Benjam Pontinen / Siberian flying squirrel in nest {Pteromys volans} Finland.

Benjam Pontinen / Siberian flying squirrels in nest {Pteromys volans} , Finland.

Dietmar Nill / Wood ants (Formica rufa) attacking Wasp (Polistes gallicus). Germany, Europe

Andrew Cooper / Wood ants emerging from nest after hibernation, UK

Bernard Castelein / Beech wood with Wild garlic / Ramsons {Allium ursinum} and bluebells in flower, Belgium

David Kjaer / Female Sparrowhawk with chicks in nest. (Accipiter nisus) UK

John Downer / Mixed forest showing autumn colours (pine and broadleaf sp.). Hodaka Mountains, Northern Alps, Kamikochi, Japan

Benjam Pontinen / Siberian flying squirrel feeds in alder tree. Nurmo, Finland.

Bernard Castelein / Silver birch tree {Betula verrucosa} at edge of pine wood Kalmthout, Belgium

David Noton / Autumn colours, Saco Valley, USA White mountains, New Hampshire. Landscape of colourful trees.

Thomas Lazar / Black bear cub climbing tree, Minnesota, USA

Dietmar Nill / Young Roe deer (Capreolus capreolus) in leaf litter. Germany, Europe