Markus Johannsen/ BIA / European Greenfinch (Chloris chloris) male, Lower Saxony, Germany

Markus Johannsen/ BIA / European Greenfinch (Chloris chloris) male, Lower Saxony, Germany

Thomas Marent / Boulenger's Green Anole (Anolis chloris) male displaying, Tatama National Park, Colombia

Ben Hall / Greenfinch (Carduelis chloris) pair, one perched on branch and one hovering in snowfall, Derbyshire, February.

Markus Varesvuo / Greenfinch (Carduelis carduelis) perched on branch, feeding on snow covered berries, Vantaa Finland, Scandinavia, December.

Bence Mate / Greenfinches (Carduelis chloris) and House sparrows (Passer domesticus) blurred long exposure photograph, Hungary, February.

Sven Zacek,Sven Zacek / European Greenfinch (Carduelis chloris) in flight. Southern Estonia, December.

Sven Zacek,Sven Zacek / European Greenfinch (Carduelis chloris) in flight. Southern Estonia, December.

Mark Hamblin / 2020VISION / Greenfinch (Carduelis chloris) male perched in hedgerow in frost, Scotland, UK, December

Colin Varndell / Greenfinches (Carduelis chloris) squabbling in flight, Dorset, UK, February

Colin Varndell / Male Greenfinches (Carduelis chloris) squabbling in flight. Dorset, UK, March.

Colin Varndell / Male Greenfinch (Carduelus chloris) in flight, calling Dorset, UK, February