I see over and over creatures with sculptures of land that is sloped along side it. As if to represent that the particular creatures has slid to it's death. And I think it is a memorial to creatures of a particular style such as a Finch etc.
Much More Information regarding photo has been placed in appointed category! Plus, Url to Curiosity photo!
The analysis I use for the photos and imagery are not mean't to be exacting, only to get you closer to understanding that there is intelligent life on mars (martians). Many of the rocks you may think are rocks, are in fact highly designed sculptures, mechanical objects etc.
Nasa is trying to leak out anomalous imagery with out of course talking about it public! Though most images have been doctored, Nasa is trying to humbly and quietly nudge us along with out going too public about it vocally. Though it is work and painstaking effort to find objects in the images that have not been altered in some way!