Do populations suffer a fitness cost due to sex differences in selection on shared traits?
Islands in The Bahamas can be netted to exclude birds and study how predators shape selection on lizards.
Costs of reproduction in females
How does current reproductive investment impact survival and future reproduction?
Last updated
10 October, 2009
Follow the links below to learn more about my current postdoctoral projects:
How does natural selection create and maintain discrete phenotypic variation?
How do animals regulate their rates of water loss in response to extreme heat and aridity?
Costs of reproduction in males
How does testosterone impact survival, immune function, and parasite load?
Hormones, performance and fitness
How do hormones mediate performance to influence an organism’s fitness?
Learn more about my dissertation research and ongoing studies of sexual dimorphism:
Evolution of sexual size dimorphism
Why are males the larger sex in some species, yet females are the larger sex in many others?
Endocrinology of sexual dimorphism
How do hormones regulate sex differences in growth, body size, and coloration?
These pages describe my past research, side projects, and recent collaborations:
Read about student projects conducted by undergraduates at Dartmouth and Rutgers.