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Chimpanzees are wild, complex animals who live in family groups and form lifelong bonds.

When a snake bit Lolo, one of 62 chimpanzees Humane Society International cares for in Liberia, sanctuary director and veterinarian Richard Ssuna gave him antibiotics and pain medicine hidden in rice balls. Lolo lives on one of six mangrove islands where animals were retired from research starting...

Monkeys are agile, intelligent primates—some of the closest animal relatives to humans.

Updated Jan.11, 2022 As a leader in the successful fight to end the use of chimpanzees in research, we have for years been the biggest supporter and donor to Project Chimps, a Georgia sanctuary that cares for chimpanzees retired from New Iberia Research Center. The sanctuary has always planned to...

When a young Jane Goodall entered the forests of Tanzania to study wild chimpanzees, neither she nor those supporting her work imagined the influence she would have. Today, Goodall—Ph.D., DBE, founder of the Jane Goodall Institute, and United Nations Messenger of Peace—is recognized not only as a...

WASHINGTON—Last week, the U.S. Court of Appeals for the Fourth Circuit dismissed the National Institutes of Health’s appeal of a federal court ruling that the agency broke the law by withholding sanctuary retirement from federally owned chimpanzees formerly used in research. The appeal was dismissed...

BALTIMORE, Maryland—On Tuesday, a Maryland federal judge ruled that the National Institutes of Health cannot lawfully refuse to retire federally owned chimpanzees formerly used for research to Chimp Haven, the federal chimpanzee sanctuary. The decision was issued in a lawsuit brought by the Humane...

Following one former lab worker's path to advocacy.

To reduce⁠—and eventually end⁠—harmful animal experiments.

Contents What is the Humane Society of the United States’ Investigations Team? What do you investigate? How often do your investigations result in successful outcomes? What’s it like to be an undercover investigator? How can I become an investigator? How can I report cruelty? I work in law...

When Rebecca Cary was in second grade, she started an animal club with her friends in the neighborhood. The group hosted a school bake sale to support manatees and visited an animal shelter with their parents. Although Cary doesn’t remember the details of the visit, she does remember thinking that...

Contents How many animals are used in experiments each year? Which animals are used in experiments? What kinds of experiments are animals used in? What kinds of institutions use animals in experiments? Where do laboratories get the animals they use in experiments? What is life like for animals in...

Minnow It makes sense that her best friends are turkeys. Minnow spent the first five months of her life on a dog meat farm in South Korea before she was rescued by Humane Society International in 2015 and adopted by Abbie Hubbard, who worked at a Virginia shelter where the rescued dogs were flown...

Dr. Jane Goodall graces the cover of this issue of All Animals, and we’re proud to share a Q&A between the legendary primatologist and Humane Society International president Jeff Flocken. We’re also rounding up some of the most impactful moments of 2023, checking in with a few of the nearly 4,000...

Reporters requesting information or interviews with subject matter experts can contact the Humane Society of the United States' Media Relations department using this form.

Update 12/29/22: President Biden has signed the fiscal year 2023 omnibus appropriations package into law—a big win for animals! We’ve had remarkable success in our end-of-session push for critical legislation in the U.S. Congress, with the Big Cat Public Safety Act, Shark Fin Sales Elimination Act...

Thirty-seven chimpanzees languishing at a New Mexico primate laboratory are still waiting for the National Institutes of Health to fulfil a promise it made in 2015---to retire them to sanctuary after a lifetime spent in research. Today, we’re giving these animals a helping hand by suing the federal...

For Precious and nine other female chimpanzees who have spent their lifetimes in research laboratories, this week marks the beginning of a new existence quite different from anything they have known before. A life where, for the first time, they will get a chance to do some of the things chimpanzees...

The Humane Society of the United States led a decades-long fight to end the use of chimpanzees in research. After the U.S. Fish and Wildlife Service acted on our petition to declare all chimpanzees as endangered in 2015, effectively ending such use, we supported the creation of Project Chimps, a 236...