Buddha taught kindness towards lower beings; and since then there has not been a sect in India that has not taught charity to all beings, even to animals. This kindness, this mercy, this charity - greater than any doctrine - are what Buddhism left to us.
Swami Vivekananda, Swami Adiswarananda (2006). “Vivekananda, World Teacher: His Teachings on the Spiritual Unity of Humankind”, p.146, SkyLight Paths Publishing