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

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.

David Tipling / Five Blue tits (Cyanistes caeruleuss) and one Grat tit (Parus major) feeding 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.