Birdsong...
Interestingly, English birds clearly have more complex songs than Thai ones though on balance I think Thailand, at least my home, has more in quantity and sheer volume.
https://video.nostr.build/6c9516b2d31c8a2f0b66baec2f0c9f489c33db423d3b8f81ab1a538f8e6513ec.mp4