They frequently inhabit holes in rotten trees or in rotten branches of large trees. I think that is their preferred habitat.
Yes, squirrels make nests in trees.
Yes, wasps do make nests in trees.
No, squirrels and raccoons prefer hardwoods like maple or oak. They'll also build nests in attics, under roof tops and anywhere that's high enough off the ground and has enough space for building a nest to keep their babies warm and dry.
Raccoons will take advantage of a hollow tree to use as a den. However, they do not build 'nests' in trees such as a bird would build. They do climb trees for protection, however. They more frequently build a den at or near ground level.
No instead they sleep only in trees
They make nests in large, dead trees.
Yes, squirrels build nests in trees.
Many birds make their nests in trees and eat from fruit and insects that are on the trees. The more trees, the more nests can be made and the more food is availiable to the birds.
No, raccoons may eat fruits and nuts produced by trees but they do not eat trees.
Raccoons use existing shelters such as abandoned animal burrows, hollow trees, rock crevices, caves, storm sewers, culverts, abandoned buildings and attics.
Squirrels make their nests, called dreys, by weaving together twigs, leaves, and other natural materials. They build their nests high up in trees for protection and warmth.
Raccoons will den in burrows abandoned by other animals, in hollow trees, rock crevices, storm sewers, abandoned buildings, attics, crawl spaces under homes and decks. They are very opportunistic and will take advantage of any situation.