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The aardvark has a long, thin, snakelike, protruding tongue (as much as 30 centimetres (12 in) long) [6] and elaborate structures supporting a keen sense of smell. [30] The ears, which are very effective, [6] are disproportionately long, about 20–25 centimetres (7.9–9.8 in) long. [22] The eyes are small for its head, and consist only of ...
They have long hind legs, with four toes on each foot, and shorter fore legs, with five toes each. The soles of their feet are hairy, to improve grip while running, and they have strong claws on all of their toes. Leporids also have distinctive, elongated and mobile ears, and they have an excellent sense of hearing.
Common characteristics of modern bears include large bodies with stocky legs, long snouts, small rounded ears, shaggy hair, plantigrade paws with five nonretractile claws, and short tails. While the polar bear is mostly carnivorous , and the giant panda is mostly herbivorous , the remaining six species are omnivorous with varying diets.
Their toe pads are connected by a hairless web. They have the longest tail in the bear family, which can grow to 15–18 cm (6–7 in). [24] Their back legs are not very strong, though they are knee-jointed, and allow them to assume almost any position. [29] The ears are very large and floppy. The sloth bear is the only bear with long hair on ...
Species vary in size from 40 to 70 cm (16 to 28 in) in length and have long powerful back legs, and ears up to 20 cm (8 in) in length. Although usually greyish-brown, some species turn white in the winter. They are solitary animals. Newborns are precocial (eyes and ears open, fully furred).
[47] [49] The ears are rounded and the eyes have a round pupil. [47] The snout ends in a triangular, pink tip with small black dots, the number of which increase with age. [ 50 ] The tiger's skull is robust, with a constricted front region, proportionally small, elliptical orbits , long nasal bones and a lengthened cranium with a large sagittal ...
The backs of the ears are brown with a silvery-grey spot at the centre. [2] Black tufts around 4 cm (1.6 in) in length emerge from the tips of the ears, which are lined with black fur. [22] In winter, the hair on the lower cheek becomes longer, giving the impression of a ruffle covering the throat. There are four nipples. [15] [25]
Marsupials have the typical characteristics of mammals—e.g., mammary glands, three middle ear bones, (and ears that usually have tragi, [3] varying in hearing thresholds [4]) and true hair. [5] There are, however, striking differences as well as a number of anatomical features that separate them from eutherians .