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The following species have been recorded flying in week 23 of the year over the past decade. The list is ranked by descending order of number of records on the county database (only the 200 most commonly recorded species are shown) |
| Alternatively, select any week of the year: |
| For each of the last ten years, the relative abundance is indicated by a graphic, as follows: |
 | - 100 or more records |
 | - 50-99 records |
 | - 20-49 records |
 | - 10-19 records |
 | - 5-9 records |
 | - 1-4 records |
 | - No records in this week |
