Brian Bevan / Long tailed tit (Aegithalos caudates) nest building, Bedfordshire, England, UK, April.

Colin Varndell / Long-tailed tit (Aegithalos caudatus) profile portrait, Dorset, UK February

Ben Hall / Long tailed tits (Aegithalos caudatus) pair perched on pine branch in snowfall, Cheshire, UK March

Grzegorz Lesniewski / Long-tailed Tit (Aegithalos caudatus) portrait. Bieszczady National Park, the Carpathians, Poland, March.

Stephen Dalton / Blue tits (Parus caeruleus) feeding at nut feeder, Long tailed tit (Aegithalos caudatus) flying to feeder, UK

Andy Rouse / Long tailed tit (Aegithalidae caudatus) perched on branch, UK

WILLIAM OSBORN / Long tailed tit & sallow flowers UK

David Tipling / Long-tailed tit (Aegithalos caudatus) in early spring, Norfolk, England, UK, April.

Oscar Dewhurst / Long-tailed tit (Aegithalos caudatus) collecting nesting material. London, England, UK. March.

Ashley Cooper / Long tailed tit (Aegithalos caudatus) flock feeding on fat balls in garden bird feeder, in snow. Ambleside, Lake District National Park, England, UK. February 2020

David Tipling / Long-tailed tit (Aegithalos caudatus) taking off. Norfolk, England, UK. March.

Jussi Murtosaari / Long-tailed tit (Aegithalos caudatus caudatus) perched on branch. Jyvaskyla, Central Finland. August.

Jussi Murtosaari / Long-tailed tit (Aegithalos caudatus caudatus) feeding on seeds in snow. Laukaa, Central Finland. August.

Tony Wu / Long-tailed tit (Aegithalos caudatus) perched on branch. Hokkaido, Japan. February.

Tony Wu / Long-tailed tit (Aegithalos caudatus) taking off from lichen covered branch. Hokkaido, Japan. February.

Tony Wu / Long-tailed tit (Aegithalos caudatus) defecating, perched on branch. Hokkaido, Japan. February.

Tony Wu / Long-tailed tit (Aegithalos caudatus) feeding on icicle formed from sap of Painted maple tree (Acer pictum). Hokkaido, Japan. February.

Tony Wu / Long-tailed tit (Aegithalos caudatus) feeding on icicle formed from sap of Painted maple tree (Acer pictum). Hokkaido, Japan. February. Sequence 1/2.

Tony Wu / Long-tailed tit (Aegithalos caudatus) feeding on icicle formed from sap of Painted maple tree (Acer pictum). Hokkaido, Japan. February. Sequence 2/2.

Tony Wu / Long-tailed tit (Aegithalos caudatus) feeding on icicle formed from sap of Painted maple tree (Acer pictum), tip of icicle in tit's beak. Hokkaido, Japan. February. Sequence 2/2.

Tony Wu / Long-tailed tit (Aegithalos caudatus) feeding on icicle formed from sap of Painted maple tree (Acer pictum). Hokkaido, Japan. February. Sequence 1/2.

Tony Wu / Long-tailed tit (Aegithalos caudatus) feeding on icicle formed from sap of Painted maple tree (Acer pictum). Hokkaido, Japan. February.

Tony Wu / Long-tailed tit (Aegithalos caudatus) feeding on icicle formed from sap of Painted maple tree (Acer pictum). Hokkaido, Japan. February.

Tony Wu / Long-tailed tit (Aegithalos caudatus) perched on branch. Hokkaido, Japan. February.

Nick Upton / Long-tailed tit (Aegithalos caudatus) perched in a Crab apple (Malus sylvestris) tree in a garden, Wiltshire, UK, March.

Nick Upton / Long-tailed tit (Aegithalos caudatus) perched in a Beech tree (Fagus sylvatica) with unopened leaf buds in a garden, Wiltshire, UK, March.

Philippe Clement / Two Long-tailed tits (Aegithalos caudatus) feeding from a bird feeder in a garden, Belgium, March.

Philippe Clement / Two Long-tailed tits (Aegithalos caudatus) feeding from a bird feeder in a garden, Belgium, March.

Philippe Clement / Long-tailed tit (Aegithalos caudatus) feeding from a bird feeder in a garden, Belgium, March.

Ashley Cooper / Long-tailed tit (Aegithalos caudatus) gathering feathers for nest. May.

Fabrice Cahez / Long-talled tit (Aegithalos caudatus) perched, Vosges, France, April.

David Tipling / Long-tailed tits (Aegithalos caudatus) on fat ball feeder in garden Norfolk, England, UK. February.

Steve Downer / Long tailed tits (Aegithalos caudatus) feeding on suet bird feeder, Birmingham, England, UK, March.

Nick Upton / Long-tailed tit (Aegithalos caudatus) perched on a bird feeder filled with peanuts alongside Blue tits (Parus caeruleus) Gloucestershire, UK, February.

Jussi Murtosaari / Long-tailed tit (Aegithalos caudatus caudatus) placing feather in nest, Finland. April.

Jussi Murtosaari / Long-tailed tit (Aegithalos caudatus caudatus) with feather for nest, Finland. April.

Jussi Murtosaari / Long-tailed tit (Aegithalos caudatus caudatus), Finland, March.

Dave Bevan / Long tailed tit (Aegithalos caudatus) feeding chicks, Carmarthenshire, Wales, UK, June

Andy Sands / Long tailed tit (Aegithalos caudatus) at nest with chicks at entrance hole, Hertfordshire, England, UK, April

Andy Sands / Long tailed tit (Aegithalos caudatus) at nest with chicks at entrance hole, Hertfordshire, England, UK, April

Dave Bevan / Long tailed tits (Aegithalos caudatus) feeding from a bird table alongside Blackbirds (Turdus merula), Common chaffinches (Fringilla coelebs), Bramblings (Fringilla montifringilla) and Greenfinches (C...

Stephen Dalton / Long tailed tit (Aegithalos caudatus) on lichen covered branch, Sussex, UK December

Stephen Dalton / Long tailed tit (Aegithalos caudatus) on lichen covered branch, Sussex, UK December

Stephen Dalton / Long tailed tits (Aegithalos caudatus) small flock feed on hanging feeder, Sussex, UK December

Stephen Dalton / Long tailed tits (Aegithalos caudatus) on lichen covered branch, Sussex, UK December

Ernie Janes / Long tailed tit (Aegiyhalos caudatus) on peanut feeder, England, UK, February.

Ernie Janes / Long tailed tit (Aegiyhalos caudatus) on hazel catkins, England, UK, February.

Ernie Janes / Long tailed tit (Aegithalos caudatus) on Hazel branch with catkins, England, UK, February.