Within-group variation in sociality has been linked to correlates of fitness across vertebrates.
Individuals that form strong social bonds with a few partners, or are well integrated into a …

The last 'hibernation book'was published in 1982, nearly 40 years ago, so clearly an update
was needed. The options were a book written by a single author or an edited book written by …

This comprehensive introductory text integrates evolutionary, ecological, and demographic
perspectives with new results from field studies and contemporary noninvasive molecular …

Elevation gradients correlate with changes in several environmental conditions and are
known to be related to animal abundance. Animals in regions with a naturally limited extent …

Social interactions profoundly influence animal development, physiology, and behavior. Yet,
how sleep—a central behavioral and neurophysiological process—is modulated by social …

Owl monkeys are found in a variety of ecosystems ranging from the highlands of Panama
and Colombia, to the Amazon, and to the South American Chaco. As such, the only extant …

Folivorous primates are typically considered time minimizers because the constraints of their
unique digestive systems require them to spend a large portion of their activity budgets …

Although studying communication among nocturnal primates is particularly challenging,
decades of research provide sufficient evidence to recognize that communication between …

Objectives Synthesize information on sleep patterns, sleep site use, and daytime predation
at sleep sites in lorisiforms of Asia and Africa (10 genera, 36 species), and infer patterns of …

Early research hypothesized that Aotus was a member of a specialized guild of hard-fruit
and seed-eating “sclerocarpic harvesters” based largely on their dentognathic morphology …