Warton Crag RSPB

Map of  Warton Crag RSPB

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


County:Lancashire (England)
Gridref:SD488731
Year established:1996
Number of sections:7
Altitude (m):Unknown
Length (m):2800
Width (m):Unknown
Broad habitat:Dry semi/unimproved (flower rich) chalk/limestone grassland
The following species have been recorded on this site:
SpeciesStatusColonised/extinctAsynchronousMean count 
Orange TipDecreasing26more
Dark Green Fritillary?0.49more
High Brown FritillaryStable180more
Pearl-bordered FritillaryDecreasing110more
Small Pearl-bordered FritillaryDecreasing130more
Northern Brown ArgusStable170more
Green HairstreakStable18more
Holly BlueDecreasing1.4more
Small HeathDecreasing82more
Clouded Yellow?1.0more
Dingy SkipperStable32more
GraylingDecreasing4.0more
BrimstoneIncreasing34more
Small CopperStable0.97more
Meadow BrownStable740more
PeacockIncreasing320more
Large SkipperDecreasing28more
Speckled WoodIncreasing25more
Wall BrownDecreasing81more
Large WhiteStable50more
Green-veined WhiteDecreasing69more
Small WhiteIncreasing10more
CommaIncreasing2.0more
Common BlueStable34more
Purple Hairstreak?0.14more
Red AdmiralStable50more
Painted LadyStable44more

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. Species are marked as 'asynchronous' when their trends on this site are markedly different from the national trend. Click on 'more' to see a plot of abundance through time for each species. See green question mark above for more details.

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