#ESAat50: The Endangered Species Act has an incredible track record. Of the more than 1,400 plants and animals placed under its care since 1973, 99% have been saved from extinction. Our world is wilder and better because the Act is here. On the Act's 50th anniversary, take a moment to learn more about how we use this powerful legal tool to ensure the protection of imperiled species who need it. Learn more: biodiv.us/AboutESA 📸 : Mexican gray wolf by George Andrejko / AZ Game & Fish Department.