A Ruby-throated Hummingbird (Archilochus colubris) that had become entangled and died in the flowers of a common burdock (Arctium minus) was found 12 August 1999 in Cambria County, Pennsylvania.
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1 September 2000
Ruby-throated Hummingbird Death by Common Burdock (Arctium minus)
Herman J. Nealen,
Paul M. Nealen
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