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Scientists found a gold-throated hummingbird in the Cordillera Azul National Park in Peru that, according to John Bates, a curator of birds at the Field Museum in Chicago, didn't "look like anything ...

Hummingbirds in the Peruvian Andes enter a state of torpor at night to conserve energy, dipping their body temperature to as low as 38 degrees Fahrenheit. Christopher Intagliata reports. If a ...