Lionel Kelleway visits Gloucestershire, to test contestants' wildlife knowledge in the BBC Natural History Unit's quiz.

Lionel Kelleway visits the Liverpool Museum, to chair the BBC Natural History Unit's quiz in which contestants test their wildlife knowledge.

Lionel Kelleway visits Mere Sands Wood in Lancashire, to test more wildlife knowledge in the BBC Natural History Unit's quiz.

4 Extra Debut. Lionel Kelleway visits Essex, to chair the BBC Natural History Unit's quiz in which contestants test their wildlife knowledge.

Lionel Kelleway visits Arundel to test three contestants' wildlife knowledge in the BBC Natural History Unit's quiz.

Lionel Kelleway visits Edinburgh's Royal Botanic Garden, to test more wildlife knowledge in the BBC Natural History Unit's quiz.

Lionel Kelleway visits Bristol, to test more wildlife knowledge in the BBC Natural History Unit's quiz.

Lionel Kelleway presents the final of the natural history quiz from the home of the British Birdwatching Fair at Rutland Water.

Lionel Kelleway visits Derbyshire, to test three contestants' wildlife knowledge in the BBC Natural History Unit's quiz.