Identification
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All Naturesongs files (digital sound or image) posted on ADW are protected by United States Copyright law. The use or reproduction of any file must be authorized in writing from Naturesongs.com. While permission for non-commercial educational and scientific use is often granted without charge, permission must still be in writing from Naturesongs.com. Email 
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Caption
If intruders ignore his one-note warning, a male gets more aggressive and challenges them with a severe tongue lashing ! This routine is so effective that after a few days, virtually no other hummers come into his area and all he needs to do to maintain it is sing his one-note samba. Rufous hummers are both aggressive and intolerant of other species at the feeder. His wingbeat here measures a fairly fast 60 bps.
Douglas Von Gausig (recordist, copyright holder), Naturesongs.com
