The 10 snakes faced a tough predicament. Collected from the Colombian Amazon, they had been without food for several days in captivity and then were presented with extremely unappetizing prey: three-striped poison dart frogs, Ameerega trivittata . The skin of those frogs contains deadly toxins – such as histrionicotoxins, pumiliotoxins, and decahydroquinolines – that interfere with essential cell proteins. Six of the royal ground snakes ( Erythrolamprus reginae ) preferred to go hungry. The