Bertie Gregory / 2020VISION / Close-up of Grey squirrel (Sciurus carolinensis) holding a nut, feeding in Regent's Park, London, England, UK, April. Did you know? Grey squirrel males are called bucks and females are called does.

Bertie Gregory / 2020VISION / Red deer (Cervus elaphus) stag in Richmond Park, with blocks of flats in the background, London, England, UK, October

Terry Whittaker / 2020VISION / Rear view of Red deer (Cervus elaphus) stag with a man running past, Bushy Park, London, UK, October. 2020VISION Book Plate. Did you know? Henry VIII established this park in 1529 as deer-hunting grou...

Terry Whittaker / 2020VISION / Red deer (Cervus elaphus) stag bellowing, rutting season, Roehampton Flats in background, Richmond Park, London, UK, September

Bertie Gregory / 2020VISION / Young Red fox (Vulpes vulpes) in urban park, Bristol, UK, January

Nick Upton / 2020VISION / Seven-spot Ladybird (Coccinella septempunctata) foraging on flowerbuds, Parade gardens park, with Bath Abbey in the backgrond, Bath, England, UK, June

Bertie Gregory / 2020VISION / Grey herons (Ardea cinerea) standing in symmetry in Regent's Park, London, England, UK, July

Nick Upton / 2020VISION / Carrion crow (Corvus corone) foraging on lawn with woman standing in shadow and a man running in the background, St. James's Park, London, UK, January. Did you know? These clever birds have been known...

Terry Whittaker / 2020VISION / Three Grey herons (Ardea cinerea) fighting in Regent's Park, London, UK, April 2011.

Terry Whittaker / 2020VISION / Grey heron (Ardea cinerea) flying past building, Regent's Park, London, UK, May 2011

Terry Whittaker / 2020VISION / Grey herons (Ardea cinerea) fighting over food on a frozen lake, Regents Park, London, England, UK, February

Bertie Gregory / 2020VISION / Boy watching a Grey heron (Ardea cinerea) in Regent's Park, London, England, UK, July 2011 Model Release Available

Bertie Gregory / 2020VISION / Flock of Grey herons (Ardea cinerea) standing in a line on the edge of a pond, Regent's Park, London, England, UK, May. Did you know? According to new research, over 91% of people believe that public...

Terry Whittaker / 2020VISION / Grey heron (Ardea cinerea) in flight carrying nesting material, flying over Regent's Park with the BT tower in the background, London, UK, April 2011

Terry Whittaker / 2020VISION / Grey heron (Ardea cinerea) amongst visitors in Regent's Park, London, UK, April 2011. Photographer quote: 'It was fascinating to watch public reaction to the large numbers of herons in London's parks...

Terry Whittaker / 2020VISION / Grey heron (Ardea cinerea) adult and chicks in nest in willow tree, chicks begging for food, Regent's Park, London, UK, May 2011.

Bertie Gregory / 2020VISION / Portrait of a Grey heron (Ardea cinerea) with a family using a pedal boat on Regent's Park boating lake, London, England, UK, April

Bertie Gregory / 2020VISION / Juvenile Grey heron (Ardea cinerea) walking towards the camera, with a jogger running past in the background, Regent's Park, London, England, UK, July

Bertie Gregory / 2020VISION / Grey heron (Ardea cinerea) flying past a family using a pedal boat on Regent's Park boating lake, London, England, UK, April 2011

Terry Whittaker / 2020VISION / Coot (Fulica atra) on nest, with a jogger running past in the background, Regents Park, London, England, UK, May

Terry Whittaker / 2020VISION / Coots (Fulica atra) on nest, Regents Park, London, England, UK, February

Nick Upton / 2020VISION / Low angle view of Greylag geese (Anser anser) approaching with Feral pigeons (Columba livia) and people in the background, Regent's Park, London, UK, January.

Nick Upton / 2020VISION / Low angle view of Whooper swans (Cygnus cygnus) and Coots (Fulica atra) on boating lake in winter sunshine, Regent's Park, London, UK, January.

Nick Upton / 2020VISION / Mallard Duck (Anas platyrhynchos) female nesting in ornamental stone flowerpot among Pansies (Viola x wittrockiana). Parade Gardens Park, Bath, UK, June. Did you know? A female mallard may lay more th...

Terry Whittaker / 2020VISION / Man reaching out to hand feed Grey squirrel (Sciurus carolinensis) in parkland, Regent's Park, London.

Terry Whittaker / 2020VISION / Woman leaning against tree, feeding Grey Squirrel (Sciurus carolinensis) in parkland, Regent's Park, London, UK, April 2011, Model released.

Bertie Gregory / 2020VISION / Woman feeding a Grey squirrel (Sciurus carolinensis) in Regent's Park, London, England, UK, April 2011 Model Release Available

Terry Whittaker / 2020VISION / Woman sitting on bench, hand feeding Grey Squirrel (Sciurus carolinensis) in parkland, Regent's Park, London, UK, April 2011, Model released.

Terry Whittaker / 2020VISION / Grey Squirrel (Sciurus carolinensis) climbing over fence in parkland, Regent's Park, London, UK, April 2011. Photographer quote: 'Grey squirrels may be overfed, oversexed and over here, but they are s...

Terry Whittaker / 2020VISION / Grey Squirrel (Sciurus carolinensis) climbing fence in parkland, Regent's Park, London, UK, April 2011

Terry Whittaker / 2020VISION / Young man photographing Grey Squirrel (Sciurus carolinensis) on fence in parkland, Regent's Park, London, UK, April 2011, Model released.

Fergus Gill / 2020VISION / Grey Squirrel (Sciurus carolinensis) in urban park in winter. Glasgow, Scotland, December. Did you know? Scientists believe that some of the UK's native Red Squirrels are gaining immunity to the pox i...

Bertie Gregory / 2020VISION / Young Red fox (Vulpes vulpes) in urban park, running, Bristol, UK, January

Terry Whittaker / 2020VISION / Red deer (Cervus elaphus) stag with vegetation in antlers, rutting season, Richmond Park, London, UK, September

Terry Whittaker / 2020VISION / Red deer (Cervus elaphus) stag chasing hind, rutting season, Richmond Park, London, UK, September

Terry Whittaker / 2020VISION / Red deer (Cervus elaphus) about to cross busy road, Richmond Park, London, UK, September. Did you know? Richmond Park is famous for its red deer, but it also has a thriving population of fallow deer.

Terry Whittaker / 2020VISION / Red deer (Cervus elaphus) crossing busy road, Richmond Park, London, UK, September

Bertie Gregory / 2020VISION / Red deer (Cervus elaphus) stags fighting during rut, with blocks of flats in the background, Richmond Park, London, England, UK, October

Bertie Gregory / 2020VISION / Red deer (Cervus elaphus) stags fighting during rut, Richmond Park, London, England, UK, October. Did you know? Richmond Park deer herds are descended from historic medieval royal hunting stock.

Terry Whittaker / 2020VISION / Red deer (Cervus elaphus) stag with two people taking photographs, Bushy Park, London, UK, October

Terry Whittaker / 2020VISION / Red deer (Cervus elaphus) in Richmond Park with Roehampton Flats in background, London, UK, September

Terry Whittaker / 2020VISION / Red deer (Cervus elaphus) stag bellowing with breath visible in cold, rutting season, Bushy Park, London, UK, October

Terry Whittaker / 2020VISION / Red deer (Cervus elaphus) stag portrait, Richmond Park, London, UK, October

Terry Whittaker / 2020VISION / Red deer (Cervus elaphus) buck lying amongst thistles, lights of Roehampton Flats in background, Richmond Park, London, UK, October

Nick Upton / 2020VISION / Honey bee (Apis mellifera) hovering near Snowberry flowers (Symphoricarpos sp.) in Parade gardens park, with city buildings in the background, Bath, England, UK, June

Nick Upton / 2020VISION / Wild garlic / Ramsons (Allium ursinum) flowering on Beechen cliff, Alexandra park, above Bath city, UK, April.