Great apes deploy gestural signals in goal-directed and flexible ways across a wide range of
social contexts. Despite growing evidence for profound effects of developmental experience …

We describe the individual and combined use of vocalizations and gestures in wild
chimpanzees. The rate of gesturing peaked in infancy and, with the exception of the alpha …

For both humans and other animals, the ability to combine information obtained through
different senses is fundamental to the perception of the environment. It is well established …

A long-standing goal for biologists has been to understand how female preferences operate
in systems where males have evolved numerous sexually selected traits. Jumping spiders of …

Avian plumage has captivated scientists and the public alike for generations and has been a
fundamental study system for research into signal evolution. By contrast, relatively little …

Long-term signal evolution is shaped by a variety of selective pressures including the need
to convey additional information or to improve message transfer to specific receivers or …

Young animals often solicit care from their parents using behaviors and morphologies
collectively termed begging. Many nestling altricial birds add to their familiar postures and …

Much research on animal communication has addressed how costs or constraints
determined by the oxidative status of an individual can assure the honesty of visual signals …

The transition to independence is a critical period of development and a focus of parent–
offspring conflict over the optimum level of parental care, but there is continuing uncertainty …

Traits used by dependent young to obtain parental care are often interpreted in the context
of offspring–parent communication, with offspring traits offering parents some information …