Aquatic turtles, like the snapping and painted, can be spotted almost daily from late winter through the following late fall at and in waters across Pennsylvania. Other species are much more common ...

Turtles have been spotted performing underwater push-ups while hibernating – something that might help them grab enough oxygen to stay alive. Mike Plummer from Harding University in Arkansas and his ...

Jasinski, S. E. 2013. Review of the fossil Trionychidae (Testudines) from Alabama, including the oldest record of Trionychid turtles from Eastern North America. Bull. Alabama Muse. Nat. Hist. 31 (2): ...

Embryological ontogeny of aromatase gene expression in Chrysemys picta and Apalone mutica turtles: comparative patterns within and across temperature-dependent and genotypic sex-determining mechanisms ...