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Period: to
First Initiative
President Theodore Roosevelt establishes the first National Wildlife Refuge at Pelican Island, Florida, to protect a variety of water birds -
ESPA
Endangered Species Preservation Act of 1966 authorizes land acquisition to conserve “selected species of native fish and wildlife.” -
Ivory
Ivory imports are banned in the United States to help reduce poaching of African elephants. -
Defining Harm
U.S. Supreme Court confirms that the term “harm” includes destroying or modifying the habitat for an endangered or threatened species