Summary:
When an oak sapling grows without a flower nearby, a bee nest sometimes generates in the tree. This doesn't affect birch saplings.
Steps to Reproduce:
Place an oak sapling
Bone meal the sapling
Check the tree for a bee nest
Repeat these steps multiple times
Observed Results:
A bee nest sometimes generates in the tree.
Expected Results:
A bee nest should only have a chance of generating in the tree if there is a flower near the sapling.
Video:
[media]
I just had this happen as well in version 1.19.10. I planted 25 oak saplings and 3 grew bees nests. The closest flowers were about 15 blocks away. (taxi cab distance)