PhysOrg Posted October 7, 2015 Posted October 7, 2015 The bird that's experienced the steepest population declines in North America in recent decades is also one that few people have heard of: the Rusty Blackbird. Rusty Blackbird (Euphagus carolinus) populations have decreased by about 95% in the last fifty years, but the reasons are not well understood; it doesn't help that their preferred breeding habitat, stunted conifers deep in the wetlands of the boreal forest, makes finding and studying them difficult. Read the full article on PhysOrg
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