Anyone engaged in the most elementary animal observation is forced to conclude that animal "homosexuality," "filicide" and "cannibalism" are exceptions to normal animal behavior. Consequently, they cannot be called animal instincts. These observable exceptions to normal animal behavior result from factors beyond their instincts.
Largest Christian Church
[The church] must defend not only the earth, water and air as gifts of creation that belong to all. It must also defend the human person against its own destruction. What's needed is something like a 'human ecology,' understood in the right sense. It's not simply an outdated metaphysics if the church speaks of the nature of the human person as man and woman, and asks that this order of creation be respected.