Niall Benvie / Queen Mary's Tree, a veteran Sweet chestnut (Castanea sativa) over 600 years old, Cumbernauld, Scotland, UK, July.

Juan Carlos Munoz / Ferns growing near fallen tree in Chestnut forest, Onati, Gipuzkoa, Basque Country, Spain, Europe

Gary K. Smith / Woodland floor with purple fungi Amethyst Deceiver (Laccaria amethystina), and fallen seed cases and fruit of Sweet Chestnut tree (Castanea savita) Norfolk, UK, October

Terry Whittaker / 2020VISION / Hazel dormouse (Muscardinus avellanarius) running up branch in coppiced hazel tree, Kent, UK. Photographed in wild under licence with remote camera (camera trap), October

Terry Whittaker / 2020VISION / Hazel dormouse (Muscardinus avellanarius) in coppiced hazel tree, Kent, UK. Photographed in wild under licence with remote camera (camera trap), September. 2020VISION Book Plate.

Angelo Gandolfi / Ancient Sweet Chestnut trees (Castanea sativa) growing in the Spelunca Gorges. Porto, Parc Naturel Regional de Corse, Corsica island, France, January 2010

Juan Carlos Munoz / Chestnuts from Sweet chestnut tree {Castenea sativa} Redes NP, Asturias, Northern Spain, October 2007

Andrew Parkinson / Grey squirrel {Sciurus carolinensis} adult standing alert among the fallen leaves of Horse Chestnut tree, Derbyshire, UK

Jose B. Ruiz / Sweet chestnut saplings, San Martin de Trevejo, Las Hurdes, caceres, Extremadura, Spain

Geoff Simpson / Horse chestnut tree sticky bud opening {Aesculus hippocastanum} England

Nigel Cattlin / Horse chestnut leaf miner (Cameraria ohridella) larval damage to Horse chestnut (Aesculus hippocastanum) leaves. Berkshire, England, UK. August.

David Tipling / Chestnut-bellied monarch (Monarcha castaneiventris) perched in tree. Nara, Makira, Solomon Islands.