You searched for: “zoophiles
zoophile (s) (noun), zoophiles (pl)
A lover of animals; especially one that is more fond of animals than of humans: Aunt Jane must be a zoophile because she is so devoted to her cat Toby and says that she adores it, more than being with people who have disappointed her so much in the past.

A zoophile is also one who is opposed to any animal experimentation, also known as an "antivivisectionist".