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Loggerhead Shrike

Scientific Name: Lanius ludovicianus

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Avibase

Dendroica

Cornell Lab of Ornithology

Thresholds:

GlobalInformation42,000
Regional/ContinentalInformation37,000
Sub-regional/National SARInformation206

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 - 32017Summer
1 - 42016Summer
12016Spring
1 - 22015Summer
12015Spring
12014Summer
12013Fall
1 - 22013Summer
12013Spring
42012Fall
1 - 52012Summer
1 - 22011Summer
22011Spring
1 - 62010Summer
12010Spring
1 - 62009Summer
52008Fall
1 - 22008Summer
22007Summer
1 - 72006Summer
1 - 52005Summer
12005Spring
1 - 72004Summer
1 - 32003Summer
62003Spring
1 - 62002Summer
1 - 32001Summer
1 - 82000Summer
1 - 2001999Summer
1 - 41998Summer
1 - 31997Summer
1 - 71996Summer
121996Spring
5 - 101995Summer
1 - 21994Summer
1 - 6541993Summer
1 - 21992Fall
1 - 61992Summer
11991Summer
71990Summer
Napanee Limestone Plain (ON152)
Number Year Season
1 - 42017Fall
5 - 152017Summer
2 - 82017Spring
1 - 22016Fall
4 - 112016Summer
2 - 32016Spring
1 - 42015Fall
2 - 42015Summer
12015Spring
1 - 32014Fall
22014Summer
22014Spring
12013Summer
2 - 42013Spring
3 - 112012Summer
2 - 32012Spring
32011Fall
1 - 52011Summer
2 - 62011Spring
22010Spring
22009Spring
12007Summer
42006Summer
1 - 22006Spring
1 - 22005Summer
1 - 22004Spring
2 - 32003Summer
1 - 22003Spring
1 - 22002Summer
12002Spring
1 - 22001Summer
1 - 52000Summer
61999Summer
41999Spring
61998Summer
11997Spring
601995Summer
11990Spring
Carden Alvar (ON040)
Number Year Season
1 - 42017Fall
2 - 32017Summer
2 - 42017Spring
1 - 22016Fall
1 - 52016Summer
1 - 42016Spring
12015Fall
1 - 42015Summer
32015Spring
1 - 22014Fall
1 - 42014Summer
1 - 42014Spring
12013Fall
2 - 42013Summer
2 - 32013Spring
1 - 22012Fall
1 - 62012Summer
1 - 52012Spring
22011Fall
1 - 32011Summer
1 - 52011Spring
1 - 42010Summer
1 - 32010Spring
1 - 22009Fall
1 - 32009Summer
1 - 42009Spring
1 - 32008Summer
1 - 22008Spring
1 - 82007Summer
1 - 22007Spring
1 - 32006Summer
12006Spring
1 - 42005Summer
12005Spring
1 - 22004Summer
12004Spring
1 - 22003Summer
1 - 22003Spring
1 - 32002Summer
1 - 22002Spring
12001Fall
1 - 32001Summer
1 - 32001Spring
1 - 182000Summer
1 - 22000Spring
22000Winter
11999Spring
6 - 151998Summer
1 - 21997Summer
11997Spring
11996Summer
1 - 171996Spring
2 - 111995Summer
11995Spring
61994Summer
21993Spring
1 - 181992Summer
21991Spring
201985Summer
Lac Deschênes-Ottawa River (ON112)
Number Year Season
12012Spring
1 - 52010Summer
12008Fall
82007Summer
12004Fall
31995Summer
Frontenac Forests (ON158)
Number Year Season
22002Summer
Whitewater Lake (MB015)
Number Year Season
12010Summer
12005Summer
22004Spring
41995Summer
Cabot Head (ON099)
Number Year Season
12013Fall
12013Summer
12004Spring
Cap Tourmente (QC002)
Number Year Season
12017Spring
Churchill & Vicinity (MB003)
Number Year Season
11998Summer
Delta Marsh (MB001)
Number Year Season
12011Spring
Douglas Marsh (MB002)
Number Year Season
12013Summer
Dundas Valley and Dundas Marsh (ON005)
Number Year Season
12017Spring
11997Spring
Hamilton Harbour Waterbird Colonies (ON020)
Number Year Season
12012Spring
11996Spring
Lake of the Woods Sand Spit Archipelago (ON144)
Number Year Season
12001Summer
Leslie Street Spit (ON038)
Number Year Season
12016Spring
Long Point Peninsula and Marshes (ON001)
Number Year Season
12013Spring
12011Fall
12008Fall
12004Fall
11992Spring
Manitoulin Island North Shore (ON150)
Number Year Season
12011Spring
Matchedash Bay (ON035)
Number Year Season
12013Spring
Moose River Estuary (ON138)
Number Year Season
11990Fall
Netley-Libau Marsh (MB009)
Number Year Season
12013Summer
Niagara River Corridor (ON002)
Number Year Season
12005Spring
Norfolk Forest Complex (ON009)
Number Year Season
11992Fall
North, West, and East Shoal Lakes (MB038)
Number Year Season
12012Spring
Oak Hammock Marsh WMA (MB010)
Number Year Season
12007Summer
12004Spring
12002Spring
12001Summer
Oak Lake/Plum Lakes Area (MB011)
Number Year Season
12011Summer
11999Spring
221998Summer
?1989Summer
Pei lay sheesh kow (ON157)
Number Year Season
11990Fall
Plage de l'Hôpital (QC012)
Number Year Season
12016Spring
Plaisance (QC139)
Number Year Season
12002Spring
Point Pelee (ON006)
Number Year Season
12013Spring
12006Fall
Presqu'ile Provincial Park (ON004)
Number Year Season
12016Fall
11999Fall
11996Spring
Prince Edward County South Shore (ON003)
Number Year Season
12014Summer
Southwest Elgin Forest Complex (ON048)
Number Year Season
12001Spring
West End of Lake Ontario (ON022)
Number Year Season
11992Spring
Wildwood Gull Roost (ON045)
Number Year Season
11997Spring
11996Spring