15 Strange And Beautiful Hummingbird Species
Ecuadorian Hillstar: The Ecuadorian hillstar (Oreotrochilus chimborazo) lives at high altitudes in the Andes, feeding along the slopes right up to the snow line. Because these birds live in such cold areas year-round, they conserve energy by taking shelter in protected roosts and going into torpor (a state of lowered metabolic rate, heart rate, oxygen intake, and body temperature) at night.