Chris Gomersall / 2020VISION / Northern wheatear (Oenanthe oenanthe) adult male in spring plumage feeding on dung flies at farm midden heap, Hertfordshire, UK, April

Chris Gomersall / 2020VISION / Northern wheatear (Oenanthe oenanthe) adult male in spring plumage feeding on dung flies at farm midden heap, Hertfordshire, UK, April

Chris Gomersall / 2020VISION / Adult male Northern wheatear (Oenanthe oenanthe) with ruffled plumage feeding on flies from a manure pile, backlit, Hertfordshire, England, UK, April

Wild Wonders of Europe / Lilja / Cyprus pied wheatear (Oenanthe cypriaca) perched on barbed wire singing, Northern Cyprus, April 2009

David Pattyn / Northern wheatear (Oenanthe oenanthe) arriving in the valley with most of the grass still covered in snow, Valsavarenche, Gran Paradiso National Park, Aosta Valley, Italy

Paul Hobson / Wheatear (Oenanthe oenanthe), female perched on stone wall. Sheffield, England, UK. May.

Paul Hobson / Wheatear (Oenanthe oenanthe), female perched on stone wall. Sheffield, England, UK. May.

Werner Bollmann / Wheatear (Oenanthe oenanthe) in early morning light, Oland, Sweden, June.

Werner Bollmann / Wheatear (Oenanthe oenanthe) in early morning light, Oland, Sweden, June.

Jussi Murtosaari / Desert wheatear (Oenanthe deserti), female, Finland, October. Vagrant bird.

Jussi Murtosaari / Desert wheatear (Oenanthe deserti), female, Finland, October. Vagrant bird.

Andres M. Dominguez/ BIA / Northern Wheatear (Oenanthe oenanthe) male, Asturias, Spain