Across North America and the Atlantic, Documenting an Enormous Migration Journey for a Tiny Songbird
By UMass Amherst 3/19/2019 UMass Amherst, Canadian researchers identify blackpoll warbler migration routes Blackpoll warblers that breed in western North America may migrate up to 12,400 miles roundtrip each year, some crossing the entire North American continent before making a nonstop trans-ocean flight of up to four days to South America. Now a new study led by first author Bill…