Extinct creatures on display at Grant Museum of Zoology
14 March 2011 Last updated at 10:12 GMT
One of the world's oldest natural history collections is set to re-open in London this week.
The Grant Museum of Zoology was founded by a mentor of Charles Darwin, and comprises a unique collection of 70,000 bones and animal specimens.
BBC News science reporter Neil Bowdler went along for a sneak preview.