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Unformatted text preview: Primates Prosimians: Lemurs, Lorises, and Tarsiers Closest anatomically to their ancestors than other primates (primitive) More pronounced reliance on olfaction (smell) Long snout and wet patch on nose, rhinarium, to enhance olfaction Upper lip is divided and attached to the gums Lemurs Only found in Madagascar Larger forms 2-3 feet are diurnal Smaller forms ~5in are nocturnal Exhibit a lot of variation in relation to: terrestrial, clingers/leapers, and group interactions Eyes placed more to the side of face Differences in reproductive physiology Shorter gestation ad maturation periods Dental comb (for grooming and feeding) Retention of claw on second toe (grooming claw) Lorises Found across the world Became nocturnal to avoid competition with diurnal monkeys Locomotion is cautiously slow Flexible hip joints allow suspension from hind legs while using arms Highly agile vertical clingers/leapers Diet of insects, leaves, fruit, etc. Use infant parking where they cover young in irritating saliva to discourage predators and then leave them in the nest Feeding ranges overlap and two females may occupy the same foraging area Eyes placed more to the side of face Differences in reproductive physiology Shorter gestation ad maturation periods...
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- Spring '08