The occurrence of cooperation poses a problem for the biological and social sciences.
However, many aspects of the biological and social science literatures on this subject have …

The domestic cat is the only member of the Felidae to form social relationships with humans,
and also, the only small felid to form intraspecific social groups when free ranging. The latter …

Somewhere in Africa, more than a million years ago, a line of apes began to rear their young
differently than their Great Ape ancestors. From this new form of care came new ways of …

Despite the depiction of nature" red in tooth and claw", cooperation is actually widespread in
the animal kingdom. Various types of cooperative behaviors have been documented in …

With only 5,000 surviving, the African wild dog (Lycaon pictus) is one of the world's most
endangered large carnivores--and one of the most remarkable. This comprehensive portrait …

Some individuals (helpers) in cooperatively breeding species provide alloparental care and
often suppress their own reproduction. Kin selection is clearly an important explanation for …

1. In social mammals where group members cooperate to detect predators and raise young,
members of small groups commonly show higher mortality or lower breeding success than …

Infectious disease emergence has increased significantly over the last 30 years, with mass
mortality events (MMEs) associated with epizootics becoming increasingly common. Factors …

Humans stand out among the apes by having both an extremely large brain and a relatively
high reproductive output, which has been proposed to be a consequence of cooperative …

Communal nesting, the sharing of parental responsibilities between multiple individuals in a
nest, is common in many rodents. Upon first glance, this behaviour seems to be selectively …