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Macrotis means 'big-eared' (macro-+ ōt-'ear') in Greek, referring to the animal's large, long ears. [4] The genus name was first proposed as a subgeneric classification, which after a century of taxonomic confusion was eventually stabilised as the accepted name in a 1932 revision by Ellis Troughton. In reviewing the systematic arrangement of ...
Domestication syndrome refers to two sets of phenotypic traits that are common to either domesticated plants [1] [2] or domesticated animals. [3] Domesticated animals tend to be smaller and less aggressive than their wild counterparts; they may also have floppy ears, variations to coat color, a smaller brain, and a shorter muzzle.
Asian males can have tusks as long as Africans', but they are usually slimmer and lighter; the largest recorded was 302 cm (9 ft 11 in) long and weighed 39 kg (86 lb). Hunting for elephant ivory in Africa [58] and Asia [59] has resulted in an effective selection pressure for shorter tusks [60] [61] and tusklessness. [62] [63]
Elephants have giant, floppy ears because they regulate body Alongside their long trunks, an elephant’s big ears are the first thing we see. These large ears easily give elephants a commanding ...
Tusks are generally curved and have a smooth, continuous surface. The male narwhal's straight single helical tusk, which usually grows out from the left of the mouth, is an exception to the typical features of tusks described above. Continuous growth of tusks is enabled by formative tissues in the apical openings of the roots of the teeth. [2] [3]
Its long ears have longitudinal reddish stripes on the back and are so densely haired inside that the external auditory meatus is not visible. [16] The edges of the ears are whitish, but darker on the back. The ear to body ratio is the greatest in the canid family and likely helps in dissipating
Compared to bandicoots, they have a longer tail, bigger ears, and softer, silky fur. The size of their ears allows them to have better hearing as well. At 1 to 2.4 kilograms (2.2 to 5.3 lb), the male is about the same size as a rabbit; although male animals in good condition have been known to grow up to 3.7 kilograms (8.2 lb) in captivity. The ...
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