House of Birds — Steven Popkes

What if God is an alien who inhabits the body of a macaw? Young Ian finds out when his mother's nasty-tempered bird offers to cure her alcoholism if Ian will work for the alien.What follows is a career spanning hundreds of years and identities, as Ian struggles to save at least some of humanity from environmental disasters: earthquakes, tsunamis, and lost species. He gets used to lots of dying.Is a terraformed Venus full of dinosaurs worth it?