Corneille d'Amérique (caurinus)
Nom scientifique: Corvus brachyrhynchos caurinus
Seuils:
Global
1% of the global abundance. This threshold is used to identify tigger species and IBA's under A4i/ii and A4iv categories
Regional/Continental
1% of the regional/continental population Estimate
| Boundary Bay - Roberts Bank - Sturgeon Bank (Fraser River Estuary) (BC017) | ||
|---|---|---|
| Nombre | Année | Saison |
| 11 000 - 13 232 | 2012 | Hiver |
| 29 118 | 2011 | Hiver |
| 12 329 | 2010 | Hiver |