The CDC’s shutdown of its macaque research program has put nearly 200 primates in limbo, raising new questions about federal oversight and long-term animal welfare. As the agency winds down decades of infectious-disease studies, advocates and sanctuaries are watching closely to see where the macaques will go next.

A federal judge has vacated a U.S. Fish and Wildlife Service decision denying Endangered Species Act protections for gray wolves in the West, ruling the agency failed to use the best available science.

North Carolina is actively working to protect the critically endangered red wolf.