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

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

RSPB West Light Seabird Centre, Rathlin Island, County Antrim, Ulster, Northern Ireland, United Kingdom

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

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

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

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

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

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

Phragmites reedbed 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

Salthome RSPB bird reserve in Billingham, with the Middlesbrough Transporter Bridge in the background, Teesside, 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

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

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

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