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The cheek pouch is a specific morphological feature that is evident in particular subgroups of rodents (e.g. Heteromyidae and Geomyidae, or gopher), yet a common misconception is that certain families, such as Muridae (including the common black and brown rats), contain this structure when in fact their cheeks are merely elastic due to a high ...
Perognathinae is a subfamily of rodents consisting of two genera of pocket mice.Most species live in complex burrows within the deserts and grasslands of western North America, They feed mostly on seeds and other plant parts, which they carry in their fur-lined cheek pouches [2] to their burrows.
Pouched rats are found throughout much of sub-Saharan Africa with the exception of southern Africa. They are characterized by having large cheek pouches and a distinctive molar morphology. The molars are very similar to the type seen in the subfamily Murinae, but pouched rats probably evolved this similarity through convergent evolution.
The name "pouched rat" refers to their large cheek pouches. The species are: Image Common name Scientific name ... was a Gambian pouched rat. [7] References
The southern giant pouched rat is a large rodent, with males larger than females. Adult males typically weigh 1.5 to 2.0 kg (3.3 to 4.4 lb), while females weigh 1.2 to 1.6 kg (2.6 to 3.5 lb). The pouches for which these rats are named consist of oversized cheek-pouches.
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 .
Gophers are burrowing rodents of the family Geomyidae, characterized by fur-lined, external cheek pouches used to gather and transport food. [41] The cheek pouches of geomyids such as the camas pocket gopher are controlled by a set of muscles, [ 42 ] with a sphincter controlling the opening and closing of the pouch.
The plains pocket gopher (Geomys bursarius) is one of 35 species of pocket gophers, so named in reference to their externally located, fur-lined cheek pouches.They are burrowing animals, found in grasslands and agricultural land across the Great Plains of North America, from Manitoba to Texas.
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