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

Markus Varesvuo / Yellow browed warbler (Phylloscopus inornatus) perched on twig, Uto, Finland, September.

Alan Murphy / Golden-crowned Kinglet (Regulus satrapa) male, Texas

Markus Varesvuo / Goldcrest (Regulus regulus) perched amongst juniper berries, Espoo, Finland, February

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?

Stephen Dalton / Goldcrest ( Regulus regulus) in flight, UK

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

Andy Sands / Goldcrest (Regulus regulus) male in full song, Buckinghamshire, England, UK.

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

Claus Meyer / Striped Manakin (Machaeropterus regulus) couple perching on branch, Atlantic Forest ecosystem, Brazil

Nigel Bean / Goldcrest, England UK