Western Hemisphere's first humane organization. Aims to reduce injustices or exploitation on animals. Site presents information on organization activities, programs, and ways to help.

Independent research and educational organization dedicated to advancing the status of animals in public policy. Also aims to promote the study of human-animal relationships.

Organization promoting animal rights through public education and the advancement of the veterinary profession.

Nonprofit organization and national animal advocacy. Advances the protection of animals from cruelty and exploitation.

Citizen's lobbying organization founded to improve the humane treatment of animals through legislative initiatives.

Organization aims to provide sanctuary for hens and roosters that have escaped or have been rescued from abusive situations.

Highlights the activities of the animal rights and welfare advocacy group. Includes history, objectives, programs, strategies, leaders, blogs and news.

Addresses the issues of inhumane practices and conditions affecting farm and companion animals, wildlife, and endangered species.

Organization established to oppose the use of animals for scientific experiments, entertainment, clothing, and food.

Advocacy group working for the protection of "animals living in the wild somewhere other than their native country.".

Private nonprofit organization founded to promote a more humane world--with emphasis on animal welfare--through education, training, and information and networking opportunities.

All-volunteer organization providing public awareness and education on the conditions of animals and the environment.