Greater Sage-Grouse
Scientific Name: Centrocercus urophasianus
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.
Regional SAR
This threshold is static and standardized: Passeriformes (e.g. perching/songbirds) = 90 individuals (or 30 pairs); non-Passeriformes = 30 individuals (or 10 pairs). Only species listed by the IUCN as Vulnerable are presently eligible.
Sub-regional/National SAR
The sub-regional/national SAR threshold = 1% of the COSEWIC population estimate for the region (provinces/territories) in which the species is listed as being at risk. This threshold is used to identify trigger species and IBAs under criterion C1.
| Sage Creek (AB065) | ||
|---|---|---|
| Number | Year | Season |
| 6 | 2018 | Fall |
| 9 | 2017 | Winter |
| 20 | 2016 | Winter |
| 9 | 2016 | Spring |
| 13 | 2015 | Winter |
| 5 | 2015 | Spring |
| 4 | 2012 | Spring |
| 4 | 2010 | Spring |
| 12 | 2008 | Winter |
| 22 | 2006 | Spring |
| 8 - 9 | 2004 | Spring |
| 8 | 2003 | Summer |
| 6 - 21 | 2003 | Spring |
| 4 | 2002 | Fall |
| 9 - 23 | 2002 | Spring |
| 13 - 50 | 2001 | Spring |
| 20 | 2000 | Fall |
| 10 - 32 | 2000 | Spring |
| 8 | 1999 | Spring |
| 14 | 1995 | Winter |
| 8 | 1995 | Summer |
| 8 | 1995 | Spring |
| 4 - 5 | 1994 | Spring |
| 12 - 18 | 1993 | Spring |
| 8 - 28 | 1992 | Spring |
| 25 | 1991 | Spring |
| Govenlock-Nashlyn-Battle Creek Grasslands (SK039) | ||
|---|---|---|
| Number | Year | Season |
| 7 | 2001 | Winter |
| 6 | 2001 | Summer |
| 13 - 21 | 1998 | Winter |
| 21 - 37 | 1997 | Winter |
| 34 | 1994 | Winter |
| 14 | 1993 | Winter |
| 8 | 1990 | Winter |
| 233 | 1990 | Other |
| Grasslands National Park (west) (SK024) | ||
|---|---|---|
| Number | Year | Season |
| 4 | 2019 | Spring |
| 5 | 2019 | Winter |
| 4 | 2018 | Winter |
| 4 | 2013 | Spring |
| 7 | 2010 | Summer |
| 6 | 2006 | Summer |
| 15 | 2005 | Spring |
| 13 | 2004 | Spring |
| 4 | 1999 | Summer |
| 6 | 1998 | Summer |
| 16 | 1995 | Spring |
| 14 | 1994 | Fall |
| 403 | 1990 | Other |
| Grasslands National Park (east) (SK023) | ||
|---|---|---|
| Number | Year | Season |
| 4 | 2018 | Summer |
| 10 | 2016 | Spring |
| 7 | 1993 | Spring |
| 315 | 1990 | Summer |