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Williamson's Sapsucker

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Williamson's Sapsucker

Scientific Name: Sphyrapicus thyroideus

Wikipedia Page

Avibase

Dendroica

Cornell Lab of Ornithology

Thresholds:

GlobalInformation3,000
Regional/ContinentalInformation3,000
Sub-regional/National SARInformation4

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.

Vaseux Lake Area (BC262)
Number Year Season
42017Spring
4 - 62015Spring
52014Spring
51998Summer
101995Summer