Humans used to use poison dart frog toxins to coat their arrows, creating a deadly weapon. Luckily, when kept in an enclosure and rarely handled, dart frogs don’t pose a major threat to humans ...

About 20 varieties of poison dart frogs can be seen in glass enclosures at KawaZoo. “They are not poisonous, so you can touch them,” Yabata said. In nature, poison dart frogs eat toxic ...