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

Dong Lei / Black-throated tits (Aegithalos concinnus) in tree, Gaoligong Mountain National Nature Reserve, Tengchong county, Yunnan Province, China.

Markus Varesvuo / Long-tailed Tit (Aegithalos caudatus), Hanko Finland October

Markus Varesvuo / Long-tailed Tit (Aegithalos caudatus), Helsinki Finland January

Markus Varesvuo / Long-tailed Tit (Aegithalos caudatus) adult at nest hole in tree with chicks. Helsinki, Finland. May

Stephen Dalton / Long tailed tits (Aegitalos caudatus) and Blue tits (Cyanistes caeruleus) on bird feeder, Sussex, England, UK, March.

Kim Taylor / Long-tailed Tits (Aegithalos caudatus) feeding from bowl. Surrey, England, Januaray

Alan Williams / Long-tailed Tit (Aegithalos caudatus) eating Sunflower seed while hanging on feeder arm in garden Cheshire, UK, February

Bence Mate / Juvenile Long-tailed tit (Aegithalos caudatus) calling at waters edge, Pusztaszer, Kiskunsagi National Park, Hungary

Bence Mate / Flock of Long-tailed tits (Aegithalos caudatus) at water's edge, with reflections, Pusztaszer, Kiskunsagi National Park, Hungary

Bence Mate / Long tailed tit {Aegithalos caudatus} Pusztaszer, Hungary

Colin Varndell / Long-tailed tit (Aegithalos caudatus rosaceus). Dorset, UK, February.