June 2, 1970 – The Tinain monarch was listed under the U.S. Endangered Species Act, which helped the bird on the long road toward recovery.

September 21, 2004 – The Tinian monarch's population had rebounded, and it was removed from the endangered species list.

May 2005 – The U.S. Fish and Wildlife Service released a post-delisting monitoring plan for the Tinian monarch.

December 11, 2013 – The Center for Biological Diversity petitioned the Service seeking Endangered Species Act protection for the Tinian monarch once again. 

January 25, 2018 – The Center filed a notice of intent to sue the U.S. Fish and Wildlife Service for failing to act on our petition for this tiny songbird.

Tinian monarch photo by Devon Pike/Wikimedia Commons