Chi è la rana freccia e quanto è letale il veleno di questo piccolo anfibio colorato

Have you ever wondered how some frogs, as small as your thumb, have enough venom to kill a human? In this video, we delve into the rainforests of Central and South America where poison dart frogs live, the most lethal in the world, thanks to the presence of Batrachotoxins and alkaloids on their backs. They are so lethal that native tribes used them to poison their hunting blowpipes: a single contact with the Phyllobates terribilis can in fact paralyze and kill in a few minutes... but it can also become completely harmless. How? Our Margherita Paiano explains it to us in this new episode of Incredible Animals ________________  Credit: Tommy’s Reptiles Troy Goldberg's Tropical Garage Tropical Tutorials ________________ 00:00 Intro 01:00 Who is Phyllobates terribilis, the most poisonous frog in the world 01:35 Why are these frogs so colorful? How does aposematism work 02:00 What is on the back of frogs? Batrachotoxins and alkaloids 03:00 How does the venom of the golden frog work 05:00 The use of Phyllobates terribilis venom in indigenous tribes 07:27 In what sense is the poison dart frog venom “seized”? 08:43 Who are the predators of poison dart frogs 10:45 Breeding, conservation and environmental threats of Poison Frogs