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The class Mammalia is divided into two subclasses based on reproductive techniques: egg-laying mammals (yinotherians or monotremes - see also Australosphenida), and mammals which give live birth . The latter subclass is divided into two infraclasses: pouched mammals ( metatherians or marsupials ), and placental mammals ( eutherians , for which ...
DNA evidence supports this hypothesis, and the small modern hyraxes share numerous features with elephants, such as toenails, excellent hearing, sensitive pads on their feet, small tusks, good memory, higher brain functions compared with other similar mammals, and the shape of some of their bones.
The small five-toed jerboa (Scarturus elater) is a rodent of the family Dipodidae and genus Scarturus, that has five digits. [ 1 ] [ 2 ] They are hopping rodents of the rocky deserts in Asia. [ 1 ] They have been found in Afghanistan , Armenia , Azerbaijan , China , Georgia , Iran , Kazakhstan , Pakistan , Russia , Tajikistan , Turkey , and ...
Monotremes (/ ˈ m ɒ n ə t r iː m z /) are mammals of the order Monotremata. They are the only group of living mammals that lay eggs, rather than bearing live young. The extant monotreme species are the platypus and the four species of echidnas. Monotremes are typified by structural differences in their brains, jaws, digestive tract ...
Desert monitors lay 10-20 eggs in a clutch. Females, ... The preferred prey of the species is mice, eggs, or fish, but it will also prey on other small mammals ...
The dusky hopping mouse, or Wilkinti, [2] [3] is a mammal in the order Rodentia, and suborder Sciurognathi. The species is in the family Muridae and the subfamily Murinae (includes all Australian native rats and mice). The dusky hopping mouse belongs to the genus Notomys, a group of desert-dwelling rodents. [4]
Though desert birds lack sweat glands, they can still take advantage of evaporative cooling by panting, which cools the trachea and lungs, and gular flapping, which consists of rapidly fluttering the gular skin to move air over the inner mouth and throat. [11] Kangaroo rats and other small mammals use evaporative cooling in a similar way.
Its most distinctive feature is its unusually large ears, which serve to dissipate heat and listen for underground prey. The fennec is the smallest fox species. Its coat, ears, and kidney functions have adapted to the desert environment with high temperatures and little water. The fennec fox mainly eats insects, small mammals and birds. It has ...