Erlend Haarberg / Autumn in the birch forest at Hraunfossar. Iceland.

Alex Hyde / Looking up at Beech wood canopy (Fagus sylvatica) in autumn, Peak District National Park, Derbyshire, UK, November

Suzi Eszterhas / Yellow-pine chipmunk {Eutamias amoenus} standing on rock, Yellowstone NP, Montana, USA

Rob Tilley / Yellow-pine chipmunk {Eutamias amoenus} Mt Rainier NP, Washington, USA.