In the last decades, the assumption that complex social life is cognitively challenging, and
thus can drive mental evolution, has received much support from empirical studies in …

Various types of long-term stable relationships that individuals uphold, including
cooperation and competition between group members, define social complexity in …

Die uralte Beziehung zwischen Mensch und Tier hat in jüngerer Zeit durch den Einsatz von
Tieren in Therapie und Pädagogik neues Interesse geweckt. Tiergestützte Interventionen …

Waterbirds disperse plant seeds within and between aquatic and terrestrial ecosystems in
their faeces. However, seed dispersal distances, connectivity among habitat types, and …

The influence of fission-fusion dynamics, ie, temporal variation in group size and
composition, on social complexity has been studied in large-brained mammals that rely on …

Summary Thousands of species migrate [1]. Though we have some understanding of where
and when they travel, we still have very little insight into who migrates with whom and for …

Exploring how flocks of soaring migrants manage to achieve and maintain coordination
while exploiting thermal updrafts is important for understanding how collective movements …

The Barnacle Goose, a distinctive, handsome black-and-white bird, gets its name from a
mediaeval myth that the birds hatched from barnacles–how else to explain their sudden …

Cues to individuality, and the corresponding capacity for individual-level discrimination, can
allow individually specific investment by conspecifics into offspring, partners, neighbors or …

Highlights•Personality of both parents and their similarity in personality can affect
fitness.•Greylag geese were not assortatively paired for personality at the flock …