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Merriam's kangaroo rats obtain enough water from the metabolic oxidation of the seeds they eat to survive and do not need to drink water at all. [11] To help conserve water they produce very concentrated urine, via a process apparently associated with expression of aquaporin 1 along a longer than usual segment of the descending limb of the loop ...
Merriam's kangaroo rat (Dipodomys merriami) is a species of rodent in the family Heteromyidae. [2] The species name commemorates Clinton Hart Merriam . It is found in the Upper and Lower Sonoran life zones of the southwestern United States , Baja California , and northern Mexico .
A single Ord's kangaroo rat may make tens to hundreds of caches, each with tens to hundreds of seeds. [33] Kangaroo rats are physiologically adapted to arid environments. Most water is obtained from seeds and succulent plants. They drink water when it is available, but apparently do not require free water. [19] [34]
The kangaroo rats, kangaroo mice and pocket mice are adapted for life in deserts and other arid environments where they largely feed on dry seeds. Kangaroo rats have no need to drink because they are able to extract sufficient water from metabolising their food, obtaining half a gram of water from each gram of seeds eaten.
The Santa Cruz kangaroo rat, more closely related to chipmunks and gophers than kangaroos or rats, had not been spotted in the area since the 1940s. The Santa Cruz kangaroo rat, more closely ...
Dipodomyinae is the sister group of a Perognathinae-Heteromyinae clade; the two are estimated to have split about 22-24 million years ago.The most recent common ancestor of extant dipodomyines is thought to have lived 15-16 Ma ago, when the two genera split.
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Mouse Rat, the fictional “Parks and Recreation” band led by Chris Pratt’s character Andy Dwyer, will release a real-life record, titled “The Awesome Album.” The band’s social media ...