Western Sandpiper
Scientific Name: Calidris mauri
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 |
| 30,000 | 2015 | Spring |
| 30,000 - 64,600 | 2014 | Spring |
| 28,000 | 2013 | Spring |
| 30,000 - 50,000 | 2012 | Spring |
| 20,000 - 175,980 | 2010 | Spring |
| 50,000 - 120,000 | 2009 | Spring |
| 139,840 | 2008 | Spring |
| 171,000 | 2007 | Spring |
| 166,605 | 2006 | Spring |
| 106,640 | 2005 | Spring |
| 77,770 | 2004 | Spring |
| 110,936 | 2003 | Spring |
| 100,303 | 2001 | Spring |
| 174,000 | 2000 | Spring |
| 20,000 | 1995 | Spring |
| 500,000 | 1992 | Spring |
| 45,300 | 1990 | Fall |
| 55,818 | 1988 | Summer |
| 13,658 | 1978 | Summer |
| 180,044 | ? | Other |
| Tofino Mudflats (BC002) | ||
|---|---|---|
| Number | Year | Season |
| 29,000 | 2021 | Spring |
| 36,000 - 88,000 | 2019 | Spring |
| 17,000 - 35,654 | 2013 | Spring |
| 25,000 - 38,880 | 2012 | Spring |
| 25,000 - 68,420 | 2011 | Spring |
| 20,000 - 40,441 | 2010 | Spring |
| 25,000 - 50,000 | 2002 | Spring |
| 20,000 | 1999 | Spring |
| 35,000 - 164,000 | 1995 | Fall |
| 45,000 | 1995 | Spring |
| 20,000 | 1994 | Spring |
| 23,000 | 1989 | Fall |
| 16,000 | 1988 | Spring |