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Image - Anconquija Region, Argentina(CPD Site SA35)


CPD Site SA35: The Andean hummingbird, Oreotrochilus estella, is uniquely
adapted to high mountain climates. Unlike most warm-blooded animals, its body
temperature drops several degrees during cold nights to save energy. This photo was taken
at Cerro Muñoz, 3650 m, Tucumán, Argentina.
Photo: Stephan Halloy.