This entry compares accounts of animals’ moral standing and the capacities or relationships thought to ground it. It distinguishes questions about who counts from questions about how strongly their interests count. Its discussion provides context for sentience, species-based distinctions, and approaches extending beyond welfare aggregation.
Separate the ground of standing from the strength and content of a particular claim. Recognizing a being as morally considerable does not settle whether it has identical rights to every other being. Conversely, differences in capacity require an argument about relevance before they justify different treatment. The entry’s competing approaches can therefore agree that an animal counts while disagreeing about permissible use, conflicts of interest, or the duties generated by human care and dependency.