Andres M. Dominguez / Firecrest (Regulus ignicapilla) perched on lichen covered branch, Sierra de Grazalema Natural Park, southern Spain, May.

Grzegorz Lesniewski / Firecrest (Regulus ignicapilla) perched on fir branch. Bieszczady National Park, the Carpathians, Poland, April.

David Tipling / 2020VISION / Firecrest (Regulus ignicapillus) male singing, Norfolk, UK, April. Did you know?

David Tipling / Firecrest {Regulus ignicapillus} perched, Norfolk, UK, April

Dave Watts / Firecrest (Regulus ignicapillus) Adult feeding chicks at nest, France

Bruno D'Amicis / Firecrest (Regulus ignicapillus) female feeding on bark of old growth Beech (Fagus sylvatica) forest tree. Abruzzo, Lazio and Molise National Park / Parco Nazionale d'Abruzzo, Lazio e Molise UNESC...

Andres M. Dominguez / Firecrest (Regulus ignicapillus) perched in Common hawthron. Grazalema, Andalusia, Spain, April.

David Kjaer / Firecrest (Regulus ignicapilla) singing,Wiltshire, England, UK, April.

Andres M. Dominguez / Firecrest (Regulus ignicapillus), Cadiz, Andalusia, Spain, April.

Andres M. Dominguez / Firecrest (Regulus ignicapillus) perched on a Giant orchid (Himantoglossum robertianum) Cadiz, Andalusia, Spain, March.

Andres M. Dominguez / Firecrest (Regulus ignicapillus) perched on a frozen branch, Cadiz, Andalusia, Spain, January.

David Tipling / Firecrest (Regulus ignicapilla) male perched, Sheringham, Norfolk, UK, April.

Andy Sands / Firecrest (Regulus ignicapillus) perched in Oak tree, Hampshire, England, UK, May

David Kjaer / Firecrest (Regulus ignicapillus) male, Wiltshire, UK April

David Kjaer / Firecrest (Regulus ignicapillus) male, Wiltshire, UK April

David Kjaer / Firecrest (Regulus ignicapillus) male, Wiltshire, UK April

David Kjaer / Firecrest (Regulus ignicapillus) male, Wiltshire, UK, April.

David Kjaer / Firecrest (Regulus ignicapillus) male, Wiltshire, UK, April.

David Kjaer / Firecrest (Regulus ignicapillus) male, Wiltshire, UK, April.

Hanne & Jens Eriksen / Golden crowned kinglet (Regulus satrapa) looking for food, New Jersey, USA, October.

David Tipling / Firecrest (Regulus ignicapilla) male, Sheringham, Norfolk, UK, April.

David Tipling / Firecrest (Regulus ignicapillus) perched, Norfolk, England, UK, April.

Thomas Hinsche / Common Firecrest (Regulus ignicapilla), Saxony-Anhalt, Germany

Ralph Martin / Firecrest (Regulus ignicapilla), Baden-Wurttemberg, Germany

Ralph Martin / Firecrest (Regulus ignicapilla), Baden-Wurttemberg, Germany

Loic Poidevin / Common firecrest (Regulus ignicapilla) on branch amongst salt cedar (Tamarix gallica) Breton marsh, West France, December

Loic Poidevin / Common firecrest (Regulus ignicapilla) on branch amongst salt cedar (Tamarix gallica) Breton marsh, West France, December

Wild Wonders of Europe / Préau / Man holding Firecrest (Regulus ignicapillus) caught in net for ringing in allotment, Grande-Synthe, Dunkirk, France, September 2010, model released

Wild Wonders of Europe / Préau / Hand holding Firecrest (Regulus ignicapillus) caught in net for ringing in allotment, Grande-Synthe, Dunkirk, France, September 2010, model released

Wild Wonders of Europe / Préau / Man measuring Firecrest (Regulus ignicapillus) wing length, caught in net in allotment, Grande-Synthe, Dunkirk, France, September 2010, model released

Wild Wonders of Europe / Préau / Man blowing feathers on underside of Firecrest (Regulus ignicapillus) caught in net in allotment, Grande-Synthe, Dunkirk, France, September 2010, model released

Wild Wonders of Europe / Préau / Man ringing Firecrest (Regulus ignicapillus) caught in net in allotment, Grande-Synthe, Dunkirk, France, September 2010, model released

Wild Wonders of Europe / Préau / Firecrest (Regulus ignicapillus) caught in mist net for ringing, in allotment, Grande-Synthe, Dunkirk, France, September 2010

David Kjaer / Firecrest (Regulus ignicapillus) male. Wiltshire, England.

David Kjaer / Firecrest (Regulus ignicapillus) male, Wiltshire, England.

David Kjaer / Firecrest (Regulus ignicapillus) male singing. Wiltshire, England.

David Kjaer / Firecrest (Regulus ignicapillus) male singing. Wiltshire, England.

David Kjaer / Firecrest (Regulus ignicapillus) male singing. Wiltshire, England.

David Kjaer / Firecrest (Regulus ignicapillus) male singing. Wiltshire, England.

David Kjaer / Male Firecrest (Regulus ignicapillus) singing, Wiltshire, England

David Kjaer / Male Firecrest (Regulus ignicapillus) on branch with blossom on it, Wiltshire, England

David Kjaer / Male Firecrest (Regulus ignicapillus) singing, Wiltshire, England

David Kjaer / Male Firecrest (Regulus ignicapillus), Wiltshire, England

David Kjaer / Male Firecrest (Regulus ignicapillus) on snowy branch, Wiltshire, England

David Kjaer / Male Firecrest (Regulus ignicapillus) feeding, Wiltshire, England

David Kjaer / Male Firecrest (Regulus ignicapillus) singing, Wiltshire, England

David Kjaer / Male Firecrest (Regulus ignicapillus) on branch with blossom on it, Wiltshire, England

Dave Watts / Firecrest with chicks begging in nest {Regulus ignicapillus} France

Flip de Nooyer / Firecrest (Regulus ignicapilla) adult perched on a branch, Europe

Dietmar Nill / Firecrest {Regulus ignicapillus} Germany

Dietmar Nill / Firecrest {Regulus ignicapillus} Germany

Dave Watts / Firecrest feeds chicks in nest {Regulus ignicapillus} France

Dave Watts / Firecrest at nest {Regulus ignicapillus} Europe

Ewan Flynn / Firecrest (Regulus ignicapilla) perched on a branch, calling, Bialowieza forest, Poland. May.

Markus Varesvuo / Firecrest (Regulus ignicapilla) amongst oak leaves in autumn, Parainen Uto, Finland. October.

Markus Varesvuo / Firecrest (Regulis ignicapilla) in flight, Parainen, Uto, Finland. October.

Jussi Murtosaari / Firecrest (Regulus ignicapilla) male perched on branch. Ruissalo, Finland. June.

Staffan Widstrand / Wild Wonders of China / Taiwan Flamecrest (Regulus goodfellowi) endemic species, Alishan, Taiwan

Andres M. Dominguez / Common firecrest (Regulus ignicapilla) taking off, Sierra de Grazalema Natural Park. Southern Spain. September