Detect Migrating Birds with a Plastic Dish and a Cheap Microphone

Inexpensive technology can now be used to detect migrating birds at night. By assembling simple electronics in a bucket, an effective acoustic bird detector can be created. Birds migrate at night to avoid predators, use stars for navigation, and reduce heat stress. Recording bird calls during nocturnal travels can help identify species. A setup involving a plastic dish, a cheap microphone, and software like Raven Lite can capture and analyze bird sounds. By scanning spectrograms, different species of migratory birds can be identified, such as the killdeer, dark-eyed junco, and Kentucky warbler. This method allows individuals without extensive birdwatching experience to observe and distinguish various bird species during their nighttime migrations. The process involves recording sound files, extracting bird calls, and using tools like Birdnet for species identification. This innovative approach provides a unique opportunity to explore the world of nocturnal bird migration using accessible technology.