Endangered Species by J. Patrick Fisher via Wikimedia Commons

Critically Endangered By Ikiwaner (Own work) [GFDL 1.2 (http://www.gnu.org/licenses/old-licenses/fdl-1.2.html)], via Wikimedia Commons

Endangered Species Bluewhale877Public Domain NMFS Northeast Fisheries Science Center (NOAA)

Endangered Species By Yathin S Krishnappa (Own work) [CC-BY-SA-3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons

Endangered Species By Johnmartindavies (Own work) [CC-BY-SA-3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons

Critically Endangered Species By Greg Hume (Own work) [CC-BY-SA-3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons

Endangered Species By derekkeats [CC-BY-SA-2.0 (http://creativecommons.org/licenses/by-sa/2.0)], via Wikimedia Commons

Endangered Species By aes256 [CC-BY-2.1-jp (http://creativecommons.org/licenses/by/2.1/jp/deed.en)], via Wikimedia Commons

Endangered Species Originally Posted to: http://flickr.com/photos/21932201@N04/2120360653 Source: http://www.flickr.com/photos/krayker/2120360653/sizes/l/