Springwatch is back broadcasting live from the Sherborne Park Estate in the Cotswolds. Gillian Burke is in the Shetlands, where she hopes to see killer whales.

Chris Packham and Michaela Strachan are live again once more from the Gloucestershire countryside, where overnight events have already thrown up plenty of surprises.

Live from their base in the heart of the Cotswold Area of Outstanding Natural Beauty, Chris Packham and Michaela Strachan share the latest news from the wildlife cameras over the past 24 hours, with reports on the blue tits and a new nest, the mandarin duck.

Steve Backshall is upping the ante with his latest mission, climbing one of the state's ancient, or veteran oaks, in order to see what he can find, and to spend the night at the top of it.

Gillian Burke has arrived in a different part of Shetland where she catches up with a special family of otters - including some intimate moments rarely caught on camera.

We have the latest update from the raven family on the Gower, and a film about one incredible species of slug - the tree slug - which climbs up into the canopy every night to feed. Chris Packham in particular is a fan, and exhorts viewers to join his new slug appreciation society.

It is the end of the first week of this year's Springwatch, and the team reviews the extraordinary events that have already taken place.

Springwatch returns for 2020 with a dramatic, exciting and different format to comply with Covid restrictions. The team are broadcasting live from locations close to home - Chris Packham is in the New Forest, Iolo Williams is in the heart of west Wales, and Gillian Burke is at the Beaver Project near her home in Cornwall. They are joined by guest presenter Steve Backshall at his home on the banks of the Thames. It is the first time they have all been home for more than a decade so a fantastic opportunity to celebrate and witness the incredible spring of 2020 from all round the country. And Michaela calls Chris live from South Africa to launch a series of her favourite Springwatch moments from previous years.

Chris Packham, Gillian Burke and Iolo Williams are live again close to their respective homes in the New Forest, west Wales and Cornwall, where overnight events have already created dramas.

This year, the Springwatch cameras are following the fortunes of bird families in the Somerset levels and in the wild and rugged Brecon Beacons. With no boat traffic on the Thames, Steve Backshall is witnessing beautiful aquatic insect hatches providing food for a host of birds like swallows and even red kites. Intrepid sound recordist Gary Moore records the incredible urban dawn chorus of songbirds which have been such a feature of spring 2020 .

Live from their home bases in the New Forest, Cornwall, west Wales and the River Thames, Chris Packham, Gillian Burke, Iolo Williams and Steve Backshall share the latest stories from the wildlife cameras.

Chris reveals how fish have more ways of making sound than any other vertebrate on the planet, Iolo reveals the intimate secrets of the bird families he has been following in his own back garden, and Michaela relives the dramatic story of a very skilful stoat in Minsmere in 2016. There is also the extraordinary spectacle of the firework sea anemone, and a rare reef made by beautiful peacock worms.

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.