BirdLife International Posted October 9, 2019 Share Posted October 9, 2019 A globally threatened bird with habitats shrinking at both ends of its migration route, the Cerulean Warbler’s population plummeted by 70% in 44 years. Now, its decline is slowing down – but why? We have a few theories…View the full article Quote Link to comment Share on other sites More sharing options...
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