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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 
Small SkipperDeclining 79.03 more
Essex SkipperIncreasing 12.21 more
Silver-spotted SkipperDeclining 2.25 more
Large SkipperStable 20.87 more
Dingy SkipperDeclining 54.43 more
Grizzled SkipperStable 19.72 more
Clouded Yellow? 0.90 more
BrimstoneStable 59.63 more
Large WhiteStable 22.69 more
Small WhiteStable 81.56 more
Green-veined WhiteIncreasing 7.18 more
Orange-tipStable 17.33 more
Green HairstreakDeclining 6.60 more
Purple Hairstreak? 0 more
Small CopperStable 3.82 more
Small BlueDeclining 25.84 more
Brown ArgusStable 10.56 more
Common BlueDeclining 162.16 more
Chalk Hill BlueDeclining 156.92 more
Adonis BlueStable 3.82 more
Holly BlueStable 7.43 more
Duke of BurgundyStable 8.62 more
White Admiral? 0 more
Red AdmiralStable 11.03 more
Painted LadyStable 1.86 more
Small TortoiseshellStable 13.45 more
PeacockStable 20.82 more
CommaStable 2.54 more
Dark Green FritillaryStable 23.43 more
Silver-washed Fritillary? 0.19 more
Marsh Fritillary? 0.39 more
Speckled WoodStable 12.67 more
Marbled WhiteStable 336.87 more
Grayling? 0.08 more
GatekeeperDeclining 258.55 more
Meadow BrownStable 622.33 more
Small HeathStable 246.45 more
RingletStable 229.65 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 UK Butterfly Monitoring Scheme is organized and funded by Butterfly Conservation (BC), the Centre for Ecology and Hydrology (CEH), the British Trust for Ornithology (BTO), and the Joint Nature Conservation Committee (JNCC). The UKBMS is indebted to all volunteers who contribute data to the scheme.