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Horsendon Hill - West
The map shows you the route that this butterfly transect follows.
| County: | Outer London (England) |
| Gridref: | TQ163844 |
| Year established: | 2003 |
| Number of sections: | |
| Altitude (m): | Unknown |
| Length (m): | Unknown |
| Width (m): | 10 |
| Broad habitat: | Dry semi/unimproved acid grassland |
Species list...
The following species have been recorded on this site:
| Species | Status | Colonised/extinct | Asynchronous | Mean count | ||
| Small Tortoiseshell | ? | 4 | .6 | more | ||
| Orange Tip | ? | 30 | more | |||
| Holly Blue | ? | 18 | more | |||
| Clouded Yellow | ? | 0 | .44 | more | ||
| Brimstone | ? | 2 | .7 | more | ||
| Small Copper | ? | 15 | more | |||
| Meadow Brown | ? | 910 | more | |||
| Gatekeeper/Hedge Brown | ? | 310 | more | |||
| Peacock | ? | 19 | more | |||
| Large Skipper | ? | 6 | .9 | more | ||
| Speckled Wood | ? | 19 | more | |||
| Large White | ? | 15 | more | |||
| Green-veined White | ? | 34 | more | |||
| Small White | ? | 23 | more | |||
| Comma | ? | 5 | .2 | more | ||
| Common Blue | ? | 8 | .0 | more | ||
| White-letter Hairstreak | ? | 8 | .8 | more | ||
| Purple Hairstreak | ? | 6 | .6 | more | ||
| Small Skipper | ? | 15 | more | |||
| Red Admiral | ? | 2 | .5 | more | ||
| Painted Lady | ? | 3 | .0 | 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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