Niall Benvie,Niall Benvie / Great Tit (Parus major) on barbed wire (field studio). Scotland, December.

Sven Zacek,Sven Zacek / Great Tit (Parus major) in flight. Southern Estonia, December.

Andy Trowbridge / Great Tit (Parus major) perched on frost covered spruce branch with wings open in a show of aggression. Southern Norway, October.

Mark Hamblin / 2020VISION / Great tit (Parus major) taking mealworm from person's hand, Pembrokeshire Coast National Park, Wales, UK, May.

Mark Hamblin / 2020VISION / Great tit (Parus major) perched on branch in snow, Scotland, UK, December

Hermann Brehm / Great Tit (Parus major) in flight. Bavaria, Germany, December.

Stephen Dalton / Collection of bird feeders in garden, with Greenfinches (Carduelis chloris) and Great tits (Parus major) UK

Peter Lewis / Great Tit (Parus major) perching on lichen covered twig, New Forest, Hampshire, England

Andy Rouse / Great tit (Parus major) perched on branch, UK

Kim Taylor / Great tit nest {Parus major} with young chicks begging for food, beaks open. Captive, UK.

Dave Watts / Two Great tits with willow catkins in snow, France {Parus major}

Kim Taylor / Great Tit (Parus major) flying off with a peanut. UK, Digital composite