Oscar Dewhurst / Mute swan (Cygnus olor) cygnet swimming. Richmond Park, London, UK. May

Oscar Dewhurst / Mute swan (Cygnus olor), two cygnets sheltering under parent's wing. Richmond Park, London, England, UK. April.

Oscar Dewhurst / Mute swan (Cygnus olor) swimming with cygnets in misty lake in morning light. Richmond Park, London, England, UK. May.

Oscar Dewhurst / Fallow deer (Dama dama) walking across frost-covered playing fields at dawn, with tower blocks of London in the background. Richmond Park, London, UK. December

Gavin Hellier / Timelapse of traffic crossing Tower Bridge, London, England,UK, May 2016. Hellier

Rod Williams / Comma butterfly (Polygonia c-album) feeding on wild aster, Sutcliffe Park Nature Reserve, Eltham, London, UK, September.

David Tipling / Red deer (Cervus elaphus) stag during rut on a misty dawn in Richmond Park National Nature Reserve, London, UK, October.

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

Ernie Janes / London red bus going past Big Ben and the Houses of Parliament at Westminster, London, June 2013.

Ernie Janes / Big Ben and Union Jack Flag, Westminster, London, England, UK, June 2013.

Peter Lewis / Fireworks over the London Eye on New Years Eve 2012. London, England, UK.

Pat Tuson / Wild Perennial Lupin (Lupinus perennis) Gillespie Park Local Nature Reserve an urban ecology park with tower blocks in background, Highbury, London Borough of Islington, England UK

Pat Tuson / Electric car recharging at an Elektrobay Electric Vehicle Recharging Site in an urban street, London Borough of Islington, England UK

Pat Tuson / Over 250 bird and bug boxes, a sculptural installation called Sponanteous City, in a Tree of Heaven (Ailanthus altissima) Duncan Terrace Gardens, London Borough of Islington, England, UK, February 201...

David Tipling / Red deer (Cervus elaphus) stag during rut, has cleared floor of bracken to sit and has bracken stuck in antlers, Richmond Park, London, September

David Tipling / Red deer (Cervus elaphus) stag during rut, has cleared floor of bracken to sit and has bracken stuck in antlers, Richmond Park, London, September

David Tipling / Red deer (Cervus elaphus) stag during rut, has cleared floor of bracken to sit and has bracken stuck in antlers, Richmond Park, London, September

David Tipling / Red deer (Cervus elaphus) stag during rut, has cleared floor of bracken to sit and has bracken stuck in antlers, Richmond Park, London, September

Alex Mustard / Diver exploring the wreckage of the wreck of the Glamis finding a large anchor, East End, Grand Cayman, Cayman Islands, British West Indies. Caribbean Sea.

Alex Mustard / Diver approaches a large colony of Elkhorn coral (Acropora palmata) growing in shallow water on a coral reef. Wreck of the Glamis, East End, Grand Cayman, Cayman Islands, British West Indies. Caribbea...

Rod Williams / Giant willow aphid (Tuberolachnus salignus) on blade of grass. Sutcliffe Park Nature Reserve, Eltham, London, England, UK. July. Cropped image.

Rod Williams / Speckled wood butterfly (Pararge aegeria) pair mating. Beverley Court Gardens, Lewisham, London, England, UK. July.

Rod Williams / Leaf-cutter bee (Megachile maritima) female feeding on Everlasting sweet pea (Lathyrus latifolius). Brockley Cemetery, Lewisham, London, England, UK. July.

Rod Williams / Hoverfly (Sphaerophoria scripta) pair mating. Sutcliffe Park Nature Reserve, Eltham, London, England, UK. July.

Rod Williams / Essex skipper (Thymelicus lineola) nectaring on Knapweed (Centaurea sp). Sutcliffe Park Nature Reserve, Eltham, London, England, UK. July.

Rod Williams / Ivy bee (Colletes hederae) male feeding on Ivy (Hedera helix). Beverley Court Gardens, Lewisham, London, England, UK. October.

Rod Williams / Ivy bee (Colletes hederae) female feeding on Ivy (Hedera helix) blossom. Beverley Court Gardens, Lewisham, London, England, UK. October.

Rod Williams / Digger wasp (Ectemnius lapidarius) female feeding on flower. Beverley Court Gardens, Lewisham, London, England, UK. September.

Rod Williams / Sloes on Blackthorn bush (Prunus spinosa). Sutcliffe Park Nature Reserve, Eltham, London, England, UK. August.

Rod Williams / Flower beetle (Anthocomus rufus) on blade of grass. In reedbed, Sutcliffe Park Nature Reserve, Eltham, London, England, UK. August.

Rod Williams / Spectacled berry fly (Anomoia purmunda) on Reed blade. Sutcliffe Park Nature Reserve, Eltham, London, England, UK. August.

Rod Williams / Hoverfly (Sphaerophoria scripta) pair mating. Sutcliffe Park Nature Reserve, Eltham, London, England, UK. July.

Rod Williams / Banded demoiselle (Calopteryx splendens) male. Sutcliffe Park Nature Reserve, Eltham, London, England, UK. June.

Rod Williams / Large White butterfly caterpillar. (Pieris brassicae). Beverley Court Gardens, Lewisham, London, England, UK. May.

Rod Williams / Common leaf weevil (Phyllobius pyri) Beverley Court Gardens, Lewisham, London, England, UK. May.

Rod Williams / Flavous nomad bee (Nomada flava) Brockley Cemetery, Lewisham, London, England, UK. April.

Rod Williams / Chocolate mining bee (Andrena scotica) female, Brockley Cemetery, Lewisham, London, England, UK. April.

Rod Williams / Hoverfly (Syrphus vitripennis) female, Beverley Court Gardens, Lewisham, London, England, UK. April.

Rod Williams / Dark-edged bee-flies (Bombylius major) mating pair on leaf litter, Brockley Cemetery, Lewisham, London, England, UK. March.

Rod Williams / Painted lady butterfly (Vanessa cardui) feeding on knapweed Sutcliffe Park Nature Reserve, Eltham, London, England, UK. June.

Rod Williams / Lily Beetle (Lilioceris lilii) Beverley Court Gardens, Lewisham, London, England, UK. June.

Rod Williams / Tachinid parasitic fly (Thelaira nigripes) Sutcliffe Park Nature Reserve, Eltham, London, England, UK, June.

Rod Williams / Bumblebee mimic hoverfly (Volucella bombylans) male, mimics Red-tailed bumblebee, Bombus lapidarius Sutcliffe Park Nature Reserve, Eltham, London, England, UK. June.

Rod Williams / Nursery web spider (Pisaura mirabilis) female, unusual colour morph, Brockley Cemetery, Lewisham, London, England, UK. May.

Rod Williams / Nursery web spider (Pisaura mirabilis) female, unusual colour morph, Brockley Cemetery, Lewisham, London, England, UK. May.

Rod Williams / Tachinid parasitic fly (Blepharipa pratensis) Rare species, new to London area Beverley Court Gardens, Lewisham, London, England, UK. May.

Rod Williams / Tachinid parasitic fly (Blepharipa pratensis) Rare species, new to London area. Beverley Court Gardens, Lewisham, London, England, UK, May.

Rod Williams / Large white butterfly caterpillar (Pieris brassicae) moving from one leaf to another, Beverley Court Gardens, Lewisham, London, England, UK, May.