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Marsh Harriers

Lionel Kelleway gets very close to the marsh harrier.

• 22 mins

Grass Snakes

Lionel Kelleway tries to get close to the grass snake, Britain's largest native snake.

• 22 mins

Starfish

Marine biologist Peter Heyward and Lionel Kelleway search for starfish.

• 22 mins

Ancient Orchards

Lionel Kelleway is guided by two National Trust experts around a 100-year-old orchard.

• 22 mins

Cuckoos

Lionel Kelleway heads to Dartmoor to get close to a juvenile cuckoo and its foster parents

• 22 mins

Heath Fritillary

Lionel Kelleway visits a valley in Exmoor National Park in search of a rare butterfly.

• 22 mins

Great Bustards

Lionel Kelleway finds out about a programme to re-introduce the Great Bustard to Britain.

• 22 mins

Grassland Meadows

Lionel Kelleway is taken to some special grassland to see its wild flowers.

• 22 mins

Sika Deer

Lionel Kelleway heads to Purbeck to see sika at the start of the rutting season.

• 22 mins

Dartford Warbler

Lionel Kelleway visits the Arne RSPB reserve in Dorset to see the rare Dartford warbler.

• 22 mins

Autumn Ivy

Lionel Kelleway explores the important benefits of ivy to British wildlife.

• 22 mins

Tufty of Thirlmere

Lionel Kelleway searches for his own autumnal 'tufty' red squirrel in the Lake District.

• 22 mins

Pike

Lionel Kelleway goes fishing for a fearsome predator, the pike.

• 22 mins

Cave Spiders

Lionel Kelleway explores some very dark cellars in search of some very big spiders.

• 22 mins

The Deer Park

Lionel Kelleway discovers a metropolis of ant hills in a Deer Park in Durham.

• 22 mins

Herons

Lionel Kelleway travels to the RSPB's Ham Wall nature reserve to look for heron.

• 22 mins

Crayfish

Lionel Kelleway investigates the plight of our largest freshwater crustacean.

• 22 mins

Junipers

Lionel Kellaway asks why the junipers on Porton Down are under attack.

• 22 mins

Rare Reptiles

Lionel Kellaway gets close to a smooth snake and sand lizard, our rarest reptiles.

• 22 mins

06/06/2010

Lionel Kellaway encounters the loudest amphibian in Europe, the natterjack toad.

• 22 mins

13/06/2010

Lionel Kellaway witnesses the performance of early migrant birds on Dartmoor.

• 22 mins

Nest Finder of Dartmoor

Lionel Kelleway and Mark Lawrence hunt for birds' nests hidden on Dartmoor.

• 22 mins

Harbour Seals

Lionel Kelleway enjoys the rare spectacle of harbour seals pupping in Loch Fleet Scotland.

• 22 mins

Beavering

Lionel Kelleway has a very close encounter with a mammal extinct in Britain for 400 years.

• 22 mins

Peat Bog Gremlins

There is a war of stealth raging in the undergrowth of the peat bog. Gremlins lie in wait.

• 22 mins

The Potter Wasp

Of the 6500 wasp and bee species in the UK, only one can make a clay pot: the potter wasp.

• 22 mins

Native Hedgerows

Lionel Kelleway heads into Devon to explore the delights of an autumnal hedgerow.

• 22 mins

Migrating Moths

At a moth trap on the Lizard in Cornwall, migrating moths from the continent make landfall

• 22 mins

28/11/2010

Lionel Kelleway travels to Herefordshire to marvel at Britain's ancient trees,.

• 22 mins

Winter Ravens

Shropshire's ravens are recovering from persecution, and returning in ever greater numbers

• 22 mins