David Kjaer / Male Twite (Carduelis flavirostris) perched on gorse, North Uist, Outer Hebrides, Scotland, May

Wild Wonders of Europe / Jensen / Twite (Carduelis flavirostris) perched, Saqqaq, Greenland, August 2009

Markus Varesvuo / Twite (Carduelis flavirostris) pecking seed heads, Uto Finland November

Markus Varesvuo / Twite (Carduelis flavirostris) profile portrait, Uto Finland November

Alan Williams / Twite (Carduelis / Acanthis flavirostris) flock in flight over stubble field. Islay, Scotland, March.

Alan Williams / Twite (Carduelis / Acanthis flavirostris) flock in flight over stubble field. Islay, Scotland, March.

Bruno D'Amicis / Twite (Carduelis / Acanthis flavirostris) in breeding plumage on thistle. Greater Caucasus, Georgia, September.

Bruno D'Amicis / Twite (Carduelis / Acanthis flavirostris) in breeding plumage perching on thistle. Greater Caucasus, Georgia, September.

Fergus Gill / Twite (Carduelis / Acanthis flavirostris) resting on a barbed wire fence. Isle of Berneray, Outer Hebrides, Scotland, August

Fergus Gill / Twite (Carduelis / Acanthis flavirostris) resting on a barbed wire fence. Isle of Berneray, Outer Hebrides, Scotland. August

Andrew Parkinson / Twite (Carduelis / Acanthis flavirostris) perched on coastal rocks, Shetland Islands, Scotland, UK, July (non-ex)

Alan Williams / Twite (Carduelis / Acanthis flavirostris) perched on rocky shore, North Wales Coast, UK, December

Alan Williams / Twite (Carduelis / Acanthis flavirostris) feeding on rough grassy area near beach, North Wales Coast, UK, December

David Kjaer / Twite (Carduelis flavirostris) male, North Uist, Outer Hebrides, Scotland, May

David Kjaer / Male Twite (Carduelis flavirostris) perched on gorse, North Uist, Outer Hebrides, Scotland, May

David Kjaer / Male Twite (Carduelis flavirostris) perched, North Uist, Outer Hebrides, Scotland, May

David Kjaer / Female Twite (Carduelis flavirostris) with nest material, North Uist, Outer Hebrides, Scotland, May

Steve Knell / Twite (Cardeu / Acanthis flavirostris) perched on wall covered in lichen. Shetland Isles, Scotland, UK, June

Gary K. Smith / Twite (Acanthis / Carduelis flavirostris) flock in flight over coastal saltmarsh, Norfolk Uk, February.

David Kjaer / Twite (Acanthis flavirostris) male perched on gorse warming in sun, North Uist, Scotland

Steve Knell / Twite (Acanthis flavirostris) female on lichen-covered wall. Shetland Isles, Scotland, July

Paul Hobson / Male Twite (Carduelis flavirostris) on heather, Pennines, uk

Paul Hobson / Male Twite (Carduelis flavirostris) on fence post, Pennines, uk

Paul Hobson / Male Twite (Carduelis flavirostris) perching on bracken, Pennines, uk

Paul Hobson / Male Twite (Carduelis flavirostris) on barbed wire, Pennines, uk

Paul Hobson / Twite (Carduelis flavirostris) perching on bracken, Pennines, uk

Paul Hobson / Twite (Carduelis flavirostris) on bracken, carrying faecal sac, Pennines, uk

Paul Hobson / Female Twite (Carduelis flavirostris) on post, showing coloured leg rings, Pennines, uk

Paul Hobson / Three twite chicks (Carduelis flavirostris) in nest, Pennines, uk

Andy Sands / Twite {Acanthis flavirostris} perching on top of Gorse bush, North Uist, Outer Hebrides, Scotland

Steve Knell / Twite {Acanthis flavirostris} perched on wire fence, UK.

Paul Hobson / Twite in heather {Acanthis flavirostris} Yorkshire, England

Paul Hobson / Twite in heather {Acanthis flavirostris} Yorkshire, England

Paul Hobson / Twite in heather {Acanthis flavirostris} Yorkshire, England

David Kjaer / Male Twite on gorse {Acanthis flavirostris} North Uist, Scotland, UK

Niall Benvie / Twite perched on wire. (Acanthis flavirostris) Scotland Coll, Argyll