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The rut (from the Latin rugire, meaning "to roar") is the mating season of certain mammals, which includes ruminants such as deer, sheep, camels, goats, pronghorns, bison, giraffes and antelopes, and extends to others such as skunks and elephants.
The estrous cycle (from Latin oestrus 'frenzy', originally from Ancient Greek οἶστρος (oîstros) 'gadfly') is a set of recurring physiological changes induced by reproductive hormones in females of mammalian subclass Theria. [1]
They have one opening for excretion and reproduction called the cloaca. They hold the eggs internally for several weeks, providing nutrients, and then lay them and cover them like birds . Like marsupial " joeys ", monotreme " puggles " are larval and fetus-like, [ 9 ] as like them they cannot expand their torso due to the presence of epipubic ...
By the autumn of their second year, females can produce one and, very rarely, two offspring. Reproduction is most common when cows weigh at least 200 kilograms (440 lb). [36] Dominant bulls follow groups of cows during the rut from August into early winter. A bull will defend his harem of 20 cows or more from competing bulls and predators.
Giant otter shrews breed during the wet/rainy season. They give birth to one or two young per litter, once or twice a year. Males move long distances via water in search of mates and it is thought that males rut (or fight) during the wet season. [4]
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Wildebeest do not form permanent pair bonds and during the mating season, or rut, the males establish temporary territories and try to attract females into them. These small territories are about 3,000 square metres (32,000 sq ft; 0.74 acres), with up to 300 territories per 1 square kilometre (0.39 sq mi; 250 acres).
Rump patches differ between the sexes, with the white rump patches heart-shaped on females and kidney-shaped on males. Males may also bark or make a low grunting noise. Does (the females) make a high-pitched "pheep" whine to attract males during the rut (breeding season) in July and August. Initially the female goes looking for a mate and ...