Fergus Gill / Whooper Swan (Cygnus cygnus) adult bird in afternoon light. Perthshire, Scotland, March.

Fergus Gill / Red Fox (Vulpes vulpes) portrait in an urban area. Glasgow, Scotland. May.

Fergus Gill / Tree sparrows (Passer montanus) perching on a branch in the rain. Perthshire, Scotland, December.

Fergus Gill / 2020VISION / Male Ringed plover (Charadrius hiaticula) on beach, Outer Hebrides, Scotland, UK, June. Did you know? When Plovers sense danger a parent bird will pretend to have a broken wing to distract predators.

Fergus Gill / 2020VISION / Female Eider (Somateria mollissima) swimming on sea, Outer Hebrides, Scotland, UK, June.

Fergus Gill / 2020VISION / Oystercatcher (Haematopus ostralegus) on machair grassland, Outer Hebrides, Scotland, UK, June.

Fergus Gill / 2020VISION / Dunlin (Calidris alpina) perching on a rock, Outer Hebrides, Scotland, UK, June.

Fergus Gill / 2020VISION / Sanderling (Calidris alba) in breeding plumage, standing on shoreline, Outer Hebrides, Scotland, UK, June.

Fergus Gill / 2020VISION / Chequered skipper (Carterocephalus palaemon) nectaring on a thistle (Cirsium), Glasdrum Wood National Nature Reserve, near Oban, Argyll, Scotland, UK, June.

Fergus Gill / 2020VISION / Four-spotted chaser / Four-spooed libellula (Libellula quadrimaculata), Moine Mhor National Nature Reserve, Argyll, Scotland, UK, May.

Fergus Gill / 2020VISION / Male Goldeneye (Bucephala clangula), Hogganfield Loch, Glasgow, Scotland, UK, February. Did you know? Goldeneyes forest ducks, which nest in trees.

Fergus Gill / 2020VISION / Goldfinch (Carduelis carduelis) perched on a snow covered branch, Perthshire, Scotland, UK, April.

Fergus Gill / 2020VISION / Collared dove (Streptopelia decaocto) perched on a snow covered branch, Perthshire, Scotland, UK, April.

Fergus Gill / 2020VISION / Male House sparrow (Passer domesticus) feeding on the ground, Perthshire, Scotland, UK, July.

Fergus Gill / 2020VISION / Skylark (Alauda arvensis) perched on a fence post, vocalising, Balranald RSPB reserve, North Uist, Outer Hebrides, Scotland, UK, June. Did you know? The collective noun for a group of Skylarks is an e...

Fergus Gill / 2020VISION / Redshank (Tringa totanus) perched on a fence post, vocalising, Balranald RSPB reserve, North Uist, Outer Hebrides, Scotland, UK, June 2012.

Fergus Gill / 2020VISION / Redshank (Tringa totanus) perched on a fencepost, vocalising, Balranald RSPB reserve, North Uist, Outer Hebrides, Scotland, UK, June 2012.

Fergus Gill / 2020VISION / Redshank (Tringa totanus) vocalising, Balranald RSPB reserve, North Uist, Outer Hebrides, Scotland, UK, June 2012.

Fergus Gill / 2020VISION / Whitethroat (Sylvia communis) with insect prey, perched on Rosebay willowherb (Epilobium angustifolium), Perthshire, Scotland, UK, June.

Fergus Gill / 2020VISION / A misty morning view looking down the River Tay in autumn, Kinnoull Hill Woodland Park, Perthshire, Scotland, November 2011.

Fergus Gill / 2020VISION / Wood Warbler (Phylloscopus sibilatrix) singing from an oak tree, Atlantic Oakwoods of Sunart, Scotland, May.

Fergus Gill / 2020VISION / Wood warbler (Phylloscopus sibilatrix) singing from a lichen covered branch, Atlantic Oakwoods of Sunart, Scotland, May.

Fergus Gill / 2020VISION / Mixed woodland of ash alder, oak beech in autumn colours. Kinnoull Hill Woodland Park, Perthshire, Scotland, Novermber 2011.

Fergus Gill / 2020VISION / Peregrine Falcon (Falco peregrinus) in flight over the River Tay. Kinnoull Hill Woodland Park, Perthshire, Scotland, November.

Fergus Gill / 2020VISION / Close up of colourful mixed woodland in autumn, Kinnoull Hill Woodland Park, Perthshire, Scotland November 2011.

Fergus Gill / 2020VISION / A misty morning over a mixed woodland in autumn. Kinnoull Hill Woodland Park, Perthshire, Scotland, November 2011.

Fergus Gill / 2020VISION / Tree Sparrow (Passer montanus) (right) and Yellowhammer (Emberiza citrinella) foraging on snow. Perthshire, Scotland, January. Did you know? The Tree sparrow population in UK dropped by 93% between 19...

Fergus Gill / 2020VISION / Yellowhammer (Emberiza citrinella) perched on snowy branch. Perthshire, Scotland, February. Did you know? Beethoven's pupil claimed that the famous 'fate motif' of his 5th Symphony was inspired by the...

Fergus Gill / 2020VISION / Tree Sparrow (Passer montanus), male Chaffinch (Fringilla coelebs) and a male Yellowhammer (Emberiza citrinella) on snowy branch (left to right). Perthshire, Scotland, December.

Fergus Gill / 2020VISION / Yellowhammer (Emberiza citrinella) on grass. Perthshire, Scotland, June.

Fergus Gill / 2020VISION / Roe Deer (Capreolus capreolus) buck in a woodland field. Perthshire, Scotland, June.

Fergus Gill / 2020VISION / Scentless Mayweed (Tripleurospermum inodorum) in a ripe barley field. Perthshire, Scotland, July.

Fergus Gill / 2020VISION / European Honey Bee (Apis mellifera) collecting pollen and nectar from Scentless Mayweed (Tripleurospermum inodorum). Perthshire, Scotland, July.

Fergus Gill / 2020VISION / European Honey Bee (Apis mellifera) collecting pollen and nectar from Scentless Mayweed (Tripleurospermum inodorum). Perthshire, Scotland, July. Did you know? A worker Honeybee will only produce a 12t...

Fergus Gill / 2020VISION / Roe Deer (Capreolus capreolus) doe in a field of set aside at dawn. Perthshire, Scotland, June.

Fergus Gill / 2020VISION / Roe Deer (Capreolus capreolus) doe peering from wheat field. Perthshire, Scotland, June.

Fergus Gill / 2020VISION / Dipper (Cinclus cinclus) on rock in stream. Perthshire, Scotland, May.

Fergus Gill / 2020VISION / Dipper (Cinclus cinclus) on rock in stream. Perthshire, Scotland, May.

Fergus Gill / 2020VISION / Dipper (Cinclus cinclus) on rock in stream. Perthshire, Scotland, May.

Fergus Gill / 2020VISION / The rugged cliffs of Stac Pollidh in cloud and mist and lit by evening light. Cairngorms National Park, Scotland, July.

Fergus Gill / 2020VISION / Ptarmigan (Lagopus mutus) hen in summer plumage behind rocks. Cairngorms National Park, Scotland, July.

Fergus Gill / 2020VISION / Mountain Hare (Lepus timidus) in alert pose. Cairngorms National Park, Scotland, July.

Fergus Gill / 2020VISION / Mountain Hare (Lepus timidus) sub-adult leveret portrait. Cairngorms National Park, Scotland, July.

Fergus Gill / 2020VISION / Mountain Hare (Lepus timidus) against mountains. Cairngorms National Park, Scotland, July.

Fergus Gill / 2020VISION / Mountain Hare (Lepus timidus) sub-adult leveret yawning. Cairngorms National Park, Scotland, July.

Fergus Gill / 2020VISION / Mountain Hare (Lepus timidus) sub-adult leveret yawning. Cairngorms National Park, Scotland, July.

Fergus Gill / 2020VISION / Mountain Hare (Lepus timidus) sub-adult leveret. Cairngorms National Park, Scotland, July.

Fergus Gill / 2020VISION / Mountain Hare (Lepus timidus) sub-adult leveret in mid summer, Cairngorms National Park, Scotland, July.

Fergus Gill / 2020VISION / A view of Suilven over a highland loch with islands of scots pine and birch. Sutherland, Scotland, June 2011.

Fergus Gill / 2020VISION / Snow Butning (Plectrophenax nivalis) Searching for food in a snow storm. Cairngorms National Park

Fergus Gill / 2020VISION / Tree Sparrow (Passer montanus) Perching on a snow covered branch. Perthshire, Scotland.

Fergus Gill / 2020VISION / Mountain Hare (Lepus timidus) sub-adult leveret alert in mid summer, Cairngorms National Park, Scotland. July 2011

Fergus Gill / 2020VISION / Roe Deer (Capreolus capreolus) doe running in a field of barley, Northumberland, England, summer. Although Roe deer mate in August, the fertilised egg is dormant until January, which prevents the fema...

Fergus Gill / 2020VISION / Mallard Duck (Anas platyrhynchos) with bread in snow. Perthshire, Scotland, January.

Fergus Gill / 2020VISION / Barn Swallow (Hirundo rustica) feeding a fledgling on a wire. Perthshire, Scotland, September. Did you know? Swallows have long had a close association with humans - nesting in the eaves of buildings...

Fergus Gill / 2020VISION / Grey Heron (Ardea cinerea) perching in a tree with Glasgow University tower behind. Glasgow, Scotland, December.

Fergus Gill / 2020VISION / Mute Swan (Cygnus olor) standing on ice at sunrise. Glasgow, Scotland, December.

Fergus Gill / 2020VISION / Grey Squirrel (Sciurus carolinensis) in urban park in winter. Glasgow, Scotland, December. Did you know? Scientists believe that some of the UK's native Red Squirrels are gaining immunity to the pox i...

Fergus Gill / 2020VISION / Mute Swan (Cygnus olor) taking off from flock on water. Scotland, December. Did you know? Richard the Lionheart is said to have introduced Mute Swans to Britain

Fergus Gill / 2020VISION / Greylag Goose (Anser anser) calling at dawn with steaming breath. Scotland, December.

Fergus Gill / 2020VISION / European Honey Bee (Apis mellifera) with pollen sacs flying towards a Scentless mayweed (Tripleurospermum inodorum) flower in order to feed, Perthshire, Scotland, UK, July. 2020VISION Exhibition. Did...

Peter Cairns / 2020VISION / 2020 Vision photographers being interviewed at RSPB Forsinard Flows, Caithness, Highland, Scotland, UK, June 2011. Lorne Gill, Fergus Gill and Mark Hamblin, Model released

Fergus Gill / Brown / European hare (Lepus europaeus) running towards the camera in the evening light. Perthshire, Scotland, June

Fergus Gill / Mountain hare (Lepus timidus) silhouette at dusk in late summer. Scotland, October

Fergus Gill / Grey seal (Halichoerus grypus) couple fighting as the male (right) tries to mate with the female. Scotland, October .

Fergus Gill / Osprey (Pandion haliaetus) flying through a rainbow. Aviemore, Scotland, July.

Fergus Gill / Greylag goose (Anser anser) calling at dawn with its breath showing as a cloud of steam. Serrated tomia (the equivalent of teeth) are visible in its beak. Scotland, Dec .

Fergus Gill / Grey squirrel (Sciurus carolinensis) sitting on its hind legs in an urban park in winter. Glasgow, Scotland, Dec .

Fergus Gill / Roe deer (Capreolus capreolus) buck feeding in a field at dusk. Perthshire, Scotland, August .

Fergus Gill / Bullfinch (Pyrrhula pyrrhula) male feeding on berries in a frozen rowan tree in winter. Perthshire, Scotland, December

Fergus Gill / Brown Hare (Lepus europaeus) portrait gazing alertly. Perthshire, Scotland, June

Fergus Gill / Yellowhammers (Emberiza citrinella) coming in to land of a sheaf of oats in winter. Perthshire, Scotland, February

Fergus Gill / Red kite (Milvus milvus) flying in a rain shower. Dumfries and Galloway, Scotland, June

Fergus Gill / Mountain hare (Lepus timidus) sheltering on a winter day. Cairngorms National Park, Scotland, March

Fergus Gill / Tufted duck (Aythya fuligula) male on a loch, with others in the background. Scotland, January

Fergus Gill / Sparrowhawk (Accipiter nisus) watching for prey from a garden rowan tree. Perthshire, Scotland, September

Fergus Gill / Red grouse (Lagopus lagopus scoticus), portrait of a cock bird displaying to rival males. Cairngorms National Park, Scotland, April

Fergus Gill / Grey seal pup (Halichoerus grypus) sleeping on a windswept beach. Scotland, Nov

Fergus Gill / Whooper swan (Cygnus cygnus) juvenile with adult behind. Scotland, November

Fergus Gill / Red grouse (Lagopus lagopus scoticus), portrait of a cock bird. Cairngorms National Park, Scotland, April

Fergus Gill / Goldfinch (Carduelis carduelis) feeding on frozen Teasels. Perthshire, Scotland, Dec

Fergus Gill / Male Ptarmigan (Lagopus mutus) in winter plumage, camouflaged against snow, Cairngorm National Park, Scotland, UK. HIGHLY COMMENDED: Young Awards, 15-17 Years, Wildlife Photographer of the Year 2010

Fergus Gill / Fieldfare (Turdus pilaris) feeding on Rowan berries (Sorbus hupehensis) in winter, Perthshire, Scotland. WINNER: Young Wildlife Photographer of the Year 2010

Jane Burton / Blue-eyed bicolour ragdoll-cross kitten, Fergus, among frosty everlasting daisies and cow parsley deadheads.

Fergus Gill / Whooper Swan (Cygnus cygnus) adult bird with two cygnets surrounded Coots (Fulica atra) and Moorhens (Gallinula chloropus), Glasgow, Scotland, December

Fergus Gill / Whooper Swan (Cygnus cygnus) adult bird calling in afternoon light. Glasgow, Scotland, December.

Fergus Gill / Goldeneye (Bucephala clangula) swimming on the River Tay. Perthshire, Scotland, December.

Fergus Gill / Whooper Swan (Cygnus cygnus) adult bird in afternoon light with mute swan (cygnus olor) behind. Glasgow, Scotland, December.

Fergus Gill / Whooper Swan (Cygnus cygnus) adult bird in afternoon light. Glasgow, Scotland, December.

Fergus Gill / Goosander (Mergus merganser) displaying on River Kelvin. Glasgow, Scotland, December.

Fergus Gill / Whooper Swan (Cygnus cygnus) adult bird calling in afternoon light. Glasgow, Scotland, December.

Fergus Gill / Abstract shot at dawn over a mixed woodland in autumn. Kinnoull Hill Woodland Park, Perthshire, Scotland, November.

Fergus Gill / Whooper Swan (Cygnus cygnus) cygnet calling to adult bird in afternoon light. Glasgow, Scotland, December.

Fergus Gill / Dawn light over a mixed woodland in autumn. Kinnoull Hill Woodland Park, Perthshire, Scotland, November.

Fergus Gill / Dawn light over a mixed woodland in autumn. Kinnoull Hill Woodland Park, Perthshire, Scotland, November.

Fergus Gill / Dawn light over a mixed woodland in autumn. Kinnoull Hill Woodland Park, Perthshire, Scotland, November.