Sentence:  The <WSD>Mink</WSD>, so highly valued for its fur, being an amphibious animal, is equally at home upon the land or in the water. ... The relentlessness with which trapping has been pursued has threatened, in some localities, the extermination of the <WSD>Mink</WSD>, and the legislature of at least one State has properly made it punishable by fine to kill a <WSD>mink</WSD> between the months of March and November following. 
Meaning of the word marked with <WSD> tags:  ("plural" '''mink''' or '''minks''') Any of various semi-aquatic, carnivorous mammals in the Mustelinae subfamily, similar to weasels, with dark fur, native to Europe and America, of which two species in different genera are extant: the American mink ("Neovison vison") and the European mink ("Mustela lutreola").