Very little research in this field

seems like a higher existence than being human

Animal rebirth is caused by actions driven by base instincts with no reflection or wisdom.

Not all animal rebirths are equally nice (just like human rebirths).

So a nice animal rebirth would be caused by acting with generosity but also living an unexamined life.

About tree fiddy

You just gotta act like one and you should be good. Sleep a lot and live for food and you’re all set.