Grauer’s Swamp-Warbler

Searching for Grauer’s Swamp-Warbler at the Top of the Nile

September 2014. Tucked among the mille collines of northern Rwanda is a huge, high-elevation marsh called Rugezi. On a map, or on Google Earth, Rugezi appears among the “thousand hills” – as “mille collines” translates from the French of the
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