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DIY Bird Trackers Cost $30, Help Science
- nkurz 18y agoThis is beautiful --- using home-made waterproof microphones and computer software to detect migrating songbirds. Here's a direct link to the microphone construction details: http://www.oldbird.org/mike_home.htm http://www.oldbird.org/mike_home.htm The directions are delightful, and include helpful hints such as which model number of Kmart flower pots work best for the purpose.