Comparative psychologists interested in the evolution of intelligence have focused their
attention on social primates, whereas birds tend to be used as models of associative …

Cognition is defined as the processes by which animals collect, retain and use information
from their environment to guide their behaviour. Thus cognition is essential in a wide range …

When published in 1980, Benjamin B. Beck's Animal Tool Behavior was the first volume to
catalog and analyze the complete literature on tool use and manufacture in non-human …

The ability to use tools has been suggested to indicate advanced physical cognition in
animals. Here we show that rooks, a member of the corvid family that do not appear to use …

Despite numerous attempts to define animal tool use over the past four decades, the
definition remains elusive and the behaviour classification somewhat subjective. Here, we …

The sight of an animal making and using a tool captivates scientists and laymen alike,
perhaps because it forces us to question some of our ideas about human uniqueness. Does …

The hypothesis that large brains allow animals to produce novel behaviour patterns is
supported by the correlation between brain size, corrected for body size, and the frequency …

The extent of (in) equality is highly diverse across species of social mammals, but we have a
poor understanding of the factors that produce or inhibit equitable social organizations …

Intelligence is suggested to have evolved in primates in response to complexities in the
environment faced by their ancestors. Corvids, a large‐brained group of birds, have been …

The evolution of migration in birds remains an outstanding, unresolved question in
evolutionary ecology. A particularly intriguing question is why individuals in some species …