Rampon koel
A rising three-note "ku-oo" call in a bout of three that speeds up, then quiet, then another bout, the way a real koel calls. Only in playful, only with the switch on, and only while a bird is actually visible on screen, read from the same birdX() the scene draws its birds from.
npx susegad add sound-scape-rampon-koel
This piece has no written docs yet. Its demo and its source are the reference for now.