Kingdoms of the Sky

Mountain Diaries | Filming Glacier Birds

The Kingdoms of the Sky Andes crew document how they became the first ever to film the white-winged Diuca finch -- the only bird known to build its nest inside glaciers.

Mountain Diaries | Filming Glacier Birds

8m 14s

The Kingdoms of the Sky Andes crew document how they became the first ever to film the white-winged Diuca finch -- the only bird known to build its nest inside glaciers.

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