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Harlequin Duck

Scientific Name: Histrionicus histrionicus

Wikipedia Page

Avibase

Dendroica

Cornell Lab of Ornithology

Thresholds:

GlobalInformation2,850
Regional/ContinentalInformation2,100
Sub-regional/National SARInformation124

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.

Lambert Channel/Hornby Island Waters (BC061)
Number Year Season
1,0002007Spring
1,0002005Spring
4,2771999Other
2,5001998Spring
4,000 - 5,0001995Spring
1,0001995Fall
6001990Spring
Seven Islands Bay (LB003)
Number Year Season
3271994Summer
Shigawake-Newport (QC031)
Number Year Season
2002014Winter
1012012Winter
1002007Fall
961999Spring
191998Summer
2571998Spring
461997Fall
281996Summer
601996Fall
10 - 161993Spring
141990Summer
891989Fall
1151989Spring
251969Fall
Péninsule de Forillon (QC039)
Number Year Season
2002020Summer
1322020Spring
95 - 1002019Fall
2102016Summer
1522015Fall
1001985Fall
1001985Spring
South Shore (Port Joli sector) (NS004)
Number Year Season
1342019Fall
1172018Fall
962017Fall
2072012Winter
451999Winter
81984Winter
Gannet Islands (LB001)
Number Year Season
1742018Summer
701995Summer
Tumbledown Dick Islands and Stag Islands (LB025)
Number Year Season
1621998Fall
Cape St. Mary's (NF001)
Number Year Season
1242020Spring
1202018Winter
1372015Winter
1452014Winter
1062014Fall
962014Spring
1102005Spring
511998Winter
401997Winter
301988Winter
Rivière Nastapoka (QC148)
Number Year Season
1421992Summer
471991Summer
K'ómoks (BC272)
Number Year Season
1,4692007Spring
1,4772006Spring
1,0992005Spring
1,5872004Spring
1,0942003Spring
1,2212002Spring
Île Bonaventure / Bonaventure Island (QC001)
Number Year Season
941999Spring
751995Summer
15 - 351993Summer
901992Fall
151992Summer
191990Fall
301990Summer
331990Spring
25 - 1181989Fall
13 - 501988Fall
24 - 261988Summer
231987Fall
261985Winter
121984Fall
401984Summer
111983Fall
17 - 341982Fall
13 - 161982Summer
311981Spring
10 - 121980Fall
10 - 351979Fall
201976Summer
101976Spring
181974Spring
101969Summer
Rivers of the Lac Guillaume-Delisle Basin (QC147)
Number Year Season
1141992Summer
131991Summer