We sometimes perceive meaningful patterns or images in random arrangements of colors
and shapes. This phenomenon is called pareidolia and has recently been studied …

Primates have evolved to rapidly detect and respond to danger in their environment.
However, the mechanisms involved in attending to threatening stimuli are not fully …

Chimpanzees exhibit a variety of behaviours surrounding their dead, although much less is
known about how they respond towards conspecific skeletons. We tested chimpanzees' …

For primates, the ability to efficiently detect threatening faces is highly adaptive; however, it
is not clear exactly how faces are detected. This study investigated whether chimpanzees …

Social grooming is assumed to have both social and hygienic functions. In monkey species,
body site preferences during social grooming are related to both the dominance ranks of …

Previous studies have revealed that non-human primates can differentiate the age category
of faces. However, the knowledge about age recognition in non-human primates is very …

Nonhuman primates and other animals have been observed inspecting, protecting, retrievi
ng, carrying, or dragging the carcasses of their conspecifics for centuries, yet little scientific …

In many animal taxa (eg, birds and mammals), infants can be reliably distinguished from
adults by their appearance. For example, they are smaller than adults and clumsier in …

Primates have evolved to rapidly detect and respond to danger in their environment. Two of
the most evolutionary relevant threatening stimuli are snakes and threatening faces …

マーモセットのような群れでの共同養育をおこなう種から, オランウータンのように母親だけが養育を
おこないアロペアレンティングがほとんど見られない種まで, 霊長類の養育行動の発現の仕方は …