Pic de Williamson

Nom scientifique: Sphyrapicus thyroideus

Article Wikipédia

Avibase

Dendroica

Seuils:

Global3 000
Regional/Continental3 000
Sub-regional/National SAR4

Global

1% of the global abundance. This threshold is used to identify tigger species and IBA's under A4i/ii and A4iv categories

Regional/Continental

1% of the regional/continental population Estimate

Sub-regional/National SAR

The sub-regional/national SAR population threshold = 1% of the COSEWIC population estimate within the region (provinces/territories) 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)
Nombre Année Saison
52021Été
52018Été
42017Printemps
4 - 62015Printemps
52014Printemps
51998Été
101995Été

loading