NPB 102 Lecture Notes - Lecture 10: Zebra Finch, Bird Vocalization, Amphiprioninae
28 Apr 2018
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Lecture 10
- Rats in urtero
o Female surrounded by 2 males (2M)
o Female surrounded by 1 male (1M)
o Female surrounded by 0 male (0M)
o Testing to see if testosterone in early age affects behavior
o Results
▪ 2M individual
• More aggressive
• More prone to mounting behavior
• Female less sexually attractive to male
▪ 0M individual
• Less aggressive
• Less prone to mounting
• Female sexually attractive to males
- Other environmental factors
o Temperature
o Light/dark patterns
o Environmental chemicals
Learning
- Permits individuals to adjust to variable aspects of the environment
o Imprinting
▪ Specialized form of learning
▪ Particularly important inn behavior development
▪ Several special characteristics
• Occurs only during critical period
• Does not require reinforcement
• Irreversible
o Filial, sexual habitat
o Other “imprinting-like” behavior bird song learning
▪ Imprinting the song model
- Filial imprinting
o Following parent once after birth
- Sexual imprinting
o Zebra finch female and Bengalese finch female
o Zebra finch male sings and imprints on female during birth
- Habitat imprinting
o Chemicals, smell, taste, texture, color
o Anemonefish (clownfish)
▪ Associating with anemone
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