how do you know if an animal is poisonous

Question: how do you know if an animal is poisonous
- Keywords:
  animal
Asked by S&V Rock Forever to Anthony on 15 Mar 2017.
- Anthony Caravaggi answered on 15 Mar 2017:
  
  Poisonous animals are often brightly coloured or have very clear patterns, warning predators that if they try to eat them, they’ll get sick or die. Some non-poisonous animals copy the colours of poisonous animals so that they don’t get eaten either.

Question: how do you know if an animal is poisonous