David Tipling / Great tit {Parus major} on bird seed feeder in snow, Norfolk, UK

David Tipling / Great Tit {Parus major} chicks in nest box begging, soon ready to fledge, Norfolk April

David Tipling / Great Tit {Parus major} removing a faecal sac from nest box, Norfolk, UK

David Tipling / Great Tit {Parus major} bringing caterpillar to nest box in woodland, Norfolk, UK, April

David Tipling / Great tit (Parus major) brood close to fledging in nest box, Norfolk, UK, June

David Tipling / Two Blue tits (Parus caeruleus) and a Great tit (Parus major) on fat feeder, UK

David Tipling / Great tit (Parus major) perched on branch with caterpillar in its beak, Norfolk, UK, June

Warwick Sloss / Great tit (Parus major) perching on fence, winter, Somerset, UK

Warwick Sloss / Great tit (Parus major) perching on barbed wire fence, winter, Somerset, UK

Alan Williams / Great tit (Parus major) perched on twig with catkins, Essex, UK, February

Alan Williams / Great tit (Parus major) perched on twig with catkins, Essex, UK, February

Alan Williams / Great tit (Parus major) perched on twig with catkins, Essex, UK, February

Alan Williams / Great tit (Parus major) on twig with catkins, Essex, UK, February

Wild Wonders of Europe / Zacek / Great tit (Parus major) on tree stump, Korouma, Posio, Finland, February 2009

Wild Wonders of Europe / Zacek / Great spotted woodpecker (Dendrocopos major) with Great tit (Parus major) landing on dead tree trunk, Korouma, Posio, Finland, February 2009

Wild Wonders of Europe / Zacek / Great tit (Parus major) perched on tree, Korouma, Posio, Finland, February 2009

Niall Benvie / Great tit (Parus major) perched on twig, Finland.

Wild Wonders of Europe / Varesvuo / Great Tit (Parus major) at water with insect prey, Pusztaszer, Hungary, May 2008

David Kjaer / Great Spotted Woodpecker (Dendrocopos major) and Great Tit (Parus major) perched on post with wire, Buckinghamshire, England

David Kjaer / Great Spotted Woodpecker (Dendrocopos major) and Blue Tit (Parus caeruleus) perched on post with wire, Buckinghamshire, England

David Kjaer / Great tit (Parus major) on Silver birch beneath Bracket / Tinder fungus (Piptoperus betulinus) Buckinghamshire, UK

Ian McCarthy / Great tit {Parus major} perched in snow on lichen covered branch, Abernethy forest, Scotland, UK

Rolf Nussbaumer / Great Tit (Parus major) male perched on snow, Switzerland, December

Duncan Usher / Great Tit (Parus major) flying, Lower Saxony, Germany

Duncan Usher / Great Tit (Parus major) flying with peanut, Lower Saxony, Germany

Duncan Usher / Great Spotted Woodpecker (Dendrocopos major) and Great Tit (Parus major) searching for food, Germany

Konrad Wothe / Blue Tit (Cyanistes caeruleus) foraging in winter, Bavaria, Germany

Konrad Wothe / Great Tit (Parus major) in winter, Bavaria, Germany

Dave Bevan / Great tit (Parus major) feeding on nut feeder in snow, Wales, UK, February

Michel Poinsignon / Great Tit (Parus major) coming out of nest hole carrying faecal pellet, Lorraine, France

Michel Poinsignon / Great Tit (Parus major) flying to the nest hole with caterpillar prey, Lorraine, France

Michel Poinsignon / Great Tit (Parus major) flying to the nest hole with caterpillar prey, Lorraine, France

Michel Poinsignon / Great Tit (Parus major) flying with caterpillar prey, Lorraine, France

Michel Poinsignon / Great Tit (Parus major) flying to the nest hole with caterpillar prey, Lorraine, France

Mike Wilkes / Great tit {Parus major} collecting sheeps wool off barbed wire, UK

Mike Wilkes / Great tit {Parus major} on gate hinge, displaying threat behaviour, Warkickshire, UK

Kim Taylor / Great Tits (Parus major) in flight with peanut in beak, digital composite, Surrey, UK

Mike Wilkes / Great tit {Parus major} collecting sheeps wool off barbed wire, UK

Mike Wilkes / Great tit {Parus major} female perching on branch with Blackthorn blossom, Warwickshire, UK

Rolf Nussbaumer / Great Tit {Parus major} male landing on berries of European cranberry bush (Viburnum opulus) in snow, Switzerland

Rolf Nussbaumer / Great Tit {Parus major} male on spruce branch in snow, Switzerland

Andy Sands / Great tit (Parus major) Portrait on lichen covered twig, Hertfordshire, UK, January

Andy Sands / Great tit (Parus major) Portrait on lichen covered twig, Hertfordshire, UK, February

Mike Wilkes / Great tit {Parus major} perched amongst Blackthorn sloe berries, Warwickshire, UK

Nature Production / Great Tit {Parus major} amongst autumn foliage, Yamanashi, Japan

Jose B. Ruiz / Great tit {Parus major} at waters edge, Spain

Jose B. Ruiz / Great tit {Parus major} perching on branch over water, Spain

Dave Bevan / Great tit {Parus major} coming out of nestbox, Carmarthenshire, Wales, UK

Dave Bevan / Great tit {Parus major} on branch sounding alarm call, Carmarthenshire, Wales, UK

Nature Production / Great Tit {Parus major} flying with spider prey, Japan

David Kjaer / Great tit {Parus major} perching on Scots pine branch, Deeside, Scotland

David Tipling / Blue tits (Parus caeruleus) Coal tits (Parus ater) and Great tit (Parus major) on feeder, UK

Paul Hobson / Great Tit (Parus major) about to land, Yorkshire, uk

Mike Wilkes / Great tit in Holly bush {Parus major} Worcestershire, England, UK

Pete Cairns / Great Tit (Parus major) perched on spruce tree, Nord-Trondelag, Norway

David Cottridge / Great tit (Parus major) with deformed bill, UK

Mike Wilkes / Great tit {Parus major} amongst Hawthorn berries in snow, UK

Dietmar Nill / Great tit {Parus major} male, Germany

Dietmar Nill / Hawfinch {Coccothraustes coccothraustes} and Great Tit {Parus major} on feeder in garden, Germany

Dietmar Nill / Great Tit {Parus major} amongst blossom, Germany

David Cottridge / Great tit (Parus major) perched in Elder (Sambucus sp) with elderberries, UK

WILLIAM OSBORN / Great Tit feeding on peanuts (Parus major) Wiltshire, England

Kim Taylor / Great tit {Parus major} nest with eight eggs. UK.

Kim Taylor / Great tit {Parus major} nest with eight eggs. UK.

Philippe Clement / Great tit on birch trunk {Parus major} Belgium

DAVID TIPLING / Great tit {Parus major} and Blue tit {Parus caeruleus} on feeder, winter, England

Kim Taylor / Great tit {Parus major} nest with 5 day old chicks. Captive, UK.

Kim Taylor / Great tit {Parus major} nest 11 day old chicks. Captive, UK.

Kim Taylor / Great tit {Parus major} nest with 1 day old chicks. Captive, UK.

Kim Taylor / Great tit {Parus major} nest with 9 day old chicks. Captive, UK.

Kim Taylor / Great tit {Parus major} nest with 3 day old chicks. Captive, UK.

Flip de Nooyer / Great Tit (Parus major) adult on tree trunk, Europe

Duncan Usher / Marsh Tit (Parus palustris) and Great Tit (Parus major) fighting over Sunflower Seeds, Europe

Duncan Usher / Marsh Tit (Parus palustris) and Great Tit (Parus major) foraging for Sunflower Seeds, Europe

Duncan Usher / European Greenfinch (Chloris chloris) Marsh Tit (Parus palustris) and Great Tit (Parus major) foraging for sunflower seeds, Europe

Duncan Usher / European Greenfinch (Chloris chloris) and Great Tit (Parus major) arguing over sunflower seeds, Europe

Duncan Usher / Great Tit (Parus major) foraging for seeds on sunflower, Europe

Duncan Usher / Great Tit (Parus major) on dried sunflower, Europe

Duncan Usher / European Greenfinch (Chloris chloris) and Great Tit (Parus major) eating Sunflower Seeds, Europe

Bengt Lundberg / Great tit taking butterfly prey to 6-day-old chicks inside nest box {Parus major} Sweden

Dave Watts / Great tit feeding hungry chicks in nest {Parus major} France. Digital composite

Dave Watts / Great tit feeding chicks at nest {Parus major} France Digital composite

Niall Benvie / Great tit {Parus major} perched on Red deer antler Estonia Europe

Jan Vermeer / Great Tit (Parus major) two feeding on bag of peanuts with a Eurasian Siskin (Carduelis spinus) in winter, Europe

Flip de Nooyer / Great Tit (Parus major) bathing, Europe

Flip de Nooyer / Great Tit (Parus major) six on tree trunk, Europe

Duncan Usher / Great Tit (Parus major) pair and Blue Tits (Cyanistes caeruleus) at feeder, Europe

Duncan Usher / Great Tit (Parus major) and Blue Tit (Cyanistes caeruleus) flock feeding on bird feeder in winter, Europe

Mike Read / Great tit on basket containing wool for nest building {Parus major} England

Terry Andrewartha / Great tit bathing {Parus major} UK

Dave Watts / Great tit {Parus major} amongst blossom, Pyrenees, France

Dave Watts / Great tit {Parus major} on catkins, Pyrenees, France

David Kjaer / Great tit on feeder {Parus major} Wiltshire, UK

David Cottridge / Great tit {Parus major} above and Blue tit {Parus caeruleus} below, Essex, UK.

Hanne & Jens Eriksen / Great tit adult with young begging for food {Parus major} Denmark

David Kjaer / Great tit {Parus major} perched on willow. Wiltshire, UK, early spring.