File:Panthera tigris tigris.jpg

Panthera tigris tigris, Bengaltiger, Indischer Tiger oder Königstiger Public Domain from http://images.fws.gov/ retouched by Zwoenitzer

This image is in the public domain because it contains or is derived from materials that originally came from the U.S. Fish and Wildlife Service, an agency of the United States Department of Interior.

Source: Mediawiki Commons http://commons.wikimedia.org/wiki/Image:Panthera_tigris_tigris.jpg