Animal rights advocates are primarily concerned with ensuring the well-being and ethical treatment of animals, including their protection from harm, exploitation, and unnecessary suffering.

Utilitarianism, which emphasizes maximizing overall happiness and minimizing suffering, is often used to argue that animals have moral standing and deserve consideration of their interests.

Animal liberation refers to the belief that animals have inherent value and should be free from exploitation and oppression, while animal welfare focuses on improving the conditions and treatment of animals without necessarily challenging their status as property.

In the 2020 case Nonhuman Rights Project v. Lavery, a New York court recognized the legal personhood of a chimpanzee named Tommy, granting him the right to bodily liberty and the ability to sue for his freedom.

One common argument against granting animals legal rights is that they lack the capacity for rational thought, moral agency, and the ability to understand and comply with legal obligations.

The Universal Declaration of Animal Rights, adopted by the World League for Animal Protection in 1978, recognizes the inherent value of animals and calls for their protection from suffering, exploitation, and cruelty.

Animal agriculture refers to the raising and exploitation of animals for food, clothing, and other products, often involving intensive farming practices and the confinement of animals in unnatural conditions.

Autonomy, or the principle of respect for autonomy, emphasizes the importance of respecting the right of individuals to make their own choices and decisions, free from coercion or manipulation.

Animal testing, also known as animal experimentation or animal research, refers to the use of animals in experiments and research to study various aspects of biology, medicine, and other scientific fields.

People for the Ethical Treatment of Animals (PETA) is known for its controversial campaigns and tactics, including protests, undercover investigations, and public awareness campaigns, aimed at promoting animal rights and veganism.

Animal welfare refers to the belief that animals should be treated with compassion and respect, and that their well-being and interests should be taken into account when making decisions that affect them.

Jeremy Bentham, an 18th-century philosopher, argued that animals are capable of experiencing suffering and have a moral status, and that their interests should be considered when making moral decisions.

Environmental ethics refers to the belief that humans have a moral obligation to protect and preserve the natural environment, including its ecosystems, biodiversity, and the well-being of all living beings.

Vegan Outreach is an animal rights organization that focuses on promoting plant-based diets and veganism through educational campaigns, outreach events, and the distribution of vegan starter kits.

Animal entertainment refers to the practice of keeping animals in captivity for the purpose of providing entertainment to humans, such as in circuses, zoos, aquariums, and marine parks.