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All shrews are tiny, most no larger than a mouse. The largest species is the Asian house shrew (Suncus murinus) of tropical Asia, which is about 15 cm (6 in) long and weighs around 100 g (3 + 1 ⁄ 2 oz) [2] The Etruscan shrew (Suncus etruscus), at about 3.5 cm (1 + 3 ⁄ 8 in) and 1.8 grams (28 grains), is the smallest known living terrestrial mammal.
The long-nosed potoroo exhibits many morphological specializations such as an elongated pointed rostral region (nose), erect ears, large eyes, claws for digging, and long robust hind legs. [5] It is only a small marsupial, with a body length between 34 and 38 cm (13–15 in), and a semi-prehensile tail length of 15 to 24 cm (5.9–9.4 in).
The "venom" contained in the salival fluids of O. fulgidus is fast-acting on small animals, but has little to no effect on humans. Envenomation of human beings is rare, as the location and structure of the blunt teeth, at the rear of the mouth, requires the snake to willingly grab-hold and "chew-in" its toxic saliva (something most people will ...
The nose is short, yet it is pointy, and the eyes are relatively big. These mice also have a large infraorbital foramen . With the exception of the Aye-Aye , the meadow jumping mouse is the only mammal to have eighteen teeth with a dental formula of: 1/1, 0/0, 1/0, and 3/3.
The fennec fox (Vulpes zerda) is a small fox native to the deserts of North Africa, ranging from Western Sahara and Mauritania to the Sinai Peninsula. 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.
A red squirrel eating hazelnuts Underparts are generally white-cream-coloured Skull of a red squirrel. The red squirrel has a typical head-and-body length of 19 to 23 cm (7.5 to 9.1 in), a tail length of 15 to 20 cm (5.9 to 7.9 in), and a mass of 250 to 340 g (8.8 to 12.0 oz).
Echidnas are possibly named after Echidna, a creature from Greek mythology who was half-woman, half-snake, as the animal was perceived to have qualities of both mammals and reptiles. [citation needed] An alternative explanation is a confusion with Ancient Greek: ἐχῖνος, romanized: ekhînos, lit. 'hedgehog, sea urchin'. [5]
This animal has dark grey fur with lighter underparts, a pointed nose and a short, hairy tail. [7] It is about 15 centimeters (5.9 in) in length, including a 3-centimeter-long (1.2 in) tail, and weighs about 55 grams (1.9 oz). [7] Its front paws are broad and spade-shaped, specialized for digging. [8] It has 44 teeth.