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Horned Grebe

Scientific Name: Podiceps auritus

Wikipedia Page

Avibase

Dendroica

Cornell Lab of Ornithology

Thresholds:

GlobalInformation6,200
Regional/ContinentalInformation5,000
Sub-regional/National SARInformation1

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.

Île de l'Est (QC009)
Number Year Season
4 - 201995Summer
401956Fall
Île Brion (QC007)
Number Year Season
22017Summer
12013Summer
1 - 32010Summer
41990Summer