We review the observations and the basic laws describing the essential aspects of collective
motion—being one of the most common and spectacular manifestation of coordinated …

We review theoretical models of individual motility as well as collective dynamics and
pattern formation of active particles. We focus on simple models of active dynamics with a …

Migration, broadly defined as directional movement to take advantage of spatially distributed
resources, is a dramatic behaviour and an important component of many life histories that …

Nutrition has long been considered more the domain of medicine and agriculture than of the
biological sciences, yet it touches and shapes all aspects of the natural world. The need for …

The remarkable collective action of organisms such as swarming ants, schooling fish and
flocking birds has long captivated the attention of artists, naturalists, philosophers and …

Locusts and grasshoppers (Orthoptera: Acridoidea) are among the most dangerous
agricultural pests. Their control is critical to food security worldwide and often requires …

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 …

Biofilms are densely packed communities of microbial cells that grow on surfaces and
surround themselves with secreted polymers. Many bacterial species form biofilms, and their …

Publisher Summary This chapter updates former reviews on locust polyphenism and also
discusses recent findings. Over 200 articles were published in scientific journals on various …

Social organisms form striking aggregation patterns, displaying cohesion, polarization, and
collective intelligence. Determining how they do so in nature is challenging; a plethora of …