Thamnophis

Utilizing behavioral experiments and chemical analyses, we examined whether pheromonally mediated sexual isolation exists between… (More)

Stress and glucocorticoids are generally thought to suppress reproductive function at multiple levels. We tested the hypotheses… (More)

Over a 2-yr period, we investigated the annual cycles of plasma testosterone and corticosterone and the relationships between… (More)

The western terrestrial garter snake (Thamnophis elegans) varies significantly in individual growth rates and life-history traits… (More)

The time-scale for the evolution of additive genetic variance-covariance matrices (G-matrices) is a crucial issue in evolutionary… (More)

Winter survival for various species of amphibians and reptiles that hibernate on land depends on freeze tolerance, the ability to… (More)

Studies of behavioral thermoregulation of ectotherms have typically focused only on active animals. However, most temperate-zone… (More)

Female red-sided garter snakes, Thamnophis sirtalis parietalis, become unattractive to most males after mating in the field and… (More)

Recently born garter snakes (Thamnophis radix) were subjected to a variety of threatening stimuli. They would crawl away from the… (More)

1. Following copulation, female Thamnophis radix are unattractive to sexually active males for at least 48 h; the stimulus basis… (More)