It surely is ridiculous, for animals do not have rights.
Animals can't enter into complex social agreements humans use, such as constitutional republican government. Therefore, animals are not automatically protected by the “rights” humans create. Animals do not have rights, unless we specifically decide to grant them rights. If we do, it will be out of kindness, not duty; we can grant animals special legal protection, but we do not have to.
I do not like to see or hear of cruelty to animals, but thinking that animals have some "right" similar to humans is, as you say, ridiculous.