This preview shows pages 1–2. Sign up to view the full content.
This preview has intentionally blurred sections. Sign up to view the full version.View Full Document
Unformatted text preview: WHITE CROWNED SPARROW EXAMPLE Wingfield’s idea was that animals have a baseline testosterone level during the nonbreeding season that is very low. During the breeding season, they have a new, higher baseline. Then, upon stimulation, their testosterone concentrations reach a maximum level. Knowing that testosterone rises and controls courtship and aggression, how then does it relate to parental behaviors and incubation feeding? There is another hormone involved – prolactin Testosterone – main hormone responsible for aggression and courtship Prolactin – main hormone responsible for parental care...
View Full Document
This note was uploaded on 04/08/2011 for the course POUL 3123 taught by Professor Navara during the Spring '09 term at UGA.
- Spring '09