Since the COVID-19 lockdown, there's been a huge reduction in ambient noise levels, the result of which birdsong is more audible than ever, especially in built-up areas where road traffic and aircraft flyovers have decreased. It's just one of the environmental benefits of the quarantine curfew, and citizens around the world are taking more notice of our feathered friends' melodic chitchat. But what species sing the most beautiful songs?
Clock through the following gallery and find out which birds are the finest warblers in the world.