Highland cattle, conservation grazing on Loch of Kinnordy RSPB reserve, Kirriemuir, Angus, Scotland, United Kingdom, Europe

Huge flock of knot (Calidris canutus) in flight, Snettisham RSPB reserve, Norfolk, England, United Kingdom, Europe

Elin's Tower at dusk, RSPB South Stack, Holy Island, Anglesey, Wales, United Kingdom, Europe

Blackheaded gulls (Larus ridibundus), Leighton Moss RSPB reserve, Lancashire, England, United Kingdom, Europe

Great crested grebe (Podiceps cristatus) Leighton Moss RSPB reserve, Lancashire, UK

Grey squirrel (Sciurus carolinensis), Leighton Moss, RSPB Reserve, Silverdale, Lancashire, England, United Kingdom, Europe

Blackheaded gull, Larus ridibundus, on nest, Leighton Moss R.S.P.B. Reserve, England, United Kingdom, Europe

Barnacle geese (Branta leucopsis), Loch Gruinart RSPB reserve, Islay, Scotland, United Kingdom, Europe

Robin, Erithacus rubecula, perched on a tree branch at Leighton Moss RSPB nature reserve, Silverdale, Lancashire, England, United Kingdom, Europe

Robin, Erithacus rubecula, on ground at Leighton Moss RSPB nature reserve, Silverdale, Lancashire, England, United Kingdom, Europe

Gannets on the chalk cliffs, Bempton Cliffs RSPB Nature Reserve, Bridlington, Yorkshire, England, United Kingdom, Europe

Sunset over Sumburgh Head lighthouse, built by Robert Stevenson in 1821 and now an RSPB office, Shetland Islands, Scotland, United Kingdom, Europe

Sheer cliffs 75m high of old red sandstone conglomerate, RSPB's Fowlsheug Bird and Nature Reserve, Crawton, Aberdeenshire, Scotland, United Kingdom, Europe

Wigeon (Anas penelope) flock in flight over frozen, flooded marshland on a foggy winter morning, with some drakes calling, Greylake RSPB reserve, Somerset Levels, UK.

Red deer stag at Leighton Moss RSPB Reserve in Lancashire, England, United Kingdom, Europe

RSPB visitor centre Ellins Tower, South Stack Cliffs, Holyhead, Anglesey, North Wales, UK, Europe

RSPB visitor centre Ellins Tower, South Stack Cliffs, Holyhead, Anglesey, North Wales, UK, Europe

Red deer stag at Leighton Moss RSPB Reserve in Lancashire, England, United Kingdom, Europe

Red deer stag at Leighton Moss RSPB Reserve in Lancashire, England, United Kingdom, Europe

Phragmites reedbed at Leighton Moss RSPB Reserve in Lancashire, England, United Kingdom, Europe

Phragmites reedbed at Leighton Moss RSPB Reserve in Lancashire, England, United Kingdom, Europe

Salthome RSPB bird reserve in Billingham, with the Middlesbrough Transporter Bridge in the background, Teesside, England, United Kingdom, Europe

A waterfall on the RSPB reserve at Geltsdale, North Cumbria, England, United Kingdom, Europe

Phragmites reedbed at Leighton Moss RSPB Reserve in Lancashire, England, United Kingdom, Europe

Phragmites reedbed at Leighton Moss RSPB Reserve in Lancashire, England, United Kingdom, Europe

An interpretation board at Salthome RSPB bird reserve in Billingham, Teeside, England, United Kingdom, Europe

The lighthouse and RSPB Reserve on the Mull of Galloway Scotland's most southerly point, Scotland, United Kingdom, Europe

The RSPB reserve at Geltsdale, North Cumbria, England, United Kingdom, Europe

The RSPB reserve at Geltsdale, North Cumbria, England, United Kingdom, Europe

Tree planting at the RSPB reserve at Geltsdale, North Cumbria, England, United Kingdom, Europe

The cliffs at Noup Head with noup head lighthouseon the island of Westray in the Orkney Islands.The cliffs are extending for miles, are home to one of the largest sea bird colonies in the UK and are a RSPB Reserve. europe, central europe, northern europe, united kingdom, great britain, scotland, northern isles,orkney islands, June

Marwick Head Rspb Nature Reserve, Kitcheners Monument, Orkney, Scotland

Murmuration of starlings at dusk, RSPB Reserve Minsmere, Suffolk, England

Marwick Head Rspb Nature Reserve, Kitcheners Monument, Orkney, Scotland

Murmuration of starlings at dusk, RSPB Reserve Minsmere, Suffolk, England