Poisonous animals contain or secrete toxins and need to be touched or eaten to contaminate their victim. This is different to venomous animals that actively inject a toxin into their the victim. There's a wide range of often highly complex poisons in the animal and plant kingdoms, all of which are used for defense. These poisons can paralyse, stun, cause tissue death or outright kill their victims. The effects depend on the type and concentration of poison and the amount delivered relative to the size of the victim.

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