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Essex Skipper: Counts for the year 1983
| APR | MAY | JUN | JUL | AUG | SEP | |||||||||||||||||||||
| Week no. | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 |
| Site | ||||||||||||||||||||||||||
| Lullington Heath | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | 1 | 4 | 2 | . | . | . | . | . | . | |||
| Castle Hill | . | . | . | . | . | . | . | . | . | . | . | . | . | 2 | 6 | 3 | 6 | 9 | 4 | 3 | 2 | 1 | . | . | ||
| Woods Mill | . | . | . | . | . | . | . | . | . | . | . | 2 | 4 | 3 | 1 | . | . | . | . | . | ||||||
| Martin Down | . | . | . | . | . | . | . | . | . | . | 3 | . | . | 1 | . | . | . | . | . | |||||||
| Pickett Wood | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | |||
| RSPB Blean Woods | . | . | . | . | . | . | . | . | . | 2 | 10 | 11 | 2 | 1 | . | . | ||||||||||
| Pewsey Down | . | . | . | . | . | . | . | . | . | 2 | . | . | . | . | . | . | . | . | ||||||||
| Northward Hill | . | . | . | . | . | . | . | . | . | . | . | . | 4 | 5 | 2 | . | . | . | . | . | . | . | ||||
| Leigh Marshes | . | . | . | . | . | . | . | 22 | 4 | 269 | 22 | 12 | . | . | . | . | ||||||||||
| Aston Rowant (S) | . | . | . | . | . | . | . | . | 22 | 14 | . | . | . | . | . | . | ||||||||||
| Aston Rowant (N) | . | . | . | . | . | . | 4 | 9 | 11 | 3 | . | . | . | . | . | . | . | |||||||||
| Wicken Fen | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | |||||||
| Woodwalton Fen | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | ||||
| Weeting Heath | . | . | . | . | . | . | . | 1 | 95 | 72 | 8 | 1 | . | . | . | . | . | |||||||||
| Bure Marshes | . | . | . | . | . | . | . | 5 | 6 | 6 | 4 | 1 | . | . | . | . | . | . | ||||||||
| Gibralter Point | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | 2 | . | . | . | . | ||||||
