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[94] [98] Giraffes are not territorial, [17] but they have home ranges that vary according to rainfall and proximity to human settlements. [99] Male giraffes occasionally roam far from areas that they normally frequent. [32]: 329 Early biologists suggested giraffes were mute and unable to create enough air flow to vibrate their vocal folds. [100]
Domestication has been defined as "a sustained multi-generational, mutualistic relationship in which one organism assumes a significant degree of influence over the reproduction and care of another organism in order to secure a more predictable supply of a resource of interest, and through which the partner organism gains advantage over individuals that remain outside this relationship ...
Edward Hitchcock's fold-out paleontological chart in his 1840 Elementary Geology. Although tree-like diagrams have long been used to organise knowledge, and although branching diagrams known as claves ("keys") were omnipresent in eighteenth-century natural history, it appears that the earliest tree diagram of natural order was the 1801 "Arbre botanique" (Botanical Tree) of the French ...
The sauropods and giraffes independently evolved long necks. [72] The horned snouts of ceratopsian dinosaurs like Triceratops have also evolved several times in Cenozoic mammals: rhinos, brontotheres, Arsinoitherium, and Uintatherium. [73] Rhynchosaur teeth resemble that of the extant rodents.
A giraffe named Twiga who died over the weekend at an East Texas zoo at the age of 31 was among the oldest giraffes being cared for by humans. Twiga was found dead Saturday morning at the Ellen ...
The giraffe heard the call of its people. ... It must've seen another baby (albeit a human one) and wanted to get a good look! The footage was just the sweetest thing. The two babies found each other!
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).
Here's an interesting fact about giraffes: they don't need much sleep. They sleep about 4-1/2 hours a day in 30-minute cycles. Baby giraffes sleep a bit more and depend on their mothers for ...