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Unformatted text preview: anatomical features 3 The song control systems of parrots, hummingbirds, and oscine songbirds Evolution of Vocal Learning Current phylogenetic distribution Multiple origins or single origin of vocal learning? How complete is our info on which groups are learners? Brain anatomy Striking similarities among diverse groups Adaptation versus evolutionary holdover Current selection may continue to favor learning Or presence of learning may simply reflect an evolutionary holdover from a common ancestor...
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This note was uploaded on 04/09/2010 for the course NPB NPB 102 taught by Professor Hahn during the Spring '10 term at UC Davis.
- Spring '10