Springwatch (2005) : 18x4

It is the end of the first week of Springwatch and the team review the extraordinary events that have taken place. Gillian is looking back at her week with the beaver family in Cornwall, Chris reveals the extraordinary transformation young salmon perform, and Iolo reveals the latest findings about the mysterious migrations of short-eared owls. Steve introduces his young two-year-old son to a local family of swans.