Slow-moving nocturnal primate of tropical forests (5)

I believe the answer is:

loris

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'slow-moving nocturnal primate' is the definition.
(I've seen this before)

I cannot understand how the rest of the clue works.

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(Other definitions for loris that I've seen before include "lemur" , "Slow-moving nocturnal primate" , "Nocturnal primate of Southeast Asia (usually slender or slow)" , "Short-tailed mammal" , "Small nocturnal primate" .)

I've seen this clue in The Times.

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