Site of Special Scientific Interest
A Site of Special Scientific Interest (SSSI) in Great Britain or an Area of Special Scientific Interest (ASSI) in the Isle of Man and Northern Ireland is a conservation designation denoting a protected area in the United Kingdom and Isle of ...
in
Walton-on-Thames
Walton-on-Thames, locally known as Walton, is a market town on the south bank of the Thames in the Elmbridge borough of Surrey, England. Walton forms part of the Greater London built-up area, within the KT postcode and is served by a wide ran ...
in
Surrey
Surrey () is a ceremonial and non-metropolitan county in South East England, bordering Greater London to the south west. Surrey has a large rural area, and several significant urban areas which form part of the Greater London Built-up Area. ...
. It is part of South West London Waterbodies
Ramsar site
A Ramsar site is a wetland site designated to be of international importance under the Ramsar Convention,8 ha (O)
*** Permanent 8 ha (P)
*** Seasonal Intermittent < 8 ha(Ts)
**
Special Protection Area
A Special Protection Area (SPA) is a designation under the European Union Directive on the Conservation of Wild Birds. Under the Directive, Member States of the European Union (EU) have a duty to safeguard the habitats of migratory birds and cert ...
Knight Reservoir
The Knight Reservoir is a large pumped storage reservoir located in the Borough of Elmbridge in Surrey. It was inaugurated in 1907 and stores up to 2,180 million litres of raw water abstracted from the River Thames prior to its treatment and suppl ...
and
Bessborough Reservoir
The Bessborough Reservoir is an embanked storage reservoir south of the River Thames in Surrey adjacent to the Knight Reservoir. To the south lies Queen Elizabeth II Reservoir and to the north the now disused Molesey Reservoirs. The A3050 runs to ...
support many wildfowl, including nationally important numbers of wintering
shoveler
The shovelers or shovellers are four species of dabbling ducks with long, broad spatula-shaped beaks:
* Red shoveler, ''Anas platalea''
* Cape shoveler, ''Anas smithii''
* Australasian shoveler, ''Anas rhynchotis''
* Northern shoveler, ''Anas cl ...
s and substantial populations of
gadwall
The gadwall (''Mareca strepera'') is a common and widespread dabbling duck in the family Anatidae.
Taxonomy
The gadwall was first described by Carl Linnaeus in his landmark 1758 10th edition of ''Systema Naturae''. DNA studies have shown that ...
s,
cormorants
Phalacrocoracidae is a family of approximately 40 species of aquatic birds commonly known as cormorants and shags. Several different classifications of the family have been proposed, but in 2021 the IOC adopted a consensus taxonomy of seven gen ...
and goldeneyes.
The site is private land with no public access.