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Dracunculus medinensis (Guinea worm, dragon worm, fiery serpent[1]) is a nematode that causes dracunculiasis, also known as guinea worm disease. [2] The disease is caused by the female [3] which, at around 80 centimetres (31 inches) in length, [4] is among the longest nematodes infecting humans. [5] The length of specimens exhibits extreme ...
Dracunculiasis, also called Guinea-worm disease, is a parasitic infection by the Guinea worm, Dracunculus medinensis. A person becomes infected by drinking water contaminated with Guinea-worm larvae that reside inside copepods (a type of small crustacean). Stomach acid digests the copepod and releases the Guinea worm, which penetrates the ...
Egg incubation is the process by which an egg, of oviparous (egg-laying) animals, develops an embryo within the egg, after the egg's formation and ovipositional release. Egg incubation is done under favorable environmental conditions, possibly by brooding and hatching the egg. Multiple and various factors are vital to the incubation of various ...
The helmeted guineafowl (Numida meleagris) is the best known of the guineafowl bird family, Numididae, and the only member of the genus Numida. It is native to Africa, mainly south of the Sahara, and has been widely introduced, as a domesticated species, into the West Indies, North America, Colombia, Brazil, [ 2 ] Australia and Europe.
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Rothschild, 1907. Ornithoptera alexandrae, the Queen Alexandra's birdwing, is the largest species of butterfly in the world, with females reaching wingspans slightly in excess of 25 to 28 cm (10 to 11 in). [4][5] This birdwing is restricted to the forests of the Oro Province in eastern Papua New Guinea. The species is endangered and one of only ...
Guineafowl (/ ˈɡɪnifaʊl /) (or guineahen) are birds of the family Numididae in the order Galliformes. They are endemic to Africa and rank among the oldest of the gallinaceous birds. Phylogenetically, they branched off from the core Galliformes after the Cracidae (chachalacas, guans, and curassows) and before the Odontophoridae (New World ...
Following the gestation period, a single, rubbery-skinned egg [23] between 13 and 17 mm (0.5 and 0.7 in) in diameter and 1.5 and 2.0 g (0.053 and 0.071 oz) in weight [102] is laid from her cloaca directly into a small, backward-facing pouch that has developed on her abdomen. The egg is ovoid, leathery, soft, and cream-coloured.