The shapes of artiodactyl headgear play key roles in interactions with their environment and each other. Consequently, headgear morphology can be used to predict behavior. For example, larger, recurved horns are typical ...

Accurately distinguishing species in the fossil record is difficult when the extent of osteological variation in many modern animals is unknown. Research into intraspecific variation has been conducted in a number of groups, ...

It is clear that ecosystems are devastated after a volcanic eruption coats the landscape with a layer of ash; however, the ecological recovery of mammalian communities after eruptions is poorly understood. Volcanic eruptions ...