Biogradska forest in Montenegro

Old-growth beech trees: Brussels, part of the Sonian Forest

Temperate rainforest in Tasmania's Hellyer Gorge

The Fatu Hiva rainforest, Polynesia.

Parambikulam Forest, Kerala, India

Ancient woodland at Brading, Isle of Wight, England showing bluebells (Hyacinthoides non-scripta), ramsons (white flowers, Allium ursinum) and hazel trees (Corylus avellana)

A forest is a piece of land with many trees. Forests are important and grow in many places around the world. They are an ecosystem which includes many plants and animals. Many animals live in forests and need them to survive.