Tag Archives: Grey-backed Tachuri

Grey-backed Tachuri Polystictus superciliaris is listed as Near Threatened under criterion B1a+b(i,ii,iii,v) on the basis that it was thought to have a small and decreasing range within which it occurred at only a few locations. The species is still suspected to be in decline owing to habitat degradation; however, the updated range map suggests that its Extent of Occurrence is much larger than previously thought. Continue reading →