Animal rescue organizations, often simply called "rescues," are nonprofit groups dedicated to saving abandoned, abused, stray, or surrendered pets—primarily dogs, cats, and sometimes wildlife—and placing them in permanent adoptive homes through foster-based care.[1][2][5] Run predominantly by volunteers who house animals in their own homes, these groups provide medical treatment, behavioral training, and socialization before adoption, distinguishing them from government-funded shelters that typically maintain on-site kennels.[2][5][7] Notable roles include pulling animals from overcrowded shelters, addressing health issues like injuries or parasites, and evaluating compatibility with families, children, or other pets to ensure successful matches.[1][2][7] Many specialize by breed (e.g., Labrador Retriever Rescue) or focus on wildlife rehabilitation, releasing recovered animals like big cats back into the wild when possible.[1][2] Unlike shelters, rescues emphasize personalized care without overpopulation pressures, often partnering with service dog programs or conservation efforts.[1][2] Key achievements encompass thousands of U.S.-based groups rescuing hundreds to thousands of animals annually, funded by donations and adoption fees that cover veterinary costs.[1][5][7] They promote animal welfare policies, reduce euthanasia rates, and foster community education on responsible pet ownership.[6][8] Legal structures vary: many are 501(c)(3) nonprofits requiring articles of incorporation, bylaws, and IRS compliance, with some operating under shelter contracts.[3][4] Their current relevance persists amid ongoing issues like pet surrenders due to evictions or medical expenses, with rescues filling gaps in shelter systems by prioritizing rehabilitation over mere housing.[6] Recent trends highlight strict adopter screening and medical prioritization, ensuring healthier outcomes despite volunteer burnout risks.[3][7] (298 words)