Marie Read / American Robin (Turdus migratorius), feeding on winterberry (Ilex) fruits in winter, New York, USA, December.

Alan Murphy/ BIA / Clay-colored Thrush (Turdus grayi) feeding on berries, Texas

Kim Taylor / Slow motion clip of a male Common blackbird (Turdus merula) bathing in a birdbath, Surrey, England, UK, October.

Dave Bevan / Male Blackbird (Turdus merula) catching European eel (Anguilla anguilla) elvers as they migrate up a waterfall, Ceredigion, Wales, UK, July.

Dave Bevan / Male Blackbird (Turdus merula) catching European eel (Anguilla anguilla) elvers as they migrate up a waterfall, Ceredigion, Wales, UK, July.

David Tipling / Fieldfare (Turdus pilaris) in garden in freezing weather with snow on the ground Norfolk, England, UK. february

Konrad Wothe / Male Blackbird (Turdus merula) singing, Bavaria, Germany, April.

Dave Bevan / Female Blackbird (Turdus merula) feeding chicks at nest, removing faecal sacs, Carmarthenshire, Wales, UK, June.

Bence Mate / Blackbird (Turdus merula) fighting, splashing water, Pusztaszer, Kiskunsagi National Park, Hungary, April.

Jussi Murtosaari / Fieldfare (Turdus pilaris) in Rowan tree with berries in winter, Jyvaskyla, Central Finland, January.

Michel Poinsignon / Song thrush (Turdus philomelos clarkei) collecting nesting material, Pusztaszer, Hungary, April. Small reproduction only.

Donald M. Jones / American Robin (Turdus migratorius), western Montana

Donald M. Jones / American Robin (Turdus migratorius) bathing, western Montana

Alan Murphy / Clay-colored Thrush (Turdus grayi) and Great Kiskadee (Pitangus sulphuratus) pair fighting, Texas

Alan Murphy / Clay-colored Thrush (Turdus grayi) feeding on berries, Texas

Donald M. Jones / American Robin (Turdus migratorius) juvenile, western Montana

Markus Varesvuo / Fieldfare (Turus pilaris) perched on branch with red berries after snowfall, Helsinki, Finland, Scandinavia. December.

Markus Varesvuo / Blackbird (Turdus merula) male perched on branch with berries after heavy snowfall, Helsinki, Finland, Scandinavia, December.

Markus Varesvuo / Fieldfare (Turdys pilaris) on fruit tree in snow. Helsinki, Finland. January

Markus Varesvuo / Fieldfare (Turdus pilaris) on fruit tree in snow. Helsinki, Finland. January. Overall winner in the Swiss Ornithological Institute photography competition 2013.

Ralph Martin / Fieldfare (Turdus pilaris), Schleswig-Holstein, Germany

Steve Knell / Song thrush (Turdus philomelos clarkei) portrait, Hungary, May.

Pål Hermansen,Pal Hermansen / Song thrush (Turdus philomelos) with grub prey on the dashboard of an abandoned car in 'car graveyard' Varmland, Sweden, July

Pal Hermansen / Song thrush (Turdus philomelos) feeding chicks at nest in old abandoned car, in a 'car graveyard' Varmland, Sweden

Pal Hermansen,Pal Hermansen / Blackbird (Turdus merula) nest with eggs in motor of abandoned car in 'car graveyard' Varmland, Sweden, May

Pal Hermansen / Song thrush (Turdus philomelos) feeding chicks in a nest in an old car, Bastnas, Sweden, July. Winner of the Urban Wildlife Category at the Wildlife Photographer of the Year Awards (WPOY) 2013. Winner...

Laurent Geslin / Female blackbird (Turdus merula) catching worms on an urban lawn in London, UK

Bence Mate / Two male blackbirds ( Turdus merula) fighting, Pusztaszer, Kiskunsagi National Park, Hungary

David Pattyn / Blackbird (Turdus merula) male in flight during snowfall, Oisterwijk, The Netherlands. January

David Pattyn,David Pattyn / Blackbird (Turdus merula) male in flight during snowfall, Oisterwijk, The Netherlands. January

Konrad Wothe / Fieldfare (Turdus pilaris) catching earthworm, Germany

Richard Steel / 2020VISION / Fieldfare (Turdus pilaris) perched on branch of a Rowan tree (Sorbus aucuparia), with berries, Clwyd, Wales, UK, November. Did you know? The Rowan tree's old Celtic name was 'fid na ndruad' which mean...

Andrew Parkinson / Redwing (Turdus iliacus) protecting a windfall apple from another bird. Derbyshire, UK, February. (Non-ex)

Andrew Parkinson / Redwings (Turdus iliacus) squabbling over an apple in snow. Derbyshire, UK, February. British Wildlife Photographer of the Year (BWPA) competition 2012, 'Animal Behaviour' category. (Non-ex) Winner of...

Mark Hamblin / 2020VISION / Male Blackbird (Turdus merula) perched on old barn roof, Inverness-shire, Scotland, UK, November

Markus Varesvuo / Blackbird (Turdus merula) eating berry, Helsinki, Finland, October

Marie Read / Male American robin (Turdus migratorius) feeding on Winterberry (Ilex sp) New York, USA, January

Andy Sands / Mistle Thrush (Turdus viscivorus) in snow. Hertfordshire, England, UK, February.

Chris Gomersall / 2020VISION / Redwing (Turdus iliacus) perched in a snow covered hedgerow, Cambridgeshire, England, UK, December

Chris Gomersall / 2020VISION / Fieldfare (Turdus pilaris) perched in a winter hedgerow, Cambridgeshire, England, UK, December

Chris Gomersall / 2020VISION / Fieldfare (Turdus pilaris) perched in a frosted winter hedgerow flapping wings, Cambridgeshire, England, UK, December

Chris Gomersall / 2020VISION / Redwing (Turdus iliacus) feeding on Hawthorn (Crataegus monogyna) berries in winter hedgerow, Cambridgeshire, England, UK, December

Laurie Campbell / Fieldfare (Turdus pilaris) on snow covered lawn, Berwickshire, Scotland, February

Markus Varesvuo / Ring Ouzel female (Turdus torquatus) Finland May

Mark Hamblin / 2020VISION / Female Blackbird (Turdus merula) perched in crab apple tree in winter, Scotland, UK, December 2010

Mark Hamblin / 2020VISION / Male Blackbird (Turdus merula) perched on garden seat in winter, with feathers ruffled to insulate against cold, Scotland, UK, December 2010

Ernie Janes / Song thrush (Turdus philomelos) perched amongst berries, UK. December

Florian Möllers / Blackbird (Turdus merula) male perched on a gravestone, Berlin, Germany, June

Andrew Parkinson / Blackbird (Turdus merula) male foraging on snow covered ground, during a blizzard. Derbyshire, UK. January (non-ex)

Andrew Walmsley / Silhouette of adult Mistle thrush (Turdus viscivorus) nesting in amber traffic light, Glasgow, Scotland, UK, May 2006. Highly commended in Urban and Garden Wildlife category for Wildlife Photographer...

Ross Hoddinott / Female Blackbird {Turdus merula} feeding in snow, Bradworthy, Devon, UK. December 2010

Ross Hoddinott / Male Blackbird {Turdus merula} digging for food in snow, Bradworthy, Devon, UK. December 2010

Ross Hoddinott / Female Blackbird {Turdus merula} in deep snow, nr Bradworthy, Devon, UK, December 2010

Colin Varndell / Fieldfare (Turdus pilaris) feeding on crab-apples, Dorset, UK, January

Paul Hobson / Mistle Thrush (Turdus viscivorus) successfully nesting on amber traffic light in city centre, Yorkshire. Winner of the Man and Nature category of the German GDT 2010 competition

Chris O'Reilly / Blackbird (Turdus merula) female feeding on apple in snow, Derbyshire, UK, January

Chris O'Reilly / Blackbird (Turdus merula) male feeding on apple in snow, Derbyshire, UK, January

Ross Hoddinott / Female blackbird (Turdus merula) in the snow. Near Bradworthy, Devon, UK. January

Paul Hobson / Song thrush (Turdus philomelos) on snow covered ground with apples, Peak District, England, UK. January.

Paul Hobson / Fieldfare (Turdus pilaris) rear view in snow with apples, Peak District, England, UK. January.

Paul Hobson / Fieldfare (Turdus pilaris) in snow with apples, Peak District, England, UK. January.

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

David Tipling / Mistle thrush (Turdus viscivorus) feeding on Rowan berries in snow, Norfolk, December

David Tipling / Mistle thrush (Turdus viscivorus) feeding on berries in garden in snow, winter, Norfolk, England, UK

David Tipling / Male Blackbird (Turdus merula) covered in snow, perched on branch of berries in garden, Norfolk, England

David Kjaer / Male American robin (Turdus migratorius) puffed up to keep warm, and perched on Juniper branch, Kentucky, USA

Gary K. Smith / Male Blackbird, (Turdus merula) feeding on Hawthorn berries, UK, November

Stephen Dalton / Male blackbird (Turdus merula) perched in snow covered Rowan tree with berries, England, UK

Andy Rouse / Blackbird (Turdus merula) pulling worm from ground in garden, UK

Andy Rouse / Blackbird (Turdus merula) perched in crab apple tree, Wiltshire, UK

Andy Rouse / Fieldfare (Turdus pilaris) in flight, Wales, UK (non-ex)

Andy Rouse / Fieldfare (Turdus pilaris) perched in tree near winter berries, Wales, UK

Andy Rouse / Fieldfare (Turdus pilaris) feeding on winter berries, Wales, UK

Andy Rouse / Fieldfare (Turdus pilaris) with feathers fluffed up in snow, Wales, UK (non-ex)

Andy Rouse / Fieldfare (Turdus pilaris) in snow, Wales, UK (non-ex) January

Dave Bevan / Blackbird (Turdus merula) juvenile feeding on Blackcurrant fruit (Ribes sp), UK

Wild Wonders of Europe / Varesvuo / Blackbird (Turdus merula) female at water, Pusztaszer, Hungary, May 2008

Wild Wonders of Europe / Varesvuo / Blackbird (Turdus merula) male bathing, Pusztaszer, Hungary, May 2008

Wild Wonders of Europe / Varesvuo / Blackbird (Turdus merula) male, portrait, Pusztaszer, Hungary, May 2008

Wild Wonders of Europe / Varesvuo / Song Thrush (Turdus philomelos) at water, Pusztaszer, Hungary, May 2008

Wild Wonders of Europe / Varesvuo / Song Thrush (Turdus philomelos) at water, Pusztaszer, Hungary, May 2008

Wild Wonders of Europe / Varesvuo / Blackbird (Turdus merula) female bathing, Pusztaszer, Hungary, May 2008

Donald M. Jones / American Robin (Turdus migratorius) male, Troy, Montana

Donald M. Jones / American Robin (Turdus migratorius) male, Troy, Montana

Jose B. Ruiz / Blackbird (Turdus merula) bathing, Alicante, Spain

Jose B. Ruiz / Song thrush {Turdus philomelos} head with reflection, Spain

Mike Wilkes / Song thrush {Turdus philomelos} breaking snail shell on anvil, St. Marys, Isles of Scilly, UK.

Mike Wilkes / Song thrush {Turdus philomelos} with snail shell, St. Marys, Isles of Scilly, UK.

Andy Sands / Redwing {Turdus iliacus} feeding on rotting apples. UK.

Thomas Lazar / American robin on nest with chicks {Turdus migratorius} Wisconsin, USA

Colin Varndell / Song thrush {Turdus philomelos} UK.

Kim Taylor / Digital composite Blackbird {Turdus merula} drinking at bird bath Captive. UK.

Rolf Nussbaumer / Fieldfare {Turdus pilaris} Switzerland.

Sumio Harada / American Robin (Turdus migratorius) newly-hatched day old chicks begging in nest with unhatched blue egg, Glacier National Park, Montana

Konrad Wothe / Fieldfare (Turdus pilaris) with worms in beak, Germany

Michael Quinton / American Robin (Turdus migratorius) parent feeds grasshopper to chicks in nest cavity at top of a snag, summer, Idaho