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Paruline à ailes dorées

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Paruline à ailes dorées

Nom scientifique: Vermivora chrysoptera

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Avibase

Dendroica

Seuils:

GlobalInformations2 100
Regional/ContinentalInformations2 100
Regional SARInformations90
Sub-regional/National SARInformations350

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

Regional SAR

Solely IUCN Vulnerable listed species are presently eligible. The Regional threshold for these birds is static and standardized: Passeriformes (e.g. perching/songbirds) = 90 individuals (or 30 pairs); non-Passeriformes = 30 individuals (or 10 pairs).

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.

Carden Alvar (ON040)
Nombre Année Saison
2002000Été