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Captive giraffes in North America and Europe appear to have a higher mortality rate than in the wild, the most common causes being poor husbandry, nutrition, and management. [50]: 153 Giraffes in zoos display stereotypical behaviours, particularly the licking of inanimate objects and pacing.
The Antilocapridae are a family of ruminant artiodactyls endemic to North America. Their closest extant relatives are the giraffids. [1] Only one species, the pronghorn (Antilocapra americana), is living today; all other members of the family are extinct. The living pronghorn is a small ruminant mammal resembling an antelope.
The Cheyenne Mountain Zoo in Colorado Springs, Colorado is said to have the largest reticulated giraffe herd in North America. [14] Reticulated and Rothschild's giraffes have been bred together in the past. This was done because it was thought that the giraffe subspecies interbred in the wild. However, research published in 2016 found that they ...
During the Pleistocene epoch, about 11 other antilocaprid species existed in North America, many with long or spectacularly-twisted horns. [8] Three other genera (Capromeryx, [9] [10] Stockoceros [11] [12] and Tetrameryx [13]) existed when humans entered North America but are now extinct. The pronghorn's closest living relatives are the giraffe ...
The Giraffidae are a family of ruminant artiodactyl mammals that share a recent common ancestor with deer and bovids.This family, once a diverse group spread throughout Eurasia and Africa, presently comprises only two extant genera, the giraffe (between one and eight, usually four, species of Giraffa, depending on taxonomic interpretation) and the okapi (the only known species of Okapia).
It is commonly found in the United States. [4] [5] ... giraffe spots, ... There are few other lookalikes in North America. [7]
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Asian and American tapirs were believed to have diverged around 20 to 30 million years ago; and tapirs migrated from North America to South America around 3 million years ago, as part of the Great American Interchange. [39] Perissodactyls were the dominant group of large terrestrial browsers right through the Oligocene.