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Warton Crag LNR
The map shows you the route that this butterfly transect follows.
| County: | Lancashire (England) |
| Gridref: | SD494727 |
| Year established: | 1992 |
| Number of sections: | 15 |
| Altitude (m): | Unknown |
| Length (m): | 3181 |
| Width (m): | 10 |
| Broad habitat: | Dry semi/unimproved (flower rich) chalk/limestone grassland |
Species list...
The following species have been recorded on this site:
| Species | Status | Colonised/extinct | Asynchronous | Mean count | ||
| Orange Tip | Stable | 20 | more | |||
| Dark Green Fritillary | ? | 0 | .34 | more | ||
| High Brown Fritillary | Stable | 130 | more | |||
| Pearl-bordered Fritillary | Decreasing | 62 | more | |||
| Small Pearl-bordered Fritillary | Decreasing | 40 | more | |||
| Northern Brown Argus | Decreasing | 140 | more | |||
| Green Hairstreak | Stable | 43 | more | |||
| Holly Blue | Stable | 9 | .6 | more | ||
| Small Heath | Decreasing | 78 | more | |||
| Clouded Yellow | ? | 1 | .1 | more | ||
| Dingy Skipper | Stable | 32 | more | |||
| Grayling | Decreasing | 17 | more | |||
| Brimstone | Increasing | 31 | more | |||
| Small Copper | Stable | 4 | .1 | more | ||
| Meadow Brown | Stable | 390 | more | |||
| Gatekeeper / Hedge Brown | ? | 0 | .73 | more | ||
| Peacock | Stable | 83 | more | |||
| Large Skipper | Stable | 32 | more | |||
| Speckled Wood | Increasing | 35 | more | |||
| Wall Brown | Decreasing | 87 | more | |||
| Large White | Decreasing | 150 | more | |||
| Green-veined White | Stable | 38 | more | |||
| Small White | Stable | 41 | more | |||
| Comma | Increasing | 3 | .0 | more | ||
| Common Blue | Stable | 58 | more | |||
| Purple Hairstreak | ? | 0 | .040 | more | ||
| Red Admiral | Stable | 30 | more | |||
| Painted Lady | Stable | 21 | 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. 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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