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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
- prosimians, gestation ad maturation, ad maturation periods, Shorter gestation ad