How bark beetles use mob mentality to kill millions of California trees.

They're found in packs and look for the weak but they're not the scary predator you'd imagine. In fact, they're about the size of a rice grain. They're called bark beetles.

http://www.abc10.com/mb/news/local/california/how-bark-beetles-use-mob-mentality-to-kill-millions-of-california-trees/335144985

Publicado el octubre 29, 2016 11:10 MAÑANA por biohexx1 biohexx1

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