

The map shows you the route that this butterfly transect follows.
| County: | Outer London (England) |
| Gridref: | TQ289972 |
| Year established: | 1998 |
| Number of sections: | |
| Altitude (m): | Unknown |
| Length (m): | 2205 |
| Width (m): | 10 |
| Broad habitat: | Dry semi/unimproved (flower rich) neutral grassland |
Species list...
| Species | Status | Colonised/extinct | Asynchronous | Mean count | ||
| Small Tortoiseshell | Stable | 3 | .1 | more | ||
| Orange Tip | Stable | 1 | .9 | more | ||
| Ringlet | ? | 6 | .3 | more | ||
| Brown Argus | ? | 0 | .25 | more | ||
| Holly Blue | ? | 1 | .8 | more | ||
| Small Heath | Stable | 260 | more | |||
| Clouded Yellow | ? | 1 | .3 | more | ||
| Brimstone | ? | 1 | .3 | more | ||
| Small Copper | Stable | 49 | more | |||
| Meadow Brown | Stable | 540 | more | |||
| Gatekeeper/Hedge Brown | Stable | 94 | more | |||
| Peacock | Stable | 20 | more | |||
| Large Skipper | Increasing | 31 | more | |||
| Speckled Wood | Stable | 55 | more | |||
| Large White | Increasing | 23 | more | |||
| Green-veined White | Increasing | 16 | more | |||
| Small White | Stable | 18 | more | |||
| Comma | Increasing | 28 | more | |||
| Common Blue | Stable | 29 | more | |||
| White-letter Hairstreak | ? | 1 | .2 | more | ||
| Purple Hairstreak | Stable | 5 | .1 | more | ||
| Small Skipper | Stable | 12 | more | |||
| Red Admiral | Stable | 4 | .0 | more | ||
| Painted Lady | ? | 1 | .1 | 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.