An animal-marking tool is an essential item for farmers, ranchers, or wildlife biologists. It helps in the identification and tracking of animals. However, there are several synonyms for animal-marking tool, which means that there are several options that one can choose from when they need it. Some of these synonyms include ear notcher, tagger, ear marker, ear punch, tattoo pliers, branding iron, and paintball gun. Each of these tools has unique features that make it ideal for certain applications, and their use depends on various factors such as the animal species, the purpose of the marking, and the individual preferences of the user.