How is an animal's internal life (i.e., its physiology and anatomy) integrated with its behavior? Sensory systems provide information from outside the animal that, when integrated, shape behavior.

Otters are playful creatures. They tussle, slide and have been filmed playing piano. But researchers wanted to know why a few species are known to "juggle" rocks—swiftly passing one or more stones ...

Instinctive mothering behavior towards care of newborns has long been recognized as a phenomenon in humans and animals, but now research has shown that motherhood is associated with the acquisition of ...

The purpose of this study was to investigate the distinct forms (i.e., physical and relational) and functions (i.e., proactive and reactive) of aggressive behavior during early childhood (n = 101; M ...