One day last spring, fossil hunter and anatomy professor Kenneth Rose, Ph.D. was displaying the bones of a jackrabbit’s foot as part of a seminar at the Johns Hopkins University School of Medicine when something about the shape of the bones looked oddly familiar.

At least that’s how University of Florida researchers interpret the results of new research on the mating habits and nervous systems of prairie voles. An article about the research, which examined both the voles’ behavior and their brains, appears in this week’s edition of the Proceedings of the National Academy of Sciences.

Hippity, hoppity"¦click! So went the latest appearance of one of the world's rarest rabbits, captured on film by a camera trap in the rain forests of Indonesia, according to researchers from the Wildlife Conservation Society.