Otter
Media playback is unsupported on your device
Video

Otters return from brink of extinction

Otters have been spotted in Kent, which according to an Environment Agency survey means they have returned to every county in England.

The elusive mammals were once on the brink of extinction, but improvements in water quality have led to an increase in numbers.

Jeremy Cooke reports.

Go to next video: New funding to clean up waterways