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Boids is an artificial life program, developed by Craig Reynolds in 1986, which simulates the flocking behaviour of birds, and related group motion. His paper on this topic was published in 1987 in the proceedings of the ACM SIGGRAPH conference. [ 1] The name "boid" corresponds to a shortened version of "bird-oid object", which refers to a bird ...
An eyespot (sometimes ocellus) is an eye -like marking. They are found in butterflies, reptiles, cats, birds and fish. Eyespots could be explained in at least three different ways. They may be a form of mimicry in which a spot on the body of an animal resembles an eye of a different animal, to deceive potential predator or prey species.
Ornithopter. Pteryx Skybird radio-controlled ornithopter. An ornithopter (from Greek ornis, ornith- 'bird' and pteron 'wing') is an aircraft that flies by flapping its wings. Designers sought to imitate the flapping-wing flight of birds, bats, and insects. Though machines may differ in form, they are usually built on the same scale as flying ...
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Whether birds, bees, butterflies or beneficial bugs, native critters prefer native plants, but many are opportunists that are willing to try new foods. Numerous studies show that both birds and ...
The yellow-naped amazon is distinguished by its green forehead and crown and a yellow band across the lower nape (back part of neck) and hindneck. The eyes are orange, beak is dark gray and is paler towards the base of the upper mandible. The feet are also dark gray. Yellow-naped amazons inhabit dry forest and mangrove habitat of the tropics ...
Jeffrey Glassberg is an American biologist and author. Following a distinguished academic career he pioneered and patented work in DNA Fingerprinting. Later he founded the North American Butterfly Association (NABA): 22–27 : 32 and is the leading proponent of moving interest in butterflies from hobbyist collecting and nets to butterflying with binoculars and cameras.
466. The Naturalist on the River Amazons, subtitled A Record of the Adventures, Habits of Animals, Sketches of Brazilian and Indian Life, and Aspects of Nature under the Equator, during Eleven Years of Travel, is an 1863 book by the British naturalist Henry Walter Bates about his expedition to the Amazon basin.
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