American Crow (Northwestern)
Scientific Name: Corvus brachyrhynchos caurinus
Thresholds:
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.
| Boundary Bay - Roberts Bank - Sturgeon Bank (Fraser River Estuary) (BC017) | ||
|---|---|---|
| Number | Year | Season |
| 11,000 - 13,232 | 2012 | Winter |
| 29,118 | 2011 | Winter |
| 12,329 | 2010 | Winter |