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Coulsdon Common
The map shows you the route that this butterfly transect follows.
| County: | Outer London (England) |
| Gridref: | TQ320570 |
| Year established: | 1990 |
| Number of sections: | |
| Altitude (m): | Unknown |
| Length (m): | 2592 |
| Width (m): | 5 |
| Broad habitat: | Bare ground/woodland herb/grass mosaics of woodland rides, hedgebanks and green lanes |
Species list...
The following species have been recorded on this site:
| Species | Status | Colonised/extinct | Asynchronous | Mean count | ||
| Small Tortoiseshell | Stable | 9 | .6 | more | ||
| Orange Tip | Stable | 15 | more | |||
| Purple Emperor | ? | 0 | .41 | more | ||
| Ringlet | Increasing | 45 | more | |||
| Brown Argus | Increasing | 0 | .39 | more | ||
| Holly Blue | Stable | 3 | .0 | more | ||
| Small Heath | ? | 0 | .23 | more | ||
| Clouded Yellow | ? | 1 | .0 | more | ||
| Brimstone | Stable | 21 | more | |||
| Small Copper | Stable | 3 | .4 | more | ||
| Meadow Brown | Increasing | 330 | more | |||
| Gatekeeper/Hedge Brown | Increasing | * | 39 | more | ||
| Marbled White | ? | 1 | .0 | more | ||
| Peacock | Stable | 40 | more | |||
| Large Skipper | Stable | 9 | .7 | more | ||
| Speckled Wood | Increasing | 120 | more | |||
| Large White | Stable | 22 | more | |||
| Green-veined White | Stable | 27 | more | |||
| Small White | Increasing | 13 | more | |||
| Comma | Stable | 11 | more | |||
| Common Blue | Stable | 17 | more | |||
| White-letter Hairstreak | ? | 0 | .18 | more | ||
| Purple Hairstreak | Stable | Colonised in 1996 | 0 | .42 | more | |
| Red Admiral | Stable | 4 | .0 | more | ||
| Painted Lady | ? | 0 | .51 | 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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