
Nest Record Data 2009
In 2009 the boxes at all of our sites were checked on a regular basis during the breeding season and in most cases the pulli were ringed. In total 237 nest were recorded containing 1,793 eggs and from which 1,472 pulli eventually fledged.
The group submitted all 237 nest record cards to the BTO during 2009; twenty one more than in 2008. The analysis is as follows:
| Species |
Number of Nests
|
Average number of Eggs
|
Average number of Pulli
|
Nest Success
|
Nest Failure
|
Barn Owl |
2 |
4.0 |
3.0 |
100% |
0% |
Blackbird |
2 |
3.5 |
1.5 |
50% |
50% |
Blue Tit |
69 |
10.5 |
9.0 |
90% |
10% |
Canada Goose |
7 |
4.1 |
1.6 |
29% |
43% |
Collared Dove |
1 |
2.0 |
2.0 |
100% |
0% |
Coot |
23 |
2.2 |
1.7 |
57% |
0% |
Great Tit |
92 |
8.7 |
7.1 |
89% |
9% |
Jackdaw |
3 |
3.7 |
2.3 |
67% |
33% |
Kestrel |
3 |
4.3 |
2.7 |
67% |
33% |
Mallard |
1 |
2.0 |
0.0 |
0% |
100% |
Mute Swan |
1 |
6.0 |
6.0 |
100% |
0% |
Pied Wagtail |
1 |
4.0 |
4.0 |
100% |
0% |
Robin |
1 |
5.0 |
5.0 |
100% |
0% |
Spotted Flycatcher |
1 |
5.0 |
5.0 |
100% |
0% |
Starling |
4 |
4.8 |
3.3 |
75% |
25% |
Stock Dove |
2 |
2.0 |
2.0 |
100% |
0% |
Swallow |
16 |
4.7 |
4.6 |
88% |
6% |
Tawny Owl |
2 |
2.0 |
2.0 |
0% |
50% |
Wood Pigeon |
2 |
2.0 |
0.5 |
50% |
50% |
Wren |
4 |
5.8 |
2.5 |
50% |
50% |
Total |
237 |
|
|