Gallery
‹ Previous Photo Next Photo ›
Click the photo to view an even larger version.
There are actually about 10 species of giant tortise and almost all are specific to an island. This finding was one of the pieces of the puzzle Darwin used to theorize “On The Origin of Species”. Why would these tortises become distinct? In short, environmental adaptation was his answer.
San Cristobal Island Tortise Reserve – Galapagos
May 13, 2009