Snakes are found on every continent except for Antarctica and can occupy a wide range of habitats, including forests, deserts, grasslands, and aquatic habitats in both rivers and seas. This diverse ...

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 ...

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.

Every spring, red-sided garter snakes leave their hibernation burrows to engage in a frenzied jumble of mating. But a new study finds that doing the deed is no easy feat for males; in fact, they can ...

A long-term study of copperhead snakes in a forest near Meriden, Conn., revealed that five consecutive years of drought effectively ended the snakes' reproductive output. A long-term study of ...