Black Oaks with spectacular autumnal colours in Yosemite Valley, UNESCO World Heritage Site, California, United States of America, North America

Oak tree, near Villingen-Schwenningen, Black Forest-Baar (Schwarzwald-Baar) district, Baden-Wurttemberg, Germany, Europe

Sunshine radiates through Black a Tor copse, an ancient oak woodland on Dartmoor's high moorland, Devon, England, United Kingdom, Europe

Morning sunshine lights up a moorland woodland of stunted oak trees, Black a Tor Copse, Dartmoor, Devon, England, United Kingdom, Europe

Morning sun shining through Black a Tor Copse stunted oak woodland on Dartmoor moorland, Devon, England, United Kingdom, Europe

Morning sunshine lights up a moorland woodland of stunted oak trees, Black a Tor Copse, Dartmoor, Devon, England, United Kingdom, Europe

Ewes and lambs under shade of oak tree, Chipping Campden, Cotswolds, Gloucestershire, England, United Kingdom, Europe

Cork oak with stripped bark, Aracena, Sierra Morena, Huelva, Andalucia, Spain, Europe

Autum leaves on oak tree in morning mist, Highclere, Hampshire, England, United Kingdom, Europe

Torre Guinigi topped by Holm oak tree, Lucca, Tuscany, Italy, Europe

wintry trees with morning mist, sunrise, Dreisamtal, Kirchzarten, near Freiburg im Breisgau, Black Forest, Baden-Württemberg, Germany

Glass of whiskey with ice on wooden table with bottle and barrel on background

Solitary oak, English oak (Quercus robur) in autumn fog, Freiburg im Breisgau, Black Forest, Baden-Wurttemberg, Germany, Europe