Cassin's Auklet
Scientific Name: Ptychoramphus aleuticus
Thresholds:
- Scott Island Group (BC006)1,980,000 (max.)
- Frederick Island (BC004)179,704 (max.)
- Kerouard and St. James Islands (BC005)156,000 (max.)
- Solander Island and Brooks Bay (BC090)68,000 (max.)
- Skincuttle Inlet Islands (BC138)53,120 (max.)
- Rankine and Langtry Islands (BC137)51,600 (max.)
- SGang Gwaay (BC010)50,800 (max.)
- Moore and Byers Islands and Banks (BC106)45,460 (max.)
- Englefield Bay Islands (BC016)31,740 (max.)
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.
| Scott Island Group (BC006) | ||
|---|---|---|
| Number | Year | Season |
| 1,980,000 | 1989 | Summer |
| Frederick Island (BC004) | ||
|---|---|---|
| Number | Year | Season |
| 179,704 | 1985 | Other |
| Kerouard and St. James Islands (BC005) | ||
|---|---|---|
| Number | Year | Season |
| 156,000 | 1985 | Summer |
| Solander Island and Brooks Bay (BC090) | ||
|---|---|---|
| Number | Year | Season |
| 68,000 | 1989 | Summer |
| Skincuttle Inlet Islands (BC138) | ||
|---|---|---|
| Number | Year | Season |
| 53,120 | 1985 | Summer |
| Rankine and Langtry Islands (BC137) | ||
|---|---|---|
| Number | Year | Season |
| 51,600 | 1985 | Summer |
| SGang Gwaay (BC010) | ||
|---|---|---|
| Number | Year | Season |
| 50,800 | 1985 | Summer |
| Moore and Byers Islands and Banks (BC106) | ||
|---|---|---|
| Number | Year | Season |
| 45,460 | 1988 | Summer |
| Englefield Bay Islands (BC016) | ||
|---|---|---|
| Number | Year | Season |
| 31,740 | 1986 | Summer |