Swarm

A swarm is a big group of animals. The term is usually used for insects, but other animals such fish and birds can make a swarm also. A good example of animals that swarm are locusts. Mammals do not build swarms, but herds.

Swarm Media

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  A flock of auklets exhibit swarm behaviour

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  Flocking birds are an example of self-organization in biology

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  Linear cluster of Ampyx priscus
• Swarm of nematocera, flying around a treetop

• A swarm of weaver ants (Oecophylla smaragdina) transporting a dead gecko

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  Bee swarm on a tree. Taken in Victoria, Australia in February 2008

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  A 19th century depiction of a swarm of desert locusts

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  Cluster of monarch butterflies. Monarch butterflies migrate to Santa Cruz, California, where they overwinter

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  Large bird typically migrate in V echelon formations. There are significant aerodynamic gains. All birds can see ahead, and towards one side, making a good arrangement for protection.

• Flock of common starlings (Sturnus vulgaris) above Rome.