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Short-Beaked Echidna Video Stock Footage
Short-beaked echidnas are typically 30 to 45 cm (12 to 18 in) in length, with 75 mm (3 in) of snout, and weigh between 2 and 7 kg (4.4 and 15.4 lb). However, the Tasmanian subspecies, T. a. setosus, is smaller than its Australian mainland counterparts. Because the neck is not externally visible, the head and body appear to merge. The earholes are on either side of the head, with no external pinnae. The eyes are small, about 9 mm (0.4 in) in diameter and at the base of the wedge-shaped snout. The nostrils and the mouth are at the distal end of the snout the mouth cannot open wider than 5 mm (0.2 in). The body of the short-beaked echidna is, with the exception of the underside, face and legs, covered with cream-coloured spines. The spines, which may be up to 50 mm (2 in) long, are modified hairs, mostly made of keratin. Insulation is provided by fur between the spines, which ranges in colour from honey to a dark reddish-brown and even black the underside and short tail are also covered in fur. Colouration of the fur and spines varies with geographic location. For example, the spines of the Kangaroo Island subspecies (T. a. multiaculeatus) are more numerous, longer, thinner, and paler in colour than those of the other subspecies. The echidna's fur may be infested with what is said to be the world's largest flea, Bradiopsylla echidnae, which is about 4 mm (0.16 in) long. The limbs of the short-...
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