Tag Archives: Colima Warbler

Archived 2011-2012 topics: Colima Warbler Vermivora crissalis: downlist to Least Concern?

Colima Warbler Vermivora crissalis is currently listed as Near Threatened, however there appears to be no evidence that the species’s population is declining moderately rapidly and its Extent of Occurrence is estimated to be 100,000 km2. Furthermore, there do not appear to be any current severe threats and the species is tolerant of some habitat disturbance. Therefore, it does not appear to approach the Red List thresholds for either criteria and it may require downlisting to Least Concern. Continue reading

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