N.H. Rev. Stat. Ann. § 214:1

No person, except as hereinafter provided, shall at any time fish, hunt, trap, shoot, pursue, take or kill freshwater fish, marine and estuarine finfish species, saltwater smelt, saltwater shad, saltwater salmonoids, wild birds, or wild animals in this state, without first procuring a proper and valid license to do so, and then only in accordance with the terms of such license and subject to all the provisions of this title. The licensee shall carry such license on his or her person when so engaged, and the license shall be subject to inspection on demand of any person.