Behavioral Biology

Blue tits that often foraged together during winter were more likely to end up as breeding pairs or as extra-pair partners, whereby bonds between future breeding partners seem to establish earlier in winter than those between future extra-pair partners. more

Iain Couzin from the Max Planck Institute for Animal Research on the causes of the locust plague in East Africa more

Arriving early in the breeding area is crucial for successful reproduction also in non-migratory birds more

African grey parrots spontaneously help conspecifics without obvious benefits to themselves more

Mothers may be shaping pre-adult growth and offspring muscle mass even without direct provisioning more