What was the first animal to be listed as an endangered species in the United States? August 3, 2020 by Pamela Landy The peregrine falcon was listed as endangered in the late 1970s. It still remains on the list. Related Answers How many Hamilton Fishes have there been? How do you tell the age of a fish? How did the Dandelion get its name? What is the largest living animal? Why does MGM have a lion for a trademark animal? What campus was used as the location for Animal House (1978)?