Table of Contents:
  • 1. Introduction
  • 2. Song and song learning
  • 2.1 Behavior
  • 2.2 Structures controlling song learning and production in songbirds
  • 2.3 Relationships between structure and function: sex differences in the song circuit
  • 2.4 Mechanisms regulating sexual differentiation of the song system
  • 2.4.1 Steroid hormones
  • 2.4.2 Sex chromosome genes
  • 2.5 Relationships between structure and function: adult plasticity in the song circuit
  • 2.6 Structures controlling song learning and production in other orders of birds
  • 3. Other social/reproductive behaviors
  • 4. Conclusions and ideas for future directions
  • References
  • Author biography.