Female reproductive success varies with social rank in many gregarious mammals, including
primates, ungulates and carnivores. Social groups of spotted hyaenas ( Crocuta crocuta ) …

Spotted hyenas (Crocuta crocuta) are gregarious carnivores that defend group territories
against encroachment by neighboring conspecifics. Here we monitored the behavior of …

Innovative animals are those able to solve novel problems or invent novel solutions to existing
problems. Despite the important ecological and evolutionary consequences of innovation, …

Our aim was to identify natural and anthropogenic influences on the stress physiology of
large African carnivores, using wild spotted hyenas (Crocuta crocuta) as model animals. With …

Male spotted hyenas (Crocuta crocuta) reach puberty at 24 months of age and then
invariably emigrate from their natal clans 1 to 38 months later. Thus there are two classes of …

Despite considerable interest in the forces shaping the relationship between brain size and
cognitive abilities, it remains controversial whether larger-brained animals are, indeed, better …

Theory predicts that individuals living in fission–fusion societies, in which group members
frequently change subgroups, should modify grouping patterns in response to varying social …

Hunting group size, hunting rates and hunting success were monitored over a seven‐year
period among members of one large clan of spotted hyenas (Crocuta crocuta) inhabiting the …

We first review the suite of general problems mammals confront during their social development,
and then focus on the specific problem of how group-living mammals acquire their …

Coalitionary support in agonistic interactions represents cooperation because intervening in
a fight is potentially costly to the donor of support but benefits the recipient. Here, we first …