| Species | 1960-2010 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 |
|---|
| Little Grebe |
3 |
|
|
|
1 |
|
|
1 |
|
|
|
|---|
| Brent Goose |
3 |
|
|
|
|
|
|
|
|
|
|
|---|
| Shelduck |
114 |
4 |
11 |
7 |
9 |
2 |
|
1 |
1 |
4 |
1 |
|---|
| Wigeon |
6 |
|
|
|
|
|
|
|
|
|
|
|---|
| Teal |
36 |
4 |
1 |
1 |
5 |
|
|
1 |
|
|
|
|---|
| Mallard |
36 |
|
|
|
|
|
1 |
2 |
|
1 |
|
|---|
| Shoveler |
1 |
|
|
|
|
|
|
|
|
|
|
|---|
| Pochard |
1 |
|
|
|
|
|
|
|
|
|
|
|---|
| Marsh Harrier |
180 |
10 |
18 |
13 |
24 |
9 |
1 |
|
|
1 |
|
|---|
| Buzzard |
|
|
|
|
|
|
|
|
|
1 |
|
|---|
| Kestrel |
20 |
2 |
|
|
3 |
2 |
|
|
|
|
|
|---|
| Water Rail |
1 |
|
|
|
|
|
|
|
|
|
|
|---|
| Moorhen |
6 |
|
|
|
|
|
|
|
|
|
1 |
|---|
| Coot |
6 |
|
|
|
|
|
|
|
|
|
|
|---|
| Common Gull |
2 |
|
|
|
|
|
|
|
|
|
|
|---|
| Black-headed Gull |
45 |
|
1 |
1 |
2 |
7 |
|
|
|
11 |
|
|---|
| Lesser Black-b. Gull |
1 |
|
|
|
|
|
|
|
|
|
|
|---|
| Herring Gull |
|
|
|
2 |
|
6 |
|
|
|
|
|
|---|
| Great Black-b. Gull |
1 |
|
|
|
|
|
|
|
|
|
|
|---|
| Common Tern |
2 |
|
|
|
|
|
|
|
|
|
|
|---|
| Barn Owl |
81 |
|
13 |
18 |
18 |
15 |
27 |
15 |
43 |
16 |
15 |
|---|
| Little Owl |
5 |
|
|
|
|
|
|
|
|
2 |
|
|---|
| Short-eared Owl |
1 |
|
|
|
|
|
|
|
|
|
|
|---|
| Long-eared Owl |
1 |
|
|
|
|
|
|
|
|
|
|
|---|
| Stock Dove |
|
|
|
|
|
|
|
|
1 |
4 |
|
|---|
| Kingfisher |
1 |
|
|
|
|
|
|
|
|
|
|
|---|
| Skylark |
5 |
|
|
|
|
|
|
|
|
|
|
|---|
| Swallow |
31 |
1 |
|
|
|
|
|
|
|
|
|
|---|
| Starling |
8 |
|
|
|
10 |
4 |
|
|
|
|
1 |
|---|
| Jackdaw |
|
|
|
|
|
|
|
2 |
|
|
|
|---|
| Total |
599 |
21 |
44 |
42 |
72 |
45 |
29 |
22 |
45 |
41 |
18 |
|---|