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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.
Species name Family Region Vernacular name Status Aethopyga duyvenbodei: Nectariniidae: Sangihe island: Elegant sunbird: EN Gracula robusta: Sturnidae: North Sumatra
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]
The Orthoptera Species File (September 2021) lists the following subfamilies of Acrididae. The numbers of genera and species are approximate and may change over time. Acridinae MacLeay, 1821 (140 genera, 470 species), Worldwide: temperate and tropical; Calliptaminae Jacobson, 1905 (12 genera, 90 species), Africa, Europe, Asia
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.
The species is facing an extremely high risk of extinction in the wild. VU: Vulnerable: The species is facing a high risk of extinction in the wild. NT: Near threatened: The species does not meet any of the criteria that would categorise it as risking extinction but it is likely to do so in the future. LC: Least concern
A termite alate with shed wings from other alates on an interior window sill. Shedding of wings is associated with reproductive swarming. [91] Termites are often compared with the social Hymenoptera (ants and various species of bees and wasps), but their differing evolutionary origins result in major differences in life cycle. In the eusocial ...
Most endemic birds are in the Wallacea region of eastern Indonesia. Sulawesi supports twelve endemic bird genera. Of all Indonesian endemic birds, about sixty-one species are threatened: thirty-seven species are listed as vulnerable, twenty-three are endangered and eleven species are listed as critical on the IUCN Red List of Threatened Species.