Love whales? Blue whales—the largest animal ever known to have lived on the planet—have been slower to rebound from over-hunting of the 20th century. Did you know that they remain at about one percent of their historic range in the Southern Hemisphere? Scientists think their absence may have altered the ecosystem in a way that made it harder for all life to survive there. Because [humans] took out so many whales, there were probably extinctions in the deep sea before we knew those [scavenger] species existed. news.nationalgeographic/news/2014/07/140710-whales-ecosystem-engineers-fish-conservation-science/
Posted on: Fri, 11 Jul 2014 05:20:44 +0000
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