Moving animal groups display remarkable feats of coordination. This coordination is largely
achieved when individuals adjust their movement in response to their neighbours' …

Social organisation in animals takes many forms. It includes assemblages of territorial
animals, dominance hierarchies and social groups, among other things. The basic tenet that …

Abstract All New World members of the whirligig beetle genus Dineutus Macleay, 1825 are
treated. The New World Dineutus are found to be composed of 18 species and 6 …

In the selfish herd hypothesis, prey animals move toward each other to avoid the likelihood
of being selected by a predator. However, many grouped animals move away from each …

The selfish herd hypothesis, as proposed by Hamilton (1971, Journal of Theoretical Biology,
31, 295–311), is a powerful hypothesis to explain emergent grouping behaviour by …

Aggregations of animals provide arguably the most dramatic sights in the natural world. One
reason for this is their scale: some animal aggregations can be truly huge. Krill swarms can …

Groups of animals sometimes coordinate their individual behaviours to produce an
emergent group response. Examples of these quorum responses include stampedes in …