This is a really interesting piece that aired tonight on 60 Minutes. Thinking about how elephants communicate started a whole thought process in my head on how other large herbivores (prehistoric in my mind) may have communicated. There are also a few long shots of the elephants at a watering hole that made me wonder if sauropods, for example, would of had large trails leading to and from water sources. Fun to think what it would have been like in the late Jurassic :)
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