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Fig. 3. National Park Service (NPS) landscape scale soundscape survey in Rocky Mountain National Park. This system utilized a digital audio recorder (Zoom H2) and relied upon its internal microphones. The electronics were protected underneath an enclosure that served as both a wind fairing and weather protection.
Fig. 4. The recording system utilized by Joe Medley (U. C. Davis) to monitor great grey owls in the Sierra Nevada mountains of California. Two preamplified electret micro- phones (SuperCircuits PA3) were inserted into the throats of laboratory funnels, which served as conical horns. The rectangular case contained rechargeable NiMH D cells and a Cowon iAudio 7 solid state recorder.
Bioacoustical Monitoring in Terrestrial Environments 21
