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