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The current IUCN taxonomic scheme lists one species of giraffe with the name G. camelopardalis and nine subspecies. [1] [7] A 2021 whole genome sequencing study suggests the northern giraffe as a separate species, and postulates the existence of three distinct subspecies, [8] and more recently, one extinct subspecies.
The coat patterns of modern giraffes may also have coincided with these habitat changes. Asian giraffes are hypothesised to have had more okapi-like colourations. [6] The giraffe genome is around 2.9 billion base pairs in length, compared to the 3.3 billion base pairs of the okapi. Of the proteins in giraffe and okapi genes, 19.4% are identical.
Two bull giraffes drinking. Their mostly convex spots with irregular incisions are typical of the South African subspecies. The South African giraffe has dark, somewhat rounded patches "with some fine projections" on a tawny background colour. The spots extend down the legs and get smaller. The median lump of males is less developed. [5]: 52
Giraffes are known for their peaceful nature and their preference for living together in close family social groups. Although they rarely fight with each other, there are times when two male ...
Gemina lived an almost-normal life for a zoo giraffe, [2] except that she had to be fed separately; her keepers noted that her tongue was shorter than those of the other giraffes, and she did not have peripheral vision to the same extent that normal giraffes do.
At several zoos, Masai giraffe cows have become pregnant and successfully given birth. [20] Masai giraffes can suffer from giraffe skin disease, which is a disorder of unknown etiology that causes lesion on the forelimbs. This disorder is being further investigated to better understand mortality in this species. [21]
The mammals were traditionally thought to have little or no social structure. Skip to main content. News. 24/7 help. For premium support please call: 800-290-4726 more ways to reach us ...
The number of giraffes has decreased by nearly 30% since the 1980s, per the Giraffe Conservation Foundation Giraffes Need Protections of Endangered Species Act After Declining Numbers, U.S ...