playback

["Michael Hunter" <>]

Hi All,
         Has anyone out there have any actual evidence that tape playback in 
moderation is actually harmful to birds?

         Is playing a tape, or pishing for that matter, until the bird appears, 
any worse than invoking the natural behavior of a bird chasing away a 
territorial intruder?  Any worse than causing a bird to fly or run off when 
following it with a pair of binoculars?

          Professional bird guides from many different companies in Europe and 
the Americas return to the same territories again and again, year after year, 
with their tapes, the same birds keep responding. Playing the tapes doesn't 
seem to worry the birds any more than another intruding bird does.

          Does anyone have proof rather than opinion to the contrary?

                                                Cheers
                                                     Michael


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