Plenty of animals build their homes in oak trees. But some very teeny, tricky wasps make the tree do all the work. And each miniature mansion the trees build for the wasps’ larvae is weirder and more flamboyant than the next.
https://www.youtube.com/watch?v=lOgP5NzcTuA&list=PLdKlciEDdCQA1MVDuyxZPVloYV3wpunMO&index=6&t=0s
