Breeding distribution 2007-13
| Present | Possible | Probable | Confirmed | Total | |
| 2007-13: | |||||
| No. (%) |
Breeding-period abundance 2007-13
Click to load data
| Max TTV birds/hr | |||||||
| present | 1-2 | 3-5 | 6-10 | 11-20 | 21-50 | > 50 | |
Winter-period abundance 2007-13
Click to load data
| Max TTV birds/hr | |||||||
| present | 1-2 | 3-5 | 6-10 | 11-20 | 21-50 | > 50 | |