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Swarm behaviour, or swarming, is a collective behaviour exhibited by entities, particularly animals, of similar size which aggregate together, perhaps milling about the same spot or perhaps moving en masse or migrating in some direction. It is a highly interdisciplinary topic.
The wildlife trade has had a detrimental effect on Indonesia's fauna, including rhinoceroses, orangutans, tigers, elephants, and certain species of amphibians. [30] Up to 95% of animals sold in markets are taken directly from the wild, rather than from captive breeding stock; and more than 20% of the animals died in transportation. [31]
There are parallels with the shoaling behaviour of fish, the swarming behaviour of insects, and herd behaviour of land animals. During the winter months, starlings are known for aggregating into huge flocks of hundreds to thousands of individuals, murmurations, which when they take flight altogether, render large displays of intriguing swirling patterns in the skies above observers.
Wildebeest have developed additional sophisticated cooperative behaviours, such as animals taking turns sleeping while others stand guard against a night attack by invading predators. Wildebeest migrations are closely followed by vultures , as wildebeest carcasses are an important source of food for these scavengers.
Some dipteran larvae are leaf-miners. The larvae of many brachyceran families are predaceous. In many dipteran groups, swarming is a feature of adult life, with clouds of insects gathering in certain locations; these insects are mostly males, and the swarm may serve the purpose of making their location more visible to females. [34]
This is a list of mammals in Indonesia. It is derived from the IUCN Red List and includes those mammals that have been extinct since 1500. The following tags are used to highlight each species' conservation status:
Species name Family Region Vernacular name Status Aethopyga duyvenbodei: Nectariniidae: Sangihe island: Elegant sunbird: EN Gracula robusta: Sturnidae: North Sumatra
The pharaoh ant (Monomorium pharaonis) is a small (2 mm) yellow or light brown, almost transparent ant notorious for being a major indoor nuisance pest, especially in hospitals. [1]