The WCBS is a 'light touch' recording scheme for monitoring butterfly numbers across the UK. The survey importantly enables the collection of data from under-recorded habitats such as farmland, plantation woodland, uplands and urban green spaces. Results from these surveys feed into national statistics that inform policy makers about the health of the environment. Further information about the scheme and reports on previous years' surveys can be found here
Volunteers take 'ownership' of a randomly selected 1km OS grid square, walking two parallel transect lines through the square at least once in July and once in August, identifying and recording any butterflies seen. Walks need to take place in good weather and follow the same methodology used for butterfly transects.
Walking a WCBS survey is a gentle introduction to more formal butterfly surveying and recording. No experience is necessary, just an interest in butterflies, a willingness to learn, normal eyesight and the ability to get to and from the square and to walk the route safely.
Squares are selected randomly by Butterfly Conservation and can cover any type of habitat, including urban areas and farmland as well as more natural areas. In some cases, the landowners permission is required before walks can take place.
A number of squares have been identified in Hampshire and the Isle of Wight which require walkers for future surveys. Some have been walked before on established routes while others are ‘new’ squares requiring an initial survey for the most suitable route. Guidance, help and advice is available. The squares are listed below with approximate locations.
If you are interested in getting more involved in butterfly recording and would be able to undertake two walks a year (one in July and one in August) at one of these locations please contact email (wcbs.AT.hantsiow-butterflies.org.uk).
North Hampshire
SU 46 62 Tot Hill, near Burghclere
SU 50 60 Ecchinswell
SU 66 33 Kitwood, Four Marks
Mid Hampshire
SU 44 38 Farmland near Sutton Scotney
SU 47 24 Shawford & Twyford
SU 54 41 Woodland and farmland near East Stratton
SU 56 47 North Waltham
SU 62 31 Ropley Dean (established route - public access)
South West Hampshire / New Forest
SU 07 17 Blackheath Down, Tidpit (established route - private land)
SU 13 20 Braemore Down (established route)
SU 31 18 Shelley Common
SU 32 35 Chattis Hill Nr Stockbridge
SU 41 32 Sparsholt
Isle of Wight
SZ 51 77 Kingates & Whitwell area
SZ 52 91 West of Wootton Common
Where it proves difficult to establish a route on new squares or access permission is refused by the landowner it is acceptable to find an alternative route in an adjacent square.
Updated 23 September 2024