androgens
- Behavioral and physiological traits of migrant and resident white-crowned sparrows: a common garden approach
Summary: Under common garden conditions, comparison of migratory and resident white-crowned sparrows identifies distinctions in their respective responses to environmental cues, primarily photoperiod, leading to diverse life histories.
- Androgen responses to reproductive competition of males pursuing either fixed or plastic alternative reproductive tactics
Summary: Androgen levels of fixed and plastic alternative reproductive tactics in the snail shell-brooding cichlid Lamprologus callipterus differ and are influenced by specific social and reproductive challenges.