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The desert kangaroo rat (Dipodomys deserti) is a rodent species in the family Heteromyidae that is found in desert areas of southwestern North America. [2] It is one of the large kangaroo rats, with a total length greater than 12 inches (300 mm) and a mass greater than 3.2 ounces (91 g). [3] [clarification needed]
Kangaroo rats, small mostly nocturnal rodents of genus Dipodomys, are native to arid areas of western North America.The common name derives from their bipedal form. They hop in a manner similar to the much larger kangaroo, but developed this mode of locomotion independently, like several other clades of rodents (e.g., dipodids and hopping mice).
Sleep can follow a physiological or behavioral definition. In the physiological sense, sleep is a state characterized by reversible unconsciousness, special brainwave patterns, sporadic eye movement, loss of muscle tone (possibly with some exceptions; see below regarding the sleep of birds and of aquatic mammals), and a compensatory increase following deprivation of the state, this last known ...
Male kangaroos bulk up the same way humans do, through diet and exercise. Not only do the males gain strength from playful sparring matches, but they also engage in other muscle-building exercises ...
The word kangaroo derives from the Guugu Yimithirr word gangurru, referring to eastern grey kangaroos. [14] [15] The name was first recorded as "kanguru" on 12 July 1770 in an entry in the diary of Sir Joseph Banks; this occurred at the site of modern Cooktown, on the banks of the Endeavour River, where HMS Endeavour under the command of Lieutenant James Cook was beached for almost seven weeks ...
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The unequivocal oldest known metatherians are now 110 million years old fossils from western North America. [76] Metatherians were widespread in North America and Asia during the Late Cretaceous, but suffered a severe decline during the end-Cretaceous extinction event. [77] Cladogram from Wilson et al. (2016) [78]
Many Matschie's thrive in captivity and maintain healthy lives interacting with one another. The numbers of tree-kangaroos in captivity in North America have been recorded over the years, and in 1997, the Matschie's tree-kangaroos' population reached a maximum of 90 animals, but it has declined to 53 in the past few years in these conservation ...