It is clear that many animals exhibit homosexual behavior. A Youtube search will make it evident. My question is, why would God make or allow animals to be homosexual? It seems, through Catholic theology, humans act out on homosexual inclinations because of "the fall". That begs the question, why would our fall cause animals to be be "disordered", as the church puts it? Answers to the effect of them being animals without rational thought doesn't quite sit with me since God is still allowing this behavior whether explicitly or not.
I'm not interested in opinion or debate here. If anyone has any church sources or saint quotes on this issue, I would appreciate it. This is something that tests my faith in a big way.