From http://www.photolib.noaa.gov/htmls/sanc0114.htm

A humpback tail

   Image ID: sanc0114, NOAA's Sanctuaries Collection
   Location: Gulf of the Farallones National Marine Sanctuary
   Photographer: Ken Balcomb

From: http://www.photolib.noaa.gov/aboutimages.html

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Most NOAA photos and slides are in the public domain and CANNOT be copyrighted.

Although at present, no fee is charged for using the photos credit MUST be given to the National Oceanic and Atmospheric Administration/Department of Commerce unless otherwise instructed to give credit to the photographer or other source.

This image is in the public domain because it contains materials that originally came from the U.S. National Oceanic and Atmospheric Administration, taken or made as part of an employee's official duties. العربية ∙ čeština ∙ Deutsch ∙ Zazaki ∙ English ∙ español ∙ eesti ∙ suomi ∙ français ∙ hrvatski ∙ magyar ∙ italiano ∙ 日本語 ∙ 한국어 ∙ македонски ∙ മലയാളം ∙ Plattdüütsch ∙ Nederlands ∙ polski ∙ português ∙ română ∙ русский ∙ sicilianu ∙ slovenščina ∙ Türkçe ∙ Tiếng Việt ∙ 简体中文 ∙ 繁體中文 ∙ +/−