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The pronghorn's closest living relatives are the giraffe and okapi. [14] The Antilocaprids are part of the infraorder Pecora, making them distant relatives of deer, bovids, and moschids. The pronghorn is the fastest land mammal in the Americas, with running speeds of up to 88.5 km/h (55 mph). It is the symbol of the American Society of ...
1.2 The level of development at birth. 1.3 Environmental factor. 2 See also. 3 References. Toggle References subsection. ... Pronghorn (Antilocapra americana) 246 [2]
One North American mammal, the pronghorn or "pronghorn antelope", is colloquially referred to as the "American antelope", despite the fact that it belongs to a completely different family (Antilocapridae) than the true Old-World antelopes; pronghorn are the sole extant member of an extinct prehistoric lineage that once included many unique species.
So is the claim that there are more pronghorns than humans in Wyoming false, or is the pronghorn population number low?--129.72.152.165 20:42, 27 June 2008 (UTC) Actually, the "entire" pronghorn population given on the main page is incorrect, it should show that the total population of pronghorn is approximately 1,000,000 (400,000 to 450,000 in ...
Females leave the herd to give birth to single fawns after a five- to six-month gestation period. [25] Birthing predominantly occurs after the rainy season, with newborn fawns weighing 2 to 3 kg (4.4 to 6.6 lb). [26] They give birth twice yearly with one or two fawns. [18]
A marsupial has a short gestation period, typically shorter than its estrous cycle, and gives birth to an underdeveloped newborn that then undergoes further development; in many species, this takes place within a pouch-like sac, the marsupium, located in the front of the mother's abdomen.
Though most common hippos give birth in water, pygmy hippos can also give birth on land. A female baby pygmy hippopotamus was born at the Metro Richmond Zoo in Virginia on Dec. 9, 2024.
For most species, the amount a fetus grows before birth determines the length of the gestation period. Smaller species normally have a shorter gestation period than larger animals. [ 2 ] For example, a cat's gestation normally takes 58–65 days while an elephant's takes nearly 2 years (21 months). [ 3 ]