#United States #Washington #Biomedical Research #Long-Tailed Macaques #USFWS

U.S. Fish and Wildlife Service Denies Petition for Long-Tailed Macaques

On July 14, 2026, the U.S. Fish and Wildlife Service (USFWS) made headlines by rejecting a petition from animal rights activists, primarily from People for the Ethical Treatment of Animals (PETA), to classify long-tailed macaques (Macaca fascicularis) as an endangered species under the U.S. Endangered Species Act (ESA). This decision marks the second time in three years that USFWS has declined such a request.

According to USFWS, the information provided in the PETA's petition lacked significant scientific merit that would warrant further consideration. This conclusion draws attention to the rigorous standards the agency employs in making decisions regarding species protection.

Matthew R. Bailey, president of the National Association for Biomedical Research (NABR), commended the USFWS for its meticulous and scientifically-backed approach. "The USFWS's decision indicates that long-tailed macaques do not require protection under the ESA," he stated. "It is apparent from records that activist groups like PETA have attempted to misuse the ESA and similar environmental processes as tools to obstruct or inhibit medical research in the United States and globally. This not only jeopardizes human health and safety but also undermines the integrity of these environmental processes as they are manipulated for political agendas."

The NABR emphasized its commitment to safeguarding biomedical research, asserting that species protection decisions should rely on the best available scientific and commercial data. Long-tailed macaques play an essential role in biomedical studies due to their physiological and biological similarities to humans. Their use in research is stringently monitored, both by international entities and U.S. federal agencies.

Research involving long-tailed macaques has significantly contributed to advancements in regenerative medicine, immunology, cancer treatment, vaccine development, and pharmacology. Recently, the National Institutes of Health (NIH) published findings underscoring the critical role these primates hold in conducting biomedical research.

"Given their physiological and biological similarities to humans, long-tailed macaques are a crucial resource for preclinical biomedical research. They contribute to developing therapies before human clinical trials commence," Bailey explained. "As such, they have played an integral role in the safety evaluation and effectiveness of countless currently available drugs and treatments, remaining invaluable for biomedical progress."

About the NABR

Founded in 1979, the National Association for Biomedical Research (NABR) is the sole 501(c)(6) nonprofit organization focused on the responsible public policy of humane animal use in biomedical research, education, and testing. Its members encompass over 280 universities, medical and veterinary schools, teaching hospitals, pharmaceutical and biotech companies, patient advocacy groups, and academic and professional societies that depend on humane and responsible animal research to advance global human and animal health. For more details, visit www.nabr.org.