Avoidance Of Anthropogenic Habitat By Migratory Cranes
Sunday, September 4, 2011 - 09:20
in Biology & Nature
(Common cranes, Grus grus, in flight. Thanks to http://www.birdskorea.org/Birds/Birdnews/BK-BN-birdnews-2008-12.shtml for the photo; (c) Tim Edelsten.)read more