Ross Hoddinott / 2020VISION / Sika deer (Cervus nippon) stag on salt marsh at Arne RSPB reserve, with Poole harbour visible in the background, Dorset, England, UK, August

Russell Cooper / Avocets (Recurvirostra avosetta) and Black Tailed Godwits (Limosa limosa) on the lagoon at Brownsea Island, Poole Harbour, Dorset, England, UK, October 2009.

Mike Read / Motor boats going under Twin Sails Bridge, Poole Harbour, Dorset, England, UK. September 2018.

Mike Read / Royal National Lifeboat Institution College, Holes Bay, Poole Harbour, Dorset, England, UK, September 2018

Mike Read / Man and woman on jet ski with harbour wall beyond. Poole Harbour, Dorset, England, UK. September 2018.

Nick Upton / Shore hoverfly (Eristalinus aeneus), sunning on a sandy bank near an estuary, Poole Harbour, Arne, Dorset, UK, July.

Nick Upton / Shore hoverfly (Eristalinus aeneus), sunning on a sandy bank near an estuary, Poole Harbour, Arne, Dorset, UK, July.

Peter Lewis / View towards Poole Harbour at dawn viewed from Arne, Dorset, England, UK, July.

Bertie Gregory / 2020VISION / Two White spoonbills (Platalea leucorodia) feeding in Poole Harbour, with buildings in the background, Brownsea Island, Dorset, England, UK, December

Bertie Gregory / 2020VISION / Avocet (Recurvirostra avosetta) wading in Poole Harbour, Brownsea Island, Dorset, England, UK, December

Merryn Thomas / Boats in Poole's Wharf, in Bristol's floating harbour, frozen over in January 2009.

Merryn Thomas / Rubbish in Poole's Wharf, in Bristol's floating harbour, frozen over in January 2009.