Scientific Name: Fulica americana
Global
1% of the global population estimate. This threshold is used to identify trigger species and IBAs under categories A4i/ii and A4iv.
Regional/Continental
1% of the regional/continental population estimate.
| Creston Valley (BC179) | ||
|---|---|---|
| Number | Year | Season |
| 20,000 | 2013 | Spring |
| 50,000 | 2012 | Fall |
| 25,000 | 2012 | Spring |
| 35,000 | 2011 | Fall |
| 12,000 | 2010 | Spring |
| 13,678 | 1990 | Fall |
| 27,563 | 1990 | Spring |
| 17,163 | 1989 | Fall |
| 17,569 | 1989 | Spring |
| 15,080 | 1988 | Fall |
| 13,464 | 1985 | Fall |
| 34,872 | 1985 | Spring |
| 22,700 | 1980 | Fall |
| 22,700 | 1980 | Spring |
| 51,700 | 1978 | Fall |
| 57,000 | 1977 | Fall |
| 47,540 | 1974 | Fall |
| 34,500 | 1973 | Fall |
| ? | ? | Summer |