One of the myriad arguments in favor of wilderness conservation is that we do not know what we are losing when wild places are lost to development. Case in point with this story and image via National Geographic newswatch service:
Six months ago, visitors to the Peruvian Amazon discovered a mysterious picket fence structure nicknamed Silkhenge. Despite watching the structure for several days, naturalists at the Tambopata Research Center couldn’t figure out what type of animal (or fungus) was building it.
When scientist Troy Alexander first announced his find, all he had to show for his discovery was a series of intriguing photographs. He had no idea what Amazonian critter could have created the circular hideaway with a spoke-like outer wall.
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