Scientists are using only one tail feather of hummingbirds to find their wintering gr
Can just one feather save the dry forest in Costa Rica?
Scientists are using only one tail feather (R4) of Ruby- thoated hummingbirds to find their wintering grounds in Costa Rica and maybe protect the habitat they use in winter. See the article in https://watchingbirdscostarica.com/b...in-costa-rica/
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