The Federal protection of endangered species dates back to 1900 with the Lacey Act, which the U.S. Congress passed over growing concern for the decline of the Passenger Pigeon. Which required the secretary of Agriculture to protect, introduce, preserve and distribute, restore wild bird and game bird.

Public awareness grew in the 1960's forcing the Department of Interior to create a committee to identify species in immediate danger of extinction. The Redbook first published in 1964 became the first official document to list species the federal government considered to be endangered of extinction.

Then two years later the U.S. Congress passed the Endangered Species Protection Act of 1966. With the goal of protect, restore, conserve and propagate native fish and wildlife.

More Info: www.fws.gov