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Dean Hill (West) (NT)

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

For example, clicking on one of the section titles below will display the site description (shown automatically), as well as a list of the species recorded here, and their yearly counts. However, you can also chose to Show All the sections, or even Hide All, if you so wish.

Map of Dean Hill (West) (NT)

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


County : England(Wiltshire)
Gridref : SU22502570
Year established : 1996
Number of sections : 1
Altitude (m) : 126
Length (m) : 900
Width (m) : 5
Broad habitat : Dry semi/unimproved (flower rich) chalk/limestone grassland
The following species have been recorded on this site:
SpeciesStatusColonised / ExtinctMean Count 
Essex/Small Skipper? 277.49 more
Small SkipperStable 178.39 more
Essex Skipper? 8.55 more
Silver-spotted SkipperStable 3.22 more
Large SkipperStable 18.58 more
Dingy SkipperStable 56.72 more
Grizzled SkipperStable 19.24 more
Clouded Yellow? 0.89 more
BrimstoneStable 55.33 more
Large WhiteStable 17.98 more
Small WhiteStable 93.35 more
Green-veined WhiteStable 4.95 more
Orange-tipStable 15.71 more
Green HairstreakDeclining 10.41 more
Purple Hairstreak? 0 more
Small CopperStable 4.85 more
Small BlueDeclining 31.32 more
Brown ArgusStable 10.33 more
Common BlueStable 225.57 more
Chalk Hill BlueStable 202.59 more
Adonis BlueStable 3.13 more
Holly BlueStable 6.96 more
Duke of BurgundyStable 8.71 more
White Admiral? 0 more
Red AdmiralDeclining 10.98 more
Painted LadyStable 2.09 more
Small TortoiseshellStable 14.93 more
PeacockStable 21.81 more
CommaStable 2.34 more
Dark Green FritillaryStable 23.86 more
Silver-washed Fritillary? 0.41 more
Marsh Fritillary? 0.47 more
Speckled WoodStable 12.49 more
Marbled WhiteDeclining 339.77 more
Grayling? 0.09 more
GatekeeperDeclining 288.20 more
Meadow BrownStable 623.38 more
Small HeathStable 269.93 more
RingletStable 208.28 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.