Reproductive biology of the northern Pacific rattlesnake (Crotalus viridis oreganus) was studied in snakes from three hibernacula in northern Idaho from 1978 to 1981. More females than males were ...

Forty-eight adult and 17 immature male lined snakes (Tropidoclonion lineatum) were collected in St. Louis, Missouri, during the active seasons of 1978-1980. Testis mass was lowest in early spring and ...

Snake reproduction, often shrouded in mystery, offers a captivating glimpse into the biological adaptations of these ...

For years scientists have known that some species of sharks, fish and lizards are capable of "virgin births," asexual reproduction known as parthenogenesis that occurs when unfertilized eggs develop.

Comparative Anatomy of the Vertebrates, Comparative Vertebrate Reproduction, Herpetology, Natural History of the Vertebrates. Research Interests: I study the reproductive biology of reptiles, ...

Walsh, Timothy F., Ernst, C., and Laemmerzahl, A. F. 1999. "Reproduction of the rufous-beaked snake, Rhamphiophis oxyrhynchus (Colubridae, Lamphrophinae)." The ...