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Artificial bee colony (ABC) algorithm is an optimization technique that simulates the foraging behavior of honey bees, and has been successfully applied to various practical problems [citation needed]. ABC belongs to the group of swarm intelligence algorithms and was proposed by Karaboga in 2005. A set of honey bees, called swarm, can ...
Swarm is the name of an open-source agent-based modeling simulation package, useful for simulating the interaction of agents (social or biological) and their emergent collective behaviour. Swarm was initially developed at the Santa Fe Institute in the mid-1990s, and since 1999 has been maintained by the non-profit Swarm Development Group .
The Marsican brown bear ( Ursus arctos arctos, [3] formerly Ursus arctos marsicanus ), also known as the Apennine brown bear, and orso bruno marsicano in Italian, is a critically endangered [4] population of the Eurasian brown bear, with a range restricted to the Parco Nazionale d'Abruzzo, Lazio e Molise, and the surrounding region in Italy.
The brown bear ( Ursus arctos) is a large bear native to Eurasia and North America. It is one of the largest land carnivorans, rivaled in size only by its closest relative, the polar bear, which is much less variable in size and slightly bigger on average. The brown bear is a sexually dimorphic species, as adult males average around 30% larger ...
Description. The Eurasian brown bear has brown fur, which ranges from yellowish-brown to dark brown, red-brown, and almost black in some cases; albinism has also been recorded. [4] The fur is dense to varying degrees and the hair can grow up to 10 cm (3.9 in) in length. The head normally is quite round and has relatively small rounded ears, a ...
Swarm behaviour. A flock of auklets exhibit swarm behaviour. 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 Ussuri brown bear ( Ursus arctos lasiotus ), also known as the Ezo brown bear, Russian grizzly bear, or the black grizzly bear, [3] is a subspecies of the brown bear or a population of the Eurasian brown bear ( U. a. arctos ). [which?] One of the largest brown bears, a very large Ussuri brown bear may approach the Kodiak bear in size. [4]
The Cantabrian brown bear can live for around 25–30 years in the wild. The bear measures between 1.6 and 2 m (5.2 and 6.6 ft) in length, and between 0.90 and 1 m (3.0 and 3.3 ft) at shoulder height. On average, females weigh 85 kg (187 lb), but can reach a weight of 150 kg (330 lb). Males average 115 kg (254 lb), though they can weigh as much ...
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