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Bratton Castle Earthworks (EH)
The map shows you the route that this butterfly transect follows.
| County: | Wiltshire (England) |
| Gridref: | ST904516 |
| Year established: | 1980 |
| Number of sections: | |
| Altitude (m): | Unknown |
| Length (m): | 1500 |
| Width (m): | 7 |
| 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 | ||
| Small Tortoiseshell | Stable | 38 | more | |||
| Orange Tip | Stable | Colonised in 1990 | 0 | .53 | more | |
| Ringlet | Stable | 28 | more | |||
| Dark Green Fritillary | Stable | 2 | .2 | more | ||
| Brown Argus | Stable | 5 | .5 | more | ||
| Green Hairstreak | Stable | 1 | .2 | more | ||
| Holly Blue | ? | 0 | .030 | more | ||
| Small Heath | Decreasing | 44 | more | |||
| Clouded Yellow | Stable | 0 | .40 | more | ||
| Small Blue | Decreasing | 9 | .8 | more | ||
| Dingy Skipper | Stable | 22 | more | |||
| Marsh Fritillary | Decreasing | Extinct in 1998 | 1 | .7 | more | |
| Brimstone | Stable | Extinct in 1986 | 0 | .50 | more | |
| Duke of Burgundy Fritillary | Decreasing | Extinct in 1994 | * | 2 | .1 | more |
| Small Copper | Stable | 1 | .3 | more | ||
| Adonis Blue | Stable | 140 | more | |||
| Chalk-hill Blue | Increasing | 12 | more | |||
| Meadow Brown | Stable | 200 | more | |||
| Gatekeeper/Hedge Brown | Stable | 19 | more | |||
| Marbled White | Stable | 76 | more | |||
| Peacock | Stable | 6 | .5 | more | ||
| Large Skipper | Decreasing | 5 | .9 | more | ||
| Speckled Wood | Stable | 0 | .44 | more | ||
| Wall Brown | Stable | 18 | more | |||
| Large White | Stable | 5 | .7 | more | ||
| Green-veined White | Stable | Colonised in 1984 | 2 | .6 | more | |
| Small White | Increasing | 11 | more | |||
| Comma | ? | 0 | .060 | more | ||
| Common Blue | Stable | 47 | more | |||
| Small Skipper | Decreasing | 120 | more | |||
| Red Admiral | Stable | 0 | .79 | more | ||
| Painted Lady | Stable | 1 | .9 | 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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