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1. recommended by 169 Animal Welfare, Rights, & Protection experts 15 Top Animal Welfare, Rights, & Protection nonprofits at

2. #1 Humane Society of The United States The HSUS seeks a humane and sustainable world for all animals; a world that will also benefit people. We are America's mainstream force against cruelty, exploitation, and neglect, and also the nation's most trusted voice extolling the human-animal bond. Our mission statement: Celebrating Animals, Confronting Cruelty.

3. #2 American Society for the Prevention of Cruelty to Animals The mission of the ASPCA, as stated by our founder, Henry Bergh, is to provide effective means for the prevention of cruelty to animals throughout the United States.

4. #3 PetSmart Charities To improve the quality of life for all companion animals by creating and supporting programs that save the lives of homeless pets and promote healthy relationships between people and pets.

5. #4 Best Friends Animal Society Best Friends Animal Society believes kindness towards animals creates a better world for all of us. To this end, Best Friends works with shelters, rescue groups and our members nationwide on a variety of grassroots programs designed to bring about a time when there are No More Homeless Pets.

6. #5 Farm Sanctuary To provide rescue and care for abused and neglected farm animals; Provide adoption service and information on farm animal care; Educate and disseminate information on farm animal issues; Conduct cruelty investigations and assist authorities in farm animal cruelty cases; Monitor legislative action.

7. #6 Maddie's Fund Maddie’s Fund is helping to create a no-kill nation where all healthy and treatable shelter dogs and cats are guaranteed a loving home.

8. #7 Alley Cat Allies Alley Cat Allies' mission is to end the killing of cats and lead the movement for their humane care.

9. #8 People for the Ethical Treatment of Animals People for the Ethical Treatment of Animals (PETA) is dedicated to establishing and protecting the rights of all animals. PETA operates under the simple principle that animals are not ours to eat, wear, experiment on, or use for entertainment. PETA focuses its attention on the four areas in which the largest numbers of animals suffer the most intensely for the longest periods of time: on factory farms, in laboratories, in the fur trade, and in the entertainment industry.

10. #9 Animal Legal Defense Fund ALDF's mission is to protect the lives and advance the interests of animals through the legal system.

11. #10 Mercy for Animals Mercy For Animals works to be a voice for animals through proactive consumer education. MFA focuses on farmed animal advocacy and promoting cruelty-free food choices.

12. #11 Humane Alliance of WNC Our mission is to provide the non-lethal solution to the homeless, abandoned, and feral animal populations so that euthanasia is no longer an acceptable means of population control.

13. #12 Sea Shepherd Conservation Society To end the destruction of habitat and slaughter of wildlife in the world's oceans in order to conserve and protect ecosystems and species.

14. #13 New England Anti-Vivisection Society The New England Anti-Vivisection Society (NEAVS), founded in 1895, works to end animal experiments and replace them with modern alternatives that are ethically and scientifically superior. NEAVS works to: change laws, policies and practices; promote the development and use of non-animal alternatives in science and at all levels of science education; and support rescues of animals from research and their permanent placement and care in sanctuary.

15. #14 Society of Animal Welfare Administrators Promoting humane ideals and a professional approach to management of private or governmental animal welfare and control agencies, promoting the sharing of information among and within animal care agencies, to provide educational opportunities for members, and to enhance the positive and professional image of animal welfare and control agencies.

16. #15 Center for Biological Diversity At the Center for Biological Diversity, we believe that the welfare of human beings is deeply linked to nature to the existence in our world of a vast diversity of wild animals and plants. Because diversity has intrinsic value, and because its loss impoverishes society, we work to secure a future for all species, great and small, hovering on the brink of extinction. We do so through science, law, and creative media, with a focus on protecting the lands, waters, and climate that species need to survive. We want those who come after us to inherit a world where the wild is still alive.

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