The study found that bird species who nest in tree cavities have independently evolved heightened aggression across lineages, particularly in females. Scientists have long wondered whether evolution ...

Program in Ecology and Evolution Faculty & Emeritus represent many different departments and offer diverse expertise and interests, but all share a core commitment to research and graduate training in ...

Why do some people seem endlessly curious—drawn to new ideas, places, and experiences—while others prefer the comfort of the familiar? We often think of curiosity as a stable personality trait, part ...

The study of bird nesting behavior and ecology encompasses the multifaceted strategies and architectural innovations birds employ to ensure the reproductive success and survival of their offspring.

Introduction / Christina J. Campbell -- Morphology and evolution of the spider monkey, genus Ateles / Alfred L. Rosenberger ... [et al.] -- The taxonomic status of spider monkeys in the twenty-first ...

Evolutionary approach to animal behavior -- Diversity of behavior -- Genetics of behavior -- Development of behavior -- Nerve cells and behavior -- Organization of behavior -- Evolution of behavior: ...

From color-changing skin to jet-propelled motion, squid and cuttlefish have long fascinated scientists. To understand the ...

Same-sex behaviors seem to be common among rhesus macaques. Charles J. Sharp via Wikimedia Commons under CC BY-SA 4.0 Humans aren’t the only creatures engaging in same-sex sexual activities. To date, ...

Humans are far from the only primates engaging in same-sex sexual activity. A new study found instances in which 59 nonhuman primate species, including bonobos, chimpanzees and macaques, have taken ...