Loggerhead Shrike
Scientific Name: Lanius ludovicianus
Thresholds:
- Southwestern Manitoba Mixed-Grass Prairie (MB024)654 (max.)
- Napanee Limestone Plain (ON152)60 (max.)
- Carden Alvar (ON040)20 (max.)
- Lac Deschênes-Ottawa River (ON112)9 (max.)
- Oak Lake/Plum Lakes Area (MB011)7 (max.)
- Frontenac Forests (ON158)2 (max.)
- Prince Edward County South Shore (ON003)2 (max.)
- Whitewater Lake (MB015)2 (max.)
- Cabot Head (ON099)1 (max.)
- Cap Tourmente (QC002)1 (max.)
- Churchill & Vicinity (MB003)1 (max.)
- Delta Marsh (MB001)1 (max.)
- Douglas Marsh (MB002)1 (max.)
- Dundas Valley and Dundas Marsh (ON005)1 (max.)
- Hamilton Harbour Waterbird Colonies (ON020)1 (max.)
- Holiday Beach / Big Creek Conservation Area (ON034)1 (max.)
- Lake of the Woods Sand Spit Archipelago (ON144)1 (max.)
- Leslie Street Spit (ON038)1 (max.)
- Long Point Peninsula and Marshes (ON001)1 (max.)
- Manitoulin Island North Shore (ON150)1 (max.)
- Matchedash Bay (ON035)1 (max.)
- Moose River Estuary (ON138)1 (max.)
- Netley-Libau Marsh (MB009)1 (max.)
- Niagara River Corridor (ON002)1 (max.)
- Norfolk Forest Complex (ON009)1 (max.)
- North, West, and East Shoal Lakes (MB038)1 (max.)
- Oak Hammock Marsh WMA (MB010)1 (max.)
- Pei lay sheesh kow (ON157)1 (max.)
- Plage de l'Hôpital (QC012)1 (max.)
- Plaisance (QC139)1 (max.)
- Point Pelee (ON006)1 (max.)
- Presqu'ile Provincial Park (ON004)1 (max.)
- Rimouski (QC041)1 (max.)
- Southwest Elgin Forest Complex (ON048)1 (max.)
- West End of Lake Ontario (ON022)1 (max.)
- Wildwood Gull Roost (ON045)1 (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.
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.
| Southwestern Manitoba Mixed-Grass Prairie (MB024) | ||
|---|---|---|
| Number | Year | Season |
| 1 | 2021 | Summer |
| 3 | 2020 | Fall |
| 1 - 4 | 2020 | Summer |
| 1 | 2020 | Spring |
| 1 - 7 | 2019 | Summer |
| 2 - 3 | 2019 | Spring |
| 1 - 2 | 2018 | Summer |
| 1 | 2018 | Spring |
| 1 - 3 | 2017 | Summer |
| 2 | 2017 | Spring |
| 3 | 2016 | Fall |
| 1 - 4 | 2016 | Summer |
| 1 | 2016 | Spring |
| 1 - 2 | 2015 | Summer |
| 1 | 2015 | Spring |
| 1 | 2014 | Summer |
| 1 | 2013 | Fall |
| 1 - 2 | 2013 | Summer |
| 1 | 2013 | Spring |
| 4 | 2012 | Fall |
| 1 - 5 | 2012 | Summer |
| 1 - 2 | 2011 | Summer |
| 2 | 2011 | Spring |
| 1 - 6 | 2010 | Summer |
| 1 | 2010 | Spring |
| 1 - 6 | 2009 | Summer |
| 5 | 2008 | Fall |
| 1 - 2 | 2008 | Summer |
| 2 - 3 | 2008 | Spring |
| 1 - 2 | 2007 | Summer |
| 1 - 7 | 2006 | Summer |
| 1 - 5 | 2005 | Summer |
| 1 | 2005 | Spring |
| 1 - 7 | 2004 | Summer |
| 1 - 3 | 2003 | Summer |
| 6 | 2003 | Spring |
| 1 - 6 | 2002 | Summer |
| 1 - 3 | 2001 | Summer |
| 1 | 2001 | Spring |
| 1 - 8 | 2000 | Summer |
| 1 - 200 | 1999 | Summer |
| 1 - 4 | 1998 | Summer |
| 1 - 3 | 1997 | Summer |
| 1 - 7 | 1996 | Summer |
| 12 | 1996 | Spring |
| 1 - 10 | 1995 | Summer |
| 1 - 2 | 1994 | Summer |
| 1 - 654 | 1993 | Summer |
| 1 - 2 | 1992 | Fall |
| 1 - 6 | 1992 | Summer |
| 1 - 3 | 1991 | Summer |
| 5 - 7 | 1990 | Summer |
| Napanee Limestone Plain (ON152) | ||
|---|---|---|
| Number | Year | Season |
| 2 | 2021 | Fall |
| 2 - 3 | 2021 | Summer |
| 3 | 2021 | Spring |
| 1 - 4 | 2020 | Fall |
| 4 - 6 | 2020 | Summer |
| 1 - 2 | 2020 | Spring |
| 3 - 5 | 2019 | Fall |
| 1 - 2 | 2019 | Summer |
| 2 - 5 | 2019 | Spring |
| 4 | 2018 | Fall |
| 2 - 6 | 2018 | Summer |
| 2 - 3 | 2018 | Spring |
| 1 - 4 | 2017 | Fall |
| 5 - 15 | 2017 | Summer |
| 2 - 8 | 2017 | Spring |
| 1 - 2 | 2016 | Fall |
| 3 - 11 | 2016 | Summer |
| 1 - 3 | 2016 | Spring |
| 1 - 4 | 2015 | Fall |
| 2 - 4 | 2015 | Summer |
| 1 | 2015 | Spring |
| 1 - 3 | 2014 | Fall |
| 2 | 2014 | Summer |
| 2 | 2014 | Spring |
| 1 - 2 | 2013 | Summer |
| 1 - 4 | 2013 | Spring |
| 1 - 11 | 2012 | Summer |
| 1 - 3 | 2012 | Spring |
| 3 | 2011 | Fall |
| 1 - 5 | 2011 | Summer |
| 1 - 6 | 2011 | Spring |
| 2 | 2010 | Spring |
| 1 - 2 | 2009 | Spring |
| 1 | 2008 | Spring |
| 1 - 3 | 2007 | Summer |
| 1 - 4 | 2006 | Summer |
| 1 - 2 | 2006 | Spring |
| 1 - 2 | 2005 | Summer |
| 1 - 2 | 2004 | Spring |
| 2 - 3 | 2003 | Summer |
| 1 - 2 | 2003 | Spring |
| 1 - 3 | 2002 | Summer |
| 1 - 2 | 2002 | Spring |
| 1 - 2 | 2001 | Summer |
| 1 - 5 | 2000 | Summer |
| 6 | 1999 | Summer |
| 4 | 1999 | Spring |
| 1 - 6 | 1998 | Summer |
| 1 | 1997 | Summer |
| 1 | 1997 | Spring |
| 1 | 1996 | Spring |
| 2 - 3 | 1995 | Spring |
| 60 | 1995 | Summer |
| 1 | 1994 | Spring |
| 1 | 1992 | Fall |
| 1 | 1990 | Spring |
| Carden Alvar (ON040) | ||
|---|---|---|
| Number | Year | Season |
| 2 - 3 | 2021 | Fall |
| 4 - 5 | 2021 | Summer |
| 2 | 2021 | Spring |
| 1 - 2 | 2020 | Fall |
| 1 - 2 | 2020 | Summer |
| 2 - 4 | 2020 | Spring |
| 1 - 3 | 2019 | Fall |
| 1 - 3 | 2019 | Summer |
| 2 | 2019 | Spring |
| 1 - 3 | 2018 | Fall |
| 1 - 3 | 2018 | Summer |
| 1 - 3 | 2018 | Spring |
| 1 - 4 | 2017 | Fall |
| 1 - 4 | 2017 | Summer |
| 1 - 4 | 2017 | Spring |
| 1 - 2 | 2016 | Fall |
| 1 - 5 | 2016 | Summer |
| 1 - 4 | 2016 | Spring |
| 1 | 2015 | Fall |
| 1 - 4 | 2015 | Summer |
| 1 - 3 | 2015 | Spring |
| 1 - 2 | 2014 | Fall |
| 1 - 4 | 2014 | Summer |
| 1 - 4 | 2014 | Spring |
| 1 | 2013 | Fall |
| 1 - 4 | 2013 | Summer |
| 1 - 3 | 2013 | Spring |
| 1 - 2 | 2012 | Fall |
| 1 - 6 | 2012 | Summer |
| 1 - 5 | 2012 | Spring |
| 2 | 2011 | Fall |
| 1 - 3 | 2011 | Summer |
| 1 - 5 | 2011 | Spring |
| 1 - 4 | 2010 | Summer |
| 1 - 3 | 2010 | Spring |
| 1 - 2 | 2009 | Fall |
| 1 - 3 | 2009 | Summer |
| 1 - 4 | 2009 | Spring |
| 1 - 3 | 2008 | Summer |
| 1 - 2 | 2008 | Spring |
| 1 - 8 | 2007 | Summer |
| 1 - 2 | 2007 | Spring |
| 1 - 3 | 2006 | Summer |
| 1 - 2 | 2006 | Spring |
| 1 - 4 | 2005 | Summer |
| 1 | 2005 | Spring |
| 1 - 10 | 2004 | Summer |
| 1 | 2004 | Spring |
| 1 - 2 | 2003 | Summer |
| 1 - 2 | 2003 | Spring |
| 1 - 3 | 2002 | Summer |
| 1 - 2 | 2002 | Spring |
| 1 | 2001 | Fall |
| 1 - 3 | 2001 | Summer |
| 1 - 3 | 2001 | Spring |
| 1 - 18 | 2000 | Summer |
| 1 - 2 | 2000 | Spring |
| 2 | 2000 | Winter |
| 1 | 1999 | Summer |
| 1 | 1999 | Spring |
| 1 - 15 | 1998 | Summer |
| 1 | 1998 | Spring |
| 1 - 2 | 1997 | Summer |
| 1 | 1997 | Spring |
| 1 | 1996 | Summer |
| 1 - 17 | 1996 | Spring |
| 2 - 11 | 1995 | Summer |
| 1 | 1995 | Spring |
| 1 - 6 | 1994 | Summer |
| 2 | 1994 | Spring |
| 1 | 1993 | Summer |
| 2 | 1993 | Spring |
| 1 - 18 | 1992 | Summer |
| 2 | 1992 | Spring |
| 1 | 1991 | Summer |
| 2 | 1991 | Spring |
| 1 | 1990 | Spring |
| 20 | 1985 | Summer |
| Lac Deschênes-Ottawa River (ON112) | ||
|---|---|---|
| Number | Year | Season |
| 1 | 2012 | Spring |
| 1 | 2011 | Spring |
| 1 - 5 | 2010 | Summer |
| 1 - 6 | 2009 | Fall |
| 1 - 8 | 2008 | Fall |
| 4 - 9 | 2007 | Fall |
| 6 - 8 | 2007 | Summer |
| 4 - 6 | 2006 | Fall |
| 3 - 5 | 2006 | Summer |
| 3 - 4 | 2005 | Fall |
| 3 - 4 | 2005 | Summer |
| 1 - 5 | 2004 | Fall |
| 3 - 7 | 2004 | Summer |
| 3 | 1995 | Summer |
| Oak Lake/Plum Lakes Area (MB011) | ||
|---|---|---|
| Number | Year | Season |
| 1 - 3 | 2021 | Summer |
| 1 - 2 | 2020 | Summer |
| 1 | 2020 | Spring |
| 1 | 2019 | Summer |
| 1 - 7 | 2018 | Summer |
| 1 | 2018 | Spring |
| 1 | 2017 | Summer |
| 1 | 2011 | Summer |
| 2 | 2001 | Fall |
| 2 | 2001 | Summer |
| 1 | 1999 | Spring |
| 22 | 1998 | Summer |
| ? | 1989 | Summer |
| Frontenac Forests (ON158) | ||
|---|---|---|
| Number | Year | Season |
| 2 | 2002 | Summer |
| 2 | 1990 | Spring |
| Prince Edward County South Shore (ON003) | ||
|---|---|---|
| Number | Year | Season |
| 1 | 2019 | Spring |
| 1 | 2018 | Fall |
| 1 | 2014 | Summer |
| 1 | 2013 | Fall |
| 1 | 2002 | Spring |
| 2 | 2000 | Fall |
| 1 | 1993 | Fall |
| 1 | 1993 | Spring |
| Whitewater Lake (MB015) | ||
|---|---|---|
| Number | Year | Season |
| 2 | 2020 | Fall |
| 1 | 2019 | Fall |
| 1 | 2019 | Summer |
| 1 | 2010 | Summer |
| 1 | 2008 | Fall |
| 1 | 2007 | Spring |
| 1 | 2006 | Fall |
| 1 | 2006 | Summer |
| 1 | 2005 | Summer |
| 2 | 2004 | Spring |
| 2 | 2002 | Spring |
| 4 | 1995 | Summer |
| Cabot Head (ON099) | ||
|---|---|---|
| Number | Year | Season |
| 1 | 2013 | Fall |
| 1 | 2013 | Summer |
| 1 | 2004 | Spring |
| Cap Tourmente (QC002) | ||
|---|---|---|
| Number | Year | Season |
| 1 | 2017 | Spring |
| 1 | 2000 | Spring |
| 1 | 1999 | Spring |
| 1 | 1994 | Summer |
| 1 | 1994 | Spring |
| 1 | 1991 | Spring |
| Churchill & Vicinity (MB003) | ||
|---|---|---|
| Number | Year | Season |
| 1 | 1998 | Summer |
| Delta Marsh (MB001) | ||
|---|---|---|
| Number | Year | Season |
| 1 | 2011 | Spring |
| Douglas Marsh (MB002) | ||
|---|---|---|
| Number | Year | Season |
| 1 | 2013 | Summer |
| Dundas Valley and Dundas Marsh (ON005) | ||
|---|---|---|
| Number | Year | Season |
| 1 | 2017 | Spring |
| 1 | 1997 | Spring |
| Hamilton Harbour Waterbird Colonies (ON020) | ||
|---|---|---|
| Number | Year | Season |
| 1 | 2012 | Spring |
| 1 | 1996 | Spring |
| Holiday Beach / Big Creek Conservation Area (ON034) | ||
|---|---|---|
| Number | Year | Season |
| 1 | 1993 | Fall |
| Lake of the Woods Sand Spit Archipelago (ON144) | ||
|---|---|---|
| Number | Year | Season |
| 1 | 2001 | Summer |
| Leslie Street Spit (ON038) | ||
|---|---|---|
| Number | Year | Season |
| 1 | 2021 | Spring |
| 1 | 2016 | Spring |
| Long Point Peninsula and Marshes (ON001) | ||
|---|---|---|
| Number | Year | Season |
| 1 | 2020 | Spring |
| 1 | 2019 | Spring |
| 1 | 2013 | Spring |
| 1 | 2011 | Fall |
| 1 | 2008 | Fall |
| 1 | 2004 | Fall |
| 1 | 1992 | Spring |
| Manitoulin Island North Shore (ON150) | ||
|---|---|---|
| Number | Year | Season |
| 1 | 2011 | Spring |
| 4 | 1990 | Summer |
| Matchedash Bay (ON035) | ||
|---|---|---|
| Number | Year | Season |
| 1 | 2013 | Spring |
| Moose River Estuary (ON138) | ||
|---|---|---|
| Number | Year | Season |
| 1 | 1990 | Fall |
| Netley-Libau Marsh (MB009) | ||
|---|---|---|
| Number | Year | Season |
| 1 | 2013 | Summer |
| Niagara River Corridor (ON002) | ||
|---|---|---|
| Number | Year | Season |
| 1 | 2005 | Spring |
| Norfolk Forest Complex (ON009) | ||
|---|---|---|
| Number | Year | Season |
| 1 | 1992 | Fall |
| North, West, and East Shoal Lakes (MB038) | ||
|---|---|---|
| Number | Year | Season |
| 1 | 2012 | Spring |
| Oak Hammock Marsh WMA (MB010) | ||
|---|---|---|
| Number | Year | Season |
| 1 | 2018 | Summer |
| 1 | 2007 | Summer |
| 1 | 2004 | Spring |
| 1 | 2002 | Spring |
| 1 | 2001 | Summer |
| Pei lay sheesh kow (ON157) | ||
|---|---|---|
| Number | Year | Season |
| 1 | 1990 | Fall |
| Plage de l'Hôpital (QC012) | ||
|---|---|---|
| Number | Year | Season |
| 1 | 2016 | Spring |
| Plaisance (QC139) | ||
|---|---|---|
| Number | Year | Season |
| 1 | 2002 | Spring |
| 1 | 1996 | Summer |
| 1 | 1996 | Spring |
| Point Pelee (ON006) | ||
|---|---|---|
| Number | Year | Season |
| 1 | 2013 | Spring |
| 1 | 2011 | Spring |
| 1 | 2006 | Fall |
| 1 | 2006 | Spring |
| 1 | 1991 | Spring |
| Presqu'ile Provincial Park (ON004) | ||
|---|---|---|
| Number | Year | Season |
| 1 | 2016 | Fall |
| 1 | 1999 | Fall |
| 1 | 1996 | Spring |
| Rimouski (QC041) | ||
|---|---|---|
| Number | Year | Season |
| 1 | 2000 | Spring |
| Southwest Elgin Forest Complex (ON048) | ||
|---|---|---|
| Number | Year | Season |
| 1 | 2001 | Spring |
| West End of Lake Ontario (ON022) | ||
|---|---|---|
| Number | Year | Season |
| 1 | 2021 | Fall |
| 1 | 1992 | Spring |
| Wildwood Gull Roost (ON045) | ||
|---|---|---|
| Number | Year | Season |
| 1 | 1997 | Spring |
| 1 | 1996 | Spring |