Extinction of frogs is catastrophic, scientists say
Before the arrival of Spanish colonisers some 500 years ago, Indians in what is now Ecuador dipped their arrowheads in venom extracted from the phantasmal poison frog to doom their victims to
Before the arrival of Spanish colonisers some 500 years ago, Indians in what is now Ecuador dipped their arrowheads in venom extracted from the phantasmal poison frog to doom their victims to