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In Cornwall, you don't have to go far from the coast to find some wonderful woodlands. Bill Oddie and Steve go in search of a creature that lives there - the dormouse. The name comes from the French 'dormir' which means 'to sleep', and boy do they sleep. They hibernate from October to May and even in summer they are only really active at night. They live way in in the tops of trees, so what chance do you have of seeing them? The answer is to provide custom-built sleeping quarters. The first few boxes that Bill and Steve look at are empty – and in the next the dormouse shoots off before the camera can catch it. But their luck is in - there are babies in the nest box. Steve takes one that's just a few days old out to show Bill. The breeding season is form May to August, and dormice can have two broods a year. There has been a very good crop of hazelnuts this year, so hopefully a large number of this year's young will hibernate successfully if they eat well and get up to the right weight. Weight is critical for hibernation - if they fail to make a certain weight they won't survive. They put the baby back in the nest before he gets chilled. Steve finds another nest box with an adult in it. You have to be registered as a dormouse handler to pick one up. Dormice have few predators because they stay up in the canopy. Owls will take one occasionally and weasels are a problem predating the boxes. Dormice are quite long lived - four or five years - which is quite long for a small mammal. It finds its food in the dark using smell, whiskers and the memory of what's available in their patch at different times of year. They eat caterpillars in the spring and are very fond of blackberries and hazelnuts. The dormouse escapes Steve's grasp and shoots off.