Semipalmated Sandpiper
Scientific Name: Calidris pusilla
Thresholds:
- Shepody Bay West (NB009)1,122,000 (max.)
- Dorchester Cape and Grand Anse (NB038)400,000 (max.)
- Southern Bight, Minas Basin (NS020)300,000 (max.)
- Eastern Cape Sable Island (NS016)250,000 (max.)
- Akimiski Island (NU036)100,000 (max.)
- Saint's Rest Marsh & Beach (NB022)100,000 (max.)
- Albany River Estuary & Assoc. Coastline (ON125)88,130 (max.)
- Ekwan to Lakitusaki Shores (ON129)70,000 (max.)
- Barre de Portneuf (QC083)58,282 (max.)
- Upper Cumberland Basin (NS002)50,000 (max.)
- Cobequid Bay (NS019)43,536 (max.)
- Battures de Beauport and chenal de l'île d'Orléans (QC107)40,000 (max.)
- Battures aux Loups Marins (QC100)30,600 (max.)
- Chaplin Lake (SK033)30,404 (max.)
- Old Wives-Frederick Lakes (SK031)30,404 (max.)
- Quill Lakes (SK002)23,637 (max.)
- Pei lay sheesh kow (ON157)23,003 (max.)
- North Point (ON139)23,000 (max.)
- Beaverhill Lake (AB001)20,000 (max.)
- Foxe Basin Islands (NU011)19,012 (max.)
- Montmagny (QC104)15,848 (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.
| Shepody Bay West (NB009) | ||
|---|---|---|
| Number | Year | Season |
| 16,800 - 40,000 | 2021 | Fall |
| 20,000 - 65,000 | 2019 | Fall |
| 40,000 - 120,000 | 2018 | Fall |
| 20,000 - 35,000 | 2017 | Fall |
| 30,000 | 2016 | Fall |
| 20,000 - 30,000 | 2015 | Fall |
| 100,000 | 2013 | Fall |
| 16,000 - 35,000 | 2012 | Fall |
| 20,000 | 2011 | Fall |
| 60,000 | 2010 | Fall |
| 20,000 - 55,000 | 2008 | Fall |
| 45,000 | 2007 | Fall |
| 25,000 | 2007 | Summer |
| 20,000 - 75,000 | 2006 | Fall |
| 80,000 | 2005 | Fall |
| 30,000 - 70,000 | 2004 | Fall |
| 50,000 - 100,000 | 2003 | Fall |
| 40,000 | 2002 | Fall |
| 40,000 - 75,000 | 2001 | Fall |
| 25,000 | 2001 | Summer |
| 60,000 - 90,000 | 2000 | Fall |
| 30,000 - 50,000 | 1999 | Fall |
| 75,000 | 1996 | Fall |
| 25,000 - 40,000 | 1995 | Fall |
| 70,000 - 75,000 | 1994 | Fall |
| 45,000 | 1994 | Summer |
| 40,000 - 100,000 | 1993 | Fall |
| 20,000 | 1992 | Fall |
| 1,122,000 | 1991 | Fall |
| 120,000 | 1981 | Fall |
| 150,000 | 1980 | Fall |
| 100,000 | 1979 | Fall |
| 100,000 - 269,445 | 1978 | Fall |
| 350,000 | 1977 | Fall |
| 150,000 | 1976 | Fall |
| Dorchester Cape and Grand Anse (NB038) | ||
|---|---|---|
| Number | Year | Season |
| 20,000 | 2021 | Fall |
| 20,000 | 2020 | Fall |
| 20,000 - 128,100 | 2019 | Fall |
| 20,000 - 130,700 | 2019 | Summer |
| 30,000 - 95,000 | 2018 | Fall |
| 20,000 | 2018 | Summer |
| 30,000 - 80,000 | 2017 | Fall |
| 30,000 - 72,000 | 2016 | Fall |
| 20,000 - 50,000 | 2016 | Summer |
| 95,000 - 140,000 | 2015 | Fall |
| 30,000 - 60,000 | 2015 | Summer |
| 40,000 - 100,000 | 2014 | Fall |
| 60,000 | 2013 | Fall |
| 58,000 - 117,000 | 2012 | Fall |
| 40,000 - 50,000 | 2012 | Summer |
| 20,000 - 130,000 | 2011 | Fall |
| 40,000 | 2011 | Summer |
| 30,000 - 40,000 | 2010 | Fall |
| 75,000 - 100,000 | 2009 | Fall |
| 20,000 - 200,000 | 2007 | Fall |
| 20,000 - 50,000 | 2007 | Summer |
| 40,000 - 245,000 | 2006 | Fall |
| 45,000 - 75,000 | 2006 | Summer |
| 70,000 - 120,000 | 2005 | Fall |
| 19,500 - 20,000 | 2005 | Summer |
| 50,000 - 130,000 | 2004 | Fall |
| 25,000 - 150,000 | 2004 | Summer |
| 75,000 - 175,000 | 2003 | Fall |
| 30,000 - 200,000 | 2002 | Fall |
| 20,000 - 30,000 | 2002 | Summer |
| 80,000 | 1997 | Fall |
| 100,000 - 200,000 | 1995 | Fall |
| 400,000 | 1995 | Summer |
| 196,667 | 1994 | Fall |
| 90,000 - 165,500 | 1982 | Fall |
| 125,000 - 190,405 | 1981 | Fall |
| 100,000 - 143,200 | 1980 | Fall |
| 120,000 - 257,394 | 1979 | Fall |
| 72,000 - 145,200 | 1976 | Fall |
| Southern Bight, Minas Basin (NS020) | ||
|---|---|---|
| Number | Year | Season |
| 40,000 - 75,000 | 2021 | Fall |
| 30,000 | 2020 | Fall |
| 30,000 - 75,000 | 2019 | Fall |
| 30,000 | 2018 | Fall |
| 20,000 - 100,000 | 2017 | Fall |
| 20,000 - 25,000 | 2015 | Fall |
| 30,000 - 50,000 | 2014 | Fall |
| 20,000 - 25,000 | 2013 | Fall |
| 20,000 | 2012 | Summer |
| 300,000 | 2010 | Fall |
| 51,667 | 1994 | Summer |
| 30,000 | 1993 | Summer |
| 30,000 | 1991 | Fall |
| Eastern Cape Sable Island (NS016) | ||
|---|---|---|
| Number | Year | Season |
| 35,000 | 2012 | Fall |
| 18,300 | 1998 | Fall |
| 250,000 | 1993 | Summer |
| Akimiski Island (NU036) | ||
|---|---|---|
| Number | Year | Season |
| 50,000 | 2009 | Summer |
| 100,000 | 1995 | Summer |
| Saint's Rest Marsh & Beach (NB022) | ||
|---|---|---|
| Number | Year | Season |
| 100,000 | 1986 | Fall |
| 32,000 | 1985 | Fall |
| 20,000 | 1976 | Fall |
| Albany River Estuary & Assoc. Coastline (ON125) | ||
|---|---|---|
| Number | Year | Season |
| 38,330 - 63,750 | 2012 | Fall |
| 88,130 | 2012 | Summer |
| Ekwan to Lakitusaki Shores (ON129) | ||
|---|---|---|
| Number | Year | Season |
| 70,000 | 1995 | Summer |
| Barre de Portneuf (QC083) | ||
|---|---|---|
| Number | Year | Season |
| 58,282 | 1993 | Fall |
| Upper Cumberland Basin (NS002) | ||
|---|---|---|
| Number | Year | Season |
| 35,000 | 2011 | Summer |
| 50,000 | 1994 | Fall |
| Cobequid Bay (NS019) | ||
|---|---|---|
| Number | Year | Season |
| 20,000 - 30,000 | 2014 | Fall |
| 43,536 | 1994 | Summer |
| Battures de Beauport and chenal de l'île d'Orléans (QC107) | ||
|---|---|---|
| Number | Year | Season |
| 40,000 | 1973 | Fall |
| 15,000 | 1967 | Fall |
| Battures aux Loups Marins (QC100) | ||
|---|---|---|
| Number | Year | Season |
| 30,600 | 1989 | Fall |
| Chaplin Lake (SK033) | ||
|---|---|---|
| Number | Year | Season |
| 28,796 | 1994 | Spring |
| 9,317 | 1993 | Spring |
| 30,404 | 1987 | Spring |
| Old Wives-Frederick Lakes (SK031) | ||
|---|---|---|
| Number | Year | Season |
| 1,723 | 1994 | Spring |
| 30,404 | 1987 | Spring |
| Quill Lakes (SK002) | ||
|---|---|---|
| Number | Year | Season |
| 23,637 | 1993 | Spring |
| Pei lay sheesh kow (ON157) | ||
|---|---|---|
| Number | Year | Season |
| 20,989 | 2016 | Fall |
| 0 - 6,465 | 2012 | Fall |
| 0 - 5,430 | 2012 | Summer |
| 45 - 10,502 | 2011 | Fall |
| 0 - 23,003 | 2011 | Summer |
| 468 - 4,715 | 2010 | Fall |
| 0 - 4,600 | 2010 | Summer |
| 0 - 4,835 | 2009 | Summer |
| North Point (ON139) | ||
|---|---|---|
| Number | Year | Season |
| 20,989 | 2016 | Fall |
| 23,000 | 2011 | Summer |
| 10,000 | 1984 | Fall |
| Beaverhill Lake (AB001) | ||
|---|---|---|
| Number | Year | Season |
| 20,000 | 2005 | Spring |
| 7,200 | 1995 | Spring |
| Foxe Basin Islands (NU011) | ||
|---|---|---|
| Number | Year | Season |
| 19,012 | 1995 | Summer |
| Montmagny (QC104) | ||
|---|---|---|
| Number | Year | Season |
| 11,900 | 1990 | Fall |
| 15,848 | 1980 | Fall |