Beautiful snoring – it’s not an oxymoron.
Think of the gentle lowing of cows at pasture. Or the regular faint sighing of a sleeping baby.
Or a hummingbird perched – snoozing and wheezing – like this cute little fella…
One, two, three…. Aaaaaa.
The background hum is apparently a lab machine, not the bird. It’s a female Amethyst-throated Sunangel. (I copied that bit. Personally? I can confirm it’s a bird.)
A more scientific explanation can be found here.
Thank you to top cuteness spotter in Canada for sending me the link from As It Happens on CBC Radio.