Disappearing frogs Kerry M. Kriger

View full lesson: Frogs (and amphibians in general) are in danger worldwide, nearly onethird of the world s amphibian species are on the verge of extinction. And yet, frogs contribute to our wellbeing in many important ways. Kerry M. Kriger describes why frogs are in trouble and how you can help save them. Lesson by Kerry M. Kriger, animation by Simon Ampel.