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Anchor Bottom

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 Anchor Bottom

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


County : England(East Sussex)
Gridref : TQ20200940
Year established : 1990
Number of sections : 4
Altitude (m) :
Length (m) : 2650
Width (m) : 10
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? 1.71 more
Small Skipper? 0.32 more
Large Skipper? 4.15 more
Dingy SkipperStable 11.68 more
Grizzled Skipper? 0.12 more
Clouded Yellow? 9.15 more
Brimstone? 1.58 more
Large WhiteStable 10.55 more
Small WhiteDeclining 27.86 more
Green-veined White? 1.60 more
Orange-tip? 0 more
Green Hairstreak? 1 more
Small CopperStable 3.79 more
Small BlueStable 21.33 more
Brown ArgusStable 25.65 more
Common BlueStable 200.73 more
Chalk Hill BlueStable 36.24 more
Adonis BlueStable 2202.35 more
Holly Blue? 0.19 more
Red AdmiralStable 5.95 more
Painted LadyStable 6 more
Small TortoiseshellStable 26.65 more
PeacockStable 11.61 more
CommaStable 1.62 more
Dark Green FritillaryStable 5.42 more
Speckled Wood? 0.52 more
Wall? 4.28 more
Marbled WhiteStable 17.99 more
GatekeeperDeclining 19.27 more
Meadow BrownStable 1706.84 more
Small HeathStable 136.05 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.