What, if any, moral obligations we have to animals is a matter of intense debate. Views in moral and political philosophy vary from those that give animals no moral status in themselves, to those that give animals a fundamental moral status equal to humans. These theories are reviewed and critiqued. Despite the disagreement among these theories, common moral judgments concerning animals are found. These are that: animals have direct moral status (or should be treated as if they do); and animal suffering is a moral concern. These lead to two obligations: a negative prima facie duty to avoid harming animals; and a positive prima facie duty to improve the welfare of animals that are suffering. The New Zealand Animal Welfare Act (1999) is revie...