David Woodfall / Jamie Boyle, RSPB warden for the Uists putting out black oat and rye grass silage. Winter feed for declining corn buntings (Miliaria calandra), Balranald Nature Reserve, North Uist, Outer Hebrides, Sc...

David Woodfall / Jamie Boyle, RSPB warden for the Uists putting out black oat and rye grass silage. Winter feed for declining corn buntings (Miliaria calandra), Balranald Nature Reserve, North Uist, Outer Hebrides, Sc...

Andy Rouse / Black headed bunting, (Emberiza melanocephala), catching flies on sunflower crop, Bulgaria, June.

Ernie Janes / Yellow hammer (Emberiza citinella) on Elder tree, England, UK. May.

Ernie Janes / Yellow hammer (Emberiza citinella) flying sequence, England, UK. Digital composite.

David Tipling / Reed bunting (Emberiza schoeniclus) female at saltmarsh, in autumn, Norfolk, England, UK.

David Tipling / Reed bunting (Emberiza schoeniclus) female at saltmarsh, in autumn, Norfolk, England, UK.

Nick Upton / Reed bunting (Emberiza schoeniclus) feeding on ground, Gloucestershire, England, UK, April.

Paul Hobson / Reed bunting (Emberiza schoeniclus) male singing amongst reeds. Sheffield, England, UK. May.

Paul Hobson / Yellow bunting (Emberiza citrinella) male singing, perched on Hawthorn (Crataegus monogyna) branch. Sheffield, England, UK. April.

Paul Hobson / Yellow bunting (Emberiza citrinella) male singing, perched in Hawthorn (Crataegus monogyna) tree. Sheffield, England, UK. April.

Paul Hobson / Stripe-headed sparrow (Peucaea ruficauda) perched on flower. Costa Rica.