Calls of the Forest: It’s hard enough to find a slow loris in the forests of Vietnam–so addressing the complex threats to the species is all the harder.

At 5:30 a.m., after being out from about 1 a.m. surveying for slow lorises in the dark, I was woken up by an eerie, enchanting duet. I realized through bleary eyes and ears that this sound was not my alarm, but rather a pair of serenading gibbons..
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