing Ofer Tchernichovski’s Lab (CUNY)

Songbirds learn to sing by imitating their tutor Press on the sonograms to hear the sound waves Subsong 40d 60d Plastic Song Song Variability Similarity to Tutor 90d Crystallized crystallized song subsong plastic song Tutor Song Age (days)

"recursive equation" Song evolved towards the wild-type in three to four generations. Thus, species-typical song culture can appear de novo. Fehe´r et al. Nature 2009 The lab of Ofer Tchernichovski