Image from Google Maps after processing to enhance details.
Near the Titicaca Lake, Peru.
It seems a snake, the pond as its eye and a bifid tongue.
To see the forked tongue it is necessary a zoom on the head and a filtering with wavelets to enhance the details.
More on waru-waru
arXiv:1009.4602 [pdf] Geoglyphs of Titicaca as an ancient example of graphic design, Amelia Carolina Sparavigna
arXiv:1009.2231 [pdf] Symbolic landforms created by ancient earthworks near Lake Titicaca, Amelia Carolina Sparavigna