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Western Rivers: Magnets for Migrants | Smithsonian’s National Zoo and Conservation Biology Institute

https://nationalzoo.si.edu/migratory-birds/news/western-rivers-magnets-migrants

Imagine. It is dark and you have been traveling at an altitude of 5,000 feet for eight hours over arid desert, crossing the Mexican border at midnight. You have been flying on your own two wings, fueled by body fat and guided by the celestial map of the constellations. The sun begins to rise, and the dry, treeless expanse appears below. A serpentine river slithers through the flat valley, shedding off green fields of alfalfa and cotton.
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Migrant Landbirds in the Andes | Smithsonian’s National Zoo and Conservation Biology Institute

https://nationalzoo.si.edu/migratory-birds/news/migrant-landbirds-andes

When we think about birds migrating to the tropics, we often focus on nearby areas such as Mexico and the Caribbean. However, each fall, millions of songbirds migrate from North America to their wintering areas in the northern Andes of South America.
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