Ancient oak tree growing in Savernake Forest in springtime, Marlborough, Wiltshire, England, United Kingdom, Europe

Over 1000 years old, the Big Belly Oak is the oldest tree in Savernake Forest, Marlborough, Wiltshire, England, United Kingdom, Europe

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

Ancient oak trees beside a New Forest pond, Hampshire, England, United Kingdom, Europe

Wistman's Wood, ancient oak woodland, Dartmoor, Devon, England, United Kingdom, Europe

Wistman's Wood, ancient oak woodland, Dartmoor, Devon, England, United Kingdom, Europe

A bridleway cuts through ancient oak woodland in mid-summer, in Ashclyst Forest, near Exeter, Devon, England, United Kingdom, Europe

An autumn scene in ancient beech and oak woodland along the banks of the River Teign, in Dartmoor National Park, Devon, England, United Kingdom, Europe

An autumn scene in ancient beech and oak woodland along the banks of the River Teign, in Dartmoor National Park, Devon, England, United Kingdom, Europe

Ancient oak woodland in summer, lining a boulder-strewn River Dart in the heart of Dartmoor National Park, Devon, England, United Kingdom, Europe

An autumn scene in ancient beech and oak woodland along the banks of the River Teign, in Dartmoor National Park, Devon, England, United Kingdom, Europe

A woodland stream, the River Dart flowing through ancient oak woodland, in the heart of Dartmoor National Park, Devon, England, United Kingdom, Europe

Ancient gnarled and stunted oak trees growing among moss-covered boulders in Wistman's Wood, Dartmoor National Park, Devon, England, United Kingdom, Europe

Sun rising through the branches of an ancient oak tree, in autumn, Dartmoor, Devon, England, United Kingdom, Europe

A woodland stream, the River Dart flowing through ancient oak woodland, in the heart of Dartmoor National Park, Devon, England, United Kingdom, Europe

A woodland stream, the River Dart flowing through ancient oak woodland, in the heart of Dartmoor National Park, Devon, England, United Kingdom, Europe

A woodland stream, the River Dart flowing through ancient oak woodland, in the heart of Dartmoor National Park, Devon, England, United Kingdom, Europe

Fungus on an ancient oak tree in The Cotswolds, Oxfordshire, UK

Ancient oak trees at dawn in Bradgate Park in Leicestershire, England, United Kingdom, Europe