The Australian Acoustic Observatory project, described by its creators as a kind of "Google Street View of sound," is a new acoustic sensor network of hundreds of microphones and digital audio recorders distributed across multiple remote ecosystems on the continent. The solar-powered system will record animal and natural sounds continuously for 5 years.
https://boingboing.net/2019/12/02/google-maps-for-the-natura.html
https://boingboing.net/2019/12/02/google-maps-for-the-natura.html