Slow Loris
Weirdness 9/10

The cute primate that licks its armpit to make venom

This adorable big-eyed primate is one of the only venomous mammals on Earth.

📋 Fact File
🐾 Mammal (primate)🍽️ Omnivore
📏 Size
About 18-38 cm (7-15 in) long, depending on species
About the length of a loaf of bread
Lifespan
Up to about 20 years
🟠 EndangeredEvery slow loris species is in trouble — the illegal pet trade and shrinking forests are the biggest threats, and the Javan slow loris is Critically Endangered.
🤔 Guess first

Which one is REALLY true about the Slow Loris?

The short version

The slow loris raises its arms in what looks like surrender, but is actually reaching for a gland in its armpit. Licking that oil mixes it with saliva to create a venom that can cause rotting wounds and even fatal anaphylactic shock, and mothers paint it onto their babies for protection.

Why it's so weird

  • The Slow Loris is one of the only mammals on Earth, and a huge-eyed primate from Southeast Asia.
  • The Slow Loris raises both arms above its head when threatened, which looks like surrender but is really a reach for its armpit.
  • The Slow Loris has a gland in its armpit that leaks an oil, and licking it mixes that oil with saliva to make a real .
  • The Slow Loris can deliver a bite that causes severe pain and wounds that rot and refuse to heal.
  • The Slow Loris licks the onto its babies to keep away while it goes off to hunt.
📏 How big is it, really?
Slow Loris
30 cm
Slow Loris
a 7-year-old
1.2 m
🧒

You could line up about 4 of them along a 7-year-old!