The slow loris is possibly one of the most adorable animals in the world. While the toxin they use is mainly utilized to protect themselves and their young, there have been a few fatal cases in humans. However these were all due to anaphylactic shock rather than the venom itself. The toxin is mild and not fatal; in fact a loris will cover their young in it as protection before they go hunting. If you ever are bit by a slow loris you can expect some very painful swelling but, allergies permitting, to survive.