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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]
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 ...
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.
Species name Family Region Vernacular name Status Aethopyga duyvenbodei: Nectariniidae: Sangihe island: Elegant sunbird: EN Gracula robusta: Sturnidae: North Sumatra
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
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
The avifauna of Indonesia include a total of 1809 species, of which 786 are endemic, and 3 have been introduced by humans. 150 species are globally threatened. This list's taxonomic treatment (designation and sequence of orders, families and species) and nomenclature (common and scientific names) follow the conventions of The Clements Checklist ...