How do you record and analyse birdsong? We look at a few methods and gadgets. All illustrated with the help of a number of tricky species pairings. How do you tell the difference between the songs of Siberian Accentors, Black throated Accentors and Common Dunnocks?

Teet Sirotkin is a travel guide for AviFauna and has spent a large part of his life recording birdsong, especially mating and migration calls. He is an experienced lecturer and writer of articles, yet also a disc jockey and cybersecurity expert.