12月9日的Bird Sounds and Bird Calls应用程序分析

The voices and songs of 526 european bird species - singing and sounds during toking, calls, disturbance signals and other sounds that are most important in field determination. You can try our free app "Ecoguide - Birds of Europe": https://apps.apple.com/app/id1431505604 If you have some problem - please write lbogolubov@gmail.com. Thank you!