Science, Space and Technology News 2024
University of New Mexico researchers have discovered a new species of giant hummingbird that migrates over 13,000 feet in elevation from Chile to Peru, covering over 5,200 miles.
The team, led by Jessie Williamson, UNM Ph.D., 2022, included the Museum of Southwestern Biology at UNM, Pontificia Universidad Católica de Chile in Chile, and Centro de Ornitología y Biodiversidad in Peru. Initially the researchers wanted to figure out where these migratory giant hummingbirds spend the winter. The birds, which are about eight times the size of a Black-chinned hummingbird, breed along the Pacific Coasts of central Chile but ‘vanish’ after breeding.
One of the research team’s novel discoveries was that migratory giant hummingbirds don’t just fly straight up to high altitudes–they pause their upward climb for periods of days to allow their blood and lungs to acclimate. In this way, the giant hummingbirds employ the same acclimatization strategy used by human mountaineers.
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