Predation is an important source of nest mortality in many bird species and calling near the
nest can increase this risk, yet adults of many species regularly vocalize near their nests …

Primates understand the meaning of their own and other species' alarm calls, but little is
known about how they acquire such knowledge. Here, we combined direct behavioural …

Individuals often produce alarm or mobbing calls when they detect a threat such as a
predator. Little is known about whether such calling is affected by the facial orientation of a …

Highlights•Alarm call structure is affected by an individual's social network position.•Socially
isolated marmots (lower instrength) produce noisier alarm calls.•Social relationships may …

Highlights•Alarm call structure is affected by an individual's social network position.•Socially
isolated marmots (lower outstrength) produce noisier alarm calls.•Social relationships may …

The risk of death by predation has been a major driver of group living in many prey animals.
Animals must adapt to temporal and spatial variation in predation risk and would benefit …

In passerines, song serves as a vital component of communication, either to solicit a mate or
defend a territory. In the presence of a predator, however, vocal communication can be …