Animals on the Edge

Polar bears are losing their Arctic homes. As the Arctic ice shrinks, so does their habitat. Polar bears have become animals on the edge. Discover how scientists are trying to answer the questions behind polar bears' search for ice.

With missing body parts, extra legs, and eyes growing inside mouths, something unusual is happening to frogs. As their environment changes, frogs have become animals on the edge. Discover how scientists are trying to answer the questions behind deformed frogs.

Charging elephants trample homes causing injuries and even death. As their habitat and food supplies shrink, elephants have become animals on the edge. Discover how scientists are trying to answer the questions behind elephants under pressure.