Terry Whittaker / 2020VISION / Corn buntings (Emberiza calandra) in flight, Wallasea Wild Coast Project, RSPB Greater Thames Futurescapes Project, Essex, England, UK, December.

Terry Whittaker / 2020VISION / Little Egret (Egretta garzetta). North Kent Marshes. Elmley Nature Reserve.

Terry Whittaker / 2020VISION / Small traditional sailing boat on the Thames Estuary, Two Tree Island, Essex, England, UK, October.

Terry Whittaker / 2020VISION / Sunset over South Swale local nature reserve, Kent, England, UK, November.

Terry Whittaker / 2020VISION / Little Egret (Egretta garzetta) in flight, with buildings in the background, Leigh-on-Sea, Essex, England, UK, October

Terry Whittaker / 2020VISION / Little egret (Egretta garzetta) in flight with bait digger in background, Swale, Kent, England, UK, January.

Terry Whittaker / 2020VISION / Short-eared owl (Asio flammeus) perched on post at edge of conservation margin and arable crop, Wallasea Island Wild Coast project, Essex, England, UK, January.

Terry Whittaker / 2020VISION / Dark-bellied brent geese (Branta bernicla) taking flight from grazing field, Wallasea Island, Essex, England, UK, February.

Terry Whittaker / 2020VISION / Flock of Dark-bellied brent geese (Branta bernicla) flying over sea wall, South Swale, Kent, England, UK

Terry Whittaker / 2020VISION / Edge of saltmarsh with oil storage depot in the background, Canvey Island, Essex, England, UK, February

Paul Harris / 2020VISION / Young volunteer clearing scrub, RSPB Vange Marshes reserve, Basildon, Essex, England, UK, November 2011.

Paul Harris / 2020VISION / Young volunteers clearing scrub, RSPB Vange Marshes reserve, Basildon, Essex, England, UK, November 2011.