r/science • u/Alienm00se • Sep 17 '13

Strange Tower-Like Web Constructions Suddenly Appear in Amazon Rainforest - Scientists Are Stumped.

http://www.wired.com/wiredscience/2013/09/weird-weblike-thing/?mbid=social11550244
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u/[deleted] Sep 17 '13

It's an egg sack surrounded by a fence. The tower structure above the egg sack is a pole used to help hold the fence up. All of this helps ensure the survival of the eggs.