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On the topic of playback recordings. Here's something anecdotal, but that leads me to suspect that they could have a fairly negative effect on birds - at least those of some species. Several years ago, I bought a bird app for my iPad. It was winter and I was down in Arizona at the house that I used to rent up on the mountainside above Bisbee. There was a lot of bird activity around my place as it had gardens and trees. Anyhow, just after I got the app, a friend from town visited and wanted to see how the app worked. We were sitting out on the patio which was surrounded by pines and a Chinaberry tree. He asked me to show him the Phainopepla info, so we were looking at that. I'd never actually seen a Phainopepla in the garden although I'd seen them out in the mesquite in other locations. We played the audio recording of its song a couple of times just so that he could see how the app worked. In less than a minute, a male Phainopepla appeared amd perched in the Chinaberry tree less than a couple of metres above our heads. It was a bit of a shocker to see how quickly a couple of short bursts of sound had summoned a bird -- sort of like rubbing a lamp to produce a genie. That was scary enough, but it gets worse. For about a week, the bird hung around the patio, calling and calling and moving back and forth from the Chinaberry to the Pines. It was a real "Eeek!!" moment for me. I would never use the audio in one of those apps in an attempt to attract a bird. bev On 2/13/20, Frederick W. Schueler <bckcdb@istar.ca> wrote: > On 2/12/2020 2:26 PM, John Kearney wrote: > >> There are many views about the use of playback during the breeding >> season (and during migration as well). It is strictly prohibited, >> including pishing, in the North American Breeding Bird Survey, while >> it is an integral component of other survey methods such as nocturnal >> owl monitoring routes. > > * are there studies of whether a few episodes of playback in a breeding > season harm Owls or other Birds? (there are studies that show that > toe-clipping does increase mortality among Amphibians). It seems to me > that breeding pairs are in constant territorial interchanges, so that a > few episodes of playback would be unlikely to be particularly stressful, > and the fact that the playback is 'defeated' and goes away might even > encourage the pair. > > fred. > ------------------------------------------------------------ > Frederick W. Schueler & Aleta Karstad > Fragile Inheritance Natural History > Mudpuppy Night in Oxford Mills - https://www.facebook.com/MudpuppyNight/ > 'Daily' Paintings - http://karstaddailypaintings.blogspot.com/ > 4 St-Lawrence Street Bishops Mills, RR#2 Oxford Station, Ontario K0G 1T0 > on the Smiths Falls Limestone Plain 44.87156° N 75.70095° W > (613)258-3107 <bckcdb at istar.ca> http://pinicola.ca/ > ------------------------------------------------------------ > weekly Fragile Inheritance newsletter > https://www.dropbox.com/sh/jsi9grsqvsmfjyz/AADemBsIM0A83fazNkW_Dul0a?dl=0 > ------------------------------------------------------------ >
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