Andy Sands / Bank vole (Clethrionomys glareolus) standing up to feed on Black Bryony berries, Captive, UK.

Colin Varndell / Black bryony (Dioscorea communis) berries, England, UK, September.

John Waters / Black Bryony (Tamus communis), with berries, Oxwich Bay, Gower peninsula, Wales, UK, October.

Chris Mattison / Black bryony (Tamus communis) berries in autumn. Catbrook, Monmouthshire, UK, November.

Chris Mattison / Black bryony (Dioscorea communis) berries, Snowdonia National Park, North Wales, UK October

Chris Mattison / Black bryony (Dioscorea communis) berries, Snowdonia National Park, North Wales, UK October

Gary K. Smith / Black bryony (Tamus communis) ripe berries in Autumn hedgerow, Norfolk, England UK. October

Gary K. Smith / Black bryony (Tamus communis) Norfolk, England UK. October.

Alex Hyde / Black bryony (Tamus communis) berries. Cambridgeshire, UK. September.

Alex Hyde / Black bryony (Tamus communis) berries ripening, Cambridgeshire, UK. September.

Colin Varndell / Black bryony (Dioscorea communis) flowers and foliage. Dorset, UK, June.

Nick Upton / Black bryony (Dioscorea communis) with berries, GWT Lower Woods reserve, Gloucestershire, UK, October.