Matthew Maran / Grass snake (Natrix natrix) flicking tongue, Hampstead Heath, London, England, UK, August.

Matthew Maran / Landscape of London at dawn with fog from Hampstead Heath, London, England, UK. November 2014.

Matthew Maran / Sunset over snow-covered Hampstead Heath in winter, London, UK, January 2013.

Matthew Maran / Oak tree (Quercus robur) in snow, Hampstead Heath, London, UK, January 2013.

Matthew Maran / Mute swans (Cygnus olor) Highgate Ponds, Hampstead Heath, London, UK, February.

Matthew Maran / Great created grebe (Podiceps cristatus) with chick following, and person swimming in pond, Hampstead Heath, London, July 2014.

Pat Tuson / Santander Cycles or Boris Bikes, bicycle hire scheme docking station, corner of Hampstead Road and Euston Road, Camden, England, Britain, UK, March 2016.

Pat Tuson / Santander Cycles or Boris Bikes, bicycle hire scheme docking station with number 29 bus, corner of Hampstead Road and Euston Road, Camden, England, UK, March 2016.

Paul D Stewart / Albin's Hampstead eye butterfly (Junonia villida) illustration from from 'A History of British Butterflies' by the Rev. Francis Orpen Morris, published in London 1853. Only one specimen was ever recor...

Matthew Maran / Kingfisher (Alcedo atthis) female emerging from water with fish, Hampstead Heath, London, England, UK, September.

Matthew Maran / Young boy picking Blackberries (Rubus fruticosus) Hampstead Heath, London, England, UK, August.

Matthew Maran / Conservationist holding Hedgehog (Erinaceus europaeus) at night during survey work, Hampstead Heath, London, England, UK. September.