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Essex Skipper: Counts for the year 1980
| 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 | . | . | . | . | . | . | . | . | . | . | . | . | 5 | 2 | 1 | . | 1 | . | . | . | ||||||
| Castle Hill | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 2 | 14 | 15 | 9 | 9 | 9 | 1 | 1 | . | |||
| Kingley Vale | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | ||||
| Martin Down | . | . | . | . | . | . | . | . | . | . | . | . | 2 | . | . | 1 | 5 | . | . | . | . | |||||
| Wye & Crundale Down | . | . | . | . | . | . | . | . | 1 | 6 | 23 | 7 | 10 | . | . | . | ||||||||||
| Northward Hill | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | . | . | |||
| Hampstead Heath | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | ||||
| Aston Rowant (S) | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 3 | 3 | . | . | . | . | . | . | ||||
| Aston Rowant (N) | . | . | . | . | . | . | . | 1 | 4 | 4 | . | . | . | . | . | |||||||||||
| Waterperry Wood | . | . | . | . | . | . | . | . | . | . | 1 | . | 6 | . | . | . | . | . | ||||||||
| Potton Wood | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | |||||
| Wicken Fen | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 2 | . | . | . | . | . | |||
| Woodwalton Fen | . | . | . | . | . | . | . | . | 1 | . | . | . | . | |||||||||||||
| Weeting Heath | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 59 | 52 | 41 | 11 | 8 | 7 | . | . | |||
| Bure Marshes | . | . | . | . | . | 1 | 3 | 3 | . | 5 | 6 | 2 | 2 | . | . | . | ||||||||||
