Common Nighthawks migrate 20, 000 km from the boreal forests of Alberta, Canada to Brazil and back. Read more of our paper out today from this Smithsonian Migratory Bird Center and University of Alberta collaboration.
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Common Nighthawks migrate 20, 000 km from the boreal forests of Alberta, Canada to Brazil and back. Read more of our paper out today from this Smithsonian Migratory Bird Center and University of Alberta collaboration.