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Bratton Castle Earthworks (EH)

Here we provide all the information we have for each transect site.

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Map of Bratton Castle Earthworks (EH)

The map shows you the route that this butterfly transect follows.


County : England(Wiltshire)
Gridref : ST90405160
Year established : 1980
Number of sections : 5
Altitude (m) : 192
Length (m) : 1500
Width (m) : 7
Broad habitat : Dry semi/unimproved (flower rich) chalk/limestone grassland
The following species have been recorded on this site:
SpeciesStatusColonised / ExtinctMean Count 
Small SkipperDeclining 71.08 more
Essex SkipperStable 1.45 more
Large SkipperStable 7.68 more
Dingy SkipperStable 21.88 more
Grizzled Skipper? 0.41 more
Clouded YellowStable 0.47 more
BrimstoneIncreasing 0.79 more
Large WhiteStable 6.48 more
Small WhiteIncreasing 13.47 more
Green-veined WhiteIncreasing 3.37 more
Orange-tipIncreasing 0.86 more
Green HairstreakDeclining 0.79 more
Small CopperStable 1.76 more
Small BlueDeclining 7.24 more
Brown ArgusIncreasing 7.22 more
Common BlueStable 44.52 more
Chalk Hill BlueStable 11.87 more
Adonis BlueStable 161.77 more
Holly Blue? 0.02 more
Duke of BurgundyDeclining 1.21 more
Painted LadyStable 1.72 more
Small TortoiseshellDeclining 27.18 more
PeacockStable 6.57 more
CommaIncreasing 0.15 more
Dark Green FritillaryStable 2.39 more
Marsh FritillaryDeclining 1.44 more
Speckled WoodStable 0.48 more
WallIncreasing 23.36 more
Marbled WhiteIncreasing 99.03 more
Grayling? 0.15 more
GatekeeperStable 19.51 more
Meadow BrownStable 220.89 more
Small HeathStable 42.65 more
RingletIncreasing 38.23 more

This table shows the species that have been recorded on this site. Where sufficient data is available, trends in abundance are assessed and colonisation/extinction events are identified. Click on 'more' to see a plot of abundance through time for each species. See green question mark above for more details.


The UKBMS is run by  Butterfly Conservation (BC), the Centre for Ecology and Hydrology (CEH) and the British Trust for Ornithology (BTO), in partnership with the Joint Nature Conservation Committee (JNCC), and supported and steered by Forestry Commission (FC),  Natural England (NE), Natural Resources Wales (NRW), Northern Ireland Environment Agency (NIEA), and Scottish Natural Heritage (SNH). The UKBMS is indebted to all volunteers who contribute data to the scheme.