You feel like you choose compassion but you assume animals do not choose because they don’t have language to express their considerations. You’re jumping the gun on choice and free will (existing at all, firstly) being exclusively something humans have been endowed with by their creator.
All the glowy, drippy, lovey, drug feelings you’re expressing might feel so intuitively, deeply true, but my guess is you’re being convinced by the human brain’s outrageously impressive ability to rationalize via language just about anything it wants in order to feel less agitated. Religion in a sense.
Or maybe you're just a part of the majority of Earth's poplulation, who have denied our loving potential and, instead, decided to remain in a destructively ignorant competition that is destroying the Earth and causing so much misery.
You think you are right, but I know that I am right, and I know that you have to choose to overcome your willful ignorance before you, too, can experience the depth of happiness and purpose that I experience in our poverty.
Good luck! I wish you all peace and happiness, but that begins with you, my friend. It is your choice to either seek the truth, or remain happy with where you are.
And it is inarguable, tho many try.