This video from the USA says about itself:
Migratory Connectivity Project: Songbirds Return
19 June 2015
Did you know the coast of Texas is the most important spot for migratory birds in the U.S. and Canada? Smithsonian Migratory Bird Center staff journey to this small island annually to study songbirds returning from their tropical wintering grounds and share this experience with local schoolchildren. Understanding these species and teaching the next generation about them is critical to their survival.
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