Adult male slow loris showing venomous saliva. Source: Andrew Walmsley, used with permission. The slow loris seems adorable. But its puppy-dog eyes and charming face mask belie its wild nature: These ...

This little guy is so cute isn’t he? He’s a newly discovered slow loris—a kind of primate related to lemurs—and you can’t help but want to give him a cuddle. Don’t piss him off though, because he has ...