The lost collies came to Niki's door because they remembered her love from the dream world where they had already met. God's love is sufficient for all. Highly evolved people accept it as a fact. Yes, animals can love. There are too many such examples of animal behavior to doubt it.
Love goes beyond instinct.
That can change, however. A mother took her two daughters, ages eight and ten, to a pet store and returned home with a grey tabby kitten, Socks. All went well for several weeks. Then her son, who had moved to a new apartment where pets were not allowed, brought over his cat, Spook. Spook took an instant dislike to the kitten.