This snake had a number of observers. There was no mobbing, just a sort of morbid fascination. The most active bird was the kalahari scrub robin who did most of its dancing a good distance from the snake.
Party of observers
LBJ https://www.inaturalist.org/observations/15279688
Black-chested prinia https://www.inaturalist.org/observations/15279689
Grey-backed sparrowlark https://www.inaturalist.org/observations/15279694
Kalahari scrub-robin https://www.inaturalist.org/observations/15279691
Lark https://www.inaturalist.org/observations/15279687
Scaly feathered finch https://www.inaturalist.org/observations/15279690
Sociable weaver https://www.inaturalist.org/observations/15279693