Andean Glacier Bird - Diuca speculifera

Glacier nests of Diuca speculifera at Quelccaya Ice Cap - image gallery

Diuca speculifera nest, Quelccaya Ice Cap [2006 nest 4, image 4 of 4; see WJO Fig. 2 and measurements in text]. GPS for scale is ~15cm long.
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Doug Hardy, UMass Geosciences