kill

Bruno’s casque-headed frog (Aparasphenodon brunoi) is so venomous that 1 gram of its venom could kill 80 people or 300,000 mice. – WTF Fun Facts

Source: https://www.newscientist.com/article/dn28013-zoologger-worlds-first-venomous-frog-has-the-kiss-of-death/