Table 5.
Number of nest attempts, reproductive outcome and cause of complete nest failure for Falco tinnunculus in Vienna, Austria 2010–2012
| Reproductive outcome | Time of nest failure | Cause of nest failure | ||||||
|---|---|---|---|---|---|---|---|---|
| Year |
Nest attempts |
Success (%) |
Failure (%) |
Egg stage |
Nestling stage |
Abandoned |
Predation# |
Other |
| 2010 |
36 |
21 (58%) |
15 (42%) |
11 |
4 |
5 |
4 |
6 |
| 2011 |
52 |
36 (69%) |
16 (31%) |
14 |
2 |
4 |
6 |
6 |
| 2012 |
69 |
48 (70%) |
21 (30%) |
18 |
3 |
6 |
4 |
11 |
| Total | 157 | 105 (67%) | 52 (33%) | 43 | 9 | 15 | 14 | 23 |
Note: ‘#’ based on confirmed predation. If the predation event was not directly observed and the predator not identified, nest failure is assigned to other.