Ontology highlight
ABSTRACT:
SUBMITTER: Ginelli F
PROVIDER: S-EPMC4611628 | biostudies-literature | 2015 Oct
REPOSITORIES: biostudies-literature
Ginelli Francesco F Peruani Fernando F Pillot Marie-Helène MH Chaté Hugues H Theraulaz Guy G Bon Richard R
Proceedings of the National Academy of Sciences of the United States of America 20150928 41
Among the many fascinating examples of collective behavior exhibited by animal groups, some species are known to alternate slow group dispersion in space with rapid aggregation phenomena induced by a sudden behavioral shift at the individual level. We study this phenomenon quantitatively in large groups of grazing Merino sheep under controlled experimental conditions. Our analysis reveals strongly intermittent collective dynamics consisting of fast, avalanche-like regrouping events distributed o ...[more]