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The long-eared jerboa (Euchoreutes naso) [2] is a nocturnal mouse-like rodent with a long tail, long hind legs for jumping, and exceptionally large ears. It is distinct enough that authorities consider it to be the only member of both its genus, Euchoreutes, and subfamily, Euchoreutinae. Long-eared jerboas are found in the Palearctic ecozone.
The tail of a jerboa can be longer than its head and body, and a white cluster of hair is commonly seen at the end of the tail. Jerboas use their tails to balance when hopping, and as a prop when sitting upright. Jerboa fur is fine, and usually the colour of sand. This colour usually matches the jerboa habitat (an example of cryptic colouration).
Like other jackrabbits, the black-tailed jackrabbit has distinctive long ears, and the long powerful rear legs characteristic of hares.Reaching a length about 2 ft (61 cm), and a weight from 3 to 6 lb (1.4 to 2.7 kg), the black-tailed jackrabbit is the third-largest North American jackrabbit, after the antelope jackrabbit and the white-tailed jackrabbit.
Its front legs grow to be 10 to 20 cm (4 to 8 in) and the back legs can grow to be 20 to 30 cm (8 to 12 in) long. The antelope jackrabbit's ears grow to be 14–17 cm (6–7 in) and it can weigh up to 9 pounds (4.1 kg). [5] The species has a very large skull and a long rostrum. Its ears are extremely long with white on the point and edges.
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 ...
The animal’s tail is twice the length of its body, researchers said.
The tail is 3.0 to 6.0 cm (1.2 to 2.4 in), ears are 6 to 9 cm (2.4 to 3.5 in) long and the hindfeet are large, about 7 to 9 cm (2.8 to 3.5 in) in length. [9] There is little sexual dimorphism , but females tend to be larger than the males, but have much smaller home ranges , about 4,000 m 2 (1 acre) compared with about 61,000 m 2 (15 acres) for ...
Desert woodrats are relatively small for pack rats, measuring 28 to 39 cm (11 to 15 in) in length, including a 12 to 20 cm (4.7 to 7.9 in) tail. They weigh from 122 to 350 g (4.3 to 12.3 oz), with males being larger than females. Their coloring varies between individuals, and can be anything from pale gray to cinnamon to near-black.