A tiny, lizardlike carnivore that skittered across swampy ground roughly 300 million years ago helped set the stage for some of the largest plant eaters the planet has ever seen. Its story is a ...

[v. 2.] Introduction : Carnivores and conservation biology / George B. Schaller -- pt. 1. Behavior. Ethics and the study of carnivores : doing science while respecting animals / Marc Bekoff and Dale ...

The extreme morphological variability of the baculum across mammals is thought to be the result of sexual selection (particularly, high levels of postcopulatory selection). However, the evolutionary ...