Cooperative groups are ubiquitous in animals, as are the challenges of allocating labor to
accomplish cooperative tasks, including territory defense, hunting, and brood care …

Purpose This study aims to reveal the effect of comment interactions on video engagement
of users in video-sharing platforms. Design/methodology/approach The authors collected …

The evolution of cooperative behavior is a major area of research among evolutionary
biologists and behavioral ecologists, yet there are few estimates of its heritability or its …

The demands of raising dependent young can influence the feeding behaviors of social
carnivores, especially for individuals that are primarily responsible for provisioning young …

Cooperative breeding, where more than two individuals invest in rearing a single brood,
occurs in many bird species globally and often contributes to improved breeding outcomes …

For social groups to form and be stable over time, animals must develop strategies to cope
with conflict among group members. Animals may behave submissively either by fleeing …

Groups of animals often cooperate on shared tasks, but individual contributions are not
necessarily equal: individuals can specialize on different tasks (division of labour) or vary in …

Group living is widespread across diverse taxa, and the mechanisms underlying collective
decision-making in contexts of variable role division are critical for understanding the …

Highlights•Contributions to different tasks are often positively correlated in helpers.•The
correlations were partially positive in the naked mole-rat.•Age-or size-based polyethisms …

In some mammals, and particularly in cooperative breeding ones, successive bouts of
reproduction can overlap so that a female is often pregnant while still nurturing dependent …