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Least Bittern

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Least Bittern

Scientific Name: Ixobrychus exilis

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Avibase

Dendroica

Cornell Lab of Ornithology

Thresholds:

GlobalInformation1,280
Regional/ContinentalInformation1,280
Sub-regional/National SARInformation15

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.

Eastern Lake St. Clair (ON012)
Number Year Season
751998Summer
131997Summer
Matchedash Bay (ON035)
Number Year Season
322000Summer
201999Summer
Plaisance (QC139)
Number Year Season
301995Summer
Long Point Peninsula and Marshes (ON001)
Number Year Season
221995Summer
Luther Marsh (ON059)
Number Year Season
101995Summer
201901Other
Marais de Saint-Timothée (QC158)
Number Year Season
202000Summer
Lac Saint-Louis et Îles-de-la-Paix (QC134)
Number Year Season
12 - 192010Summer
Nicolet et Baie-du-Fèbvre (QC112)
Number Year Season
172017Summer
132016Summer
132011Summer
132011Spring
41996Summer
Tiny Marsh (ON025)
Number Year Season
161995Summer
Pittock Reservoir (ON027)
Number Year Season
121995Summer