Dictionary of Human Evolution and Biology

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Loris Tardigradus

Slender loris; six subspecies recognized; currently a monotypic genus, it has been suggested that more than one species may actually be included in L. tardigradus. This prosimian is found in understory of woodlands and the canopy of forests in southern India and most of Sri Lanka. Arboreal; nocturnal; slow methodical climbers; tail is a short stump. The second digit is reduced and possesses a grooming claw, and the pollex is 180 from digit 3, providing for a powerful vice-like grip that can be held for long periods; circulatory adaptations in the paws provide an ample oxygen supply that prevents lactic acid build-up in the muscles. Body mass from 250 to 300 g. Dental formula: 2.1.3.3; lower incisors and canines form a dental comb; upper anterior dentition is peg-like and short; insectivorous. Scent marks through urine washing. Probably noyau, but male-female pairs have been observed (although these may be temporary mating bonds). Aka Loris gracilis.

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