Bertie Gregory / 2020VISION / Juvenile male Peregrine falcon (Falco peregrinus)perched on a window ledge, with graffitied window behind, Bristol, England, UK, June.

Igor Shpilenok / Two Red foxes (Vulpes vulpes) approaching the photographers cabin, where one stands on the open window ledge. Kronotsky Zapovednik, Kamchatka, Russia

David Perpinan / Three Common rock sparrows (Petronia petronia) on a window ledge near nest, Cuenca, Castile-La Mancha, Spain, June.

SCOTLAND: The Big Picture / Pine marten (Martes martes) sitting on windowsill of house, Ardnamurchan, Lochaber, Highland, Scotland, UK, June.

SCOTLAND: The Big Picture / Pine marten (Martes martes) feeding on windowsill of house, Ardnamurchan, Lochaber, Highland, Scotland, UK, June.

Markus Varesvuo / House Bunting (Emberiza sahari) perched on window ledge, singing, Morocco, February

Shattil & Rozinski / Two juvenile Great horned owls (Bubo virginianus) perched on a window sill, Denver, Colorado, USA, April.

Bertie Gregory / 2020VISION / Peregrine falcon (Falco peregrinus) feeding male chick on the window ledge of a derelict building, with graffiti on window behind, Bristol, England, UK, June.

Bertie Gregory / 2020VISION / Juvenile male Peregrine falcon (Falco peregrinus) perched on the window ledge of a highrise building, Bristol, England, UK, July.

Paul Hobson / Female Kestrel (Falco tinnunculus) perched in window ledge of old barn, UK, October

Laurent Geslin / Four Kestrel chicks (Falco tinnunculus) on a window ledge. Paris, France

Aflo / Domestic cats on roof and window ledge {Felis catus} Japan