Leave the Leaves
We only rake leaves out of places where they are a nuisance, such as the porch. I use leaves to mulch my flowerbeds.
Dead Trees Are Full of Life
I have long known that rotten logs are a vital habitat, so I have some of those in my yard. When a tree broke off about 12-15' up, I researched what to do with it because I vaguely remembered snags were useful too. I found out that many species use that vertical habitat, so I left it standing.