http://www.cnn.com/2006/TECH/science/02/11/endangered.frog.ap/index.html
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Their decline began with the artificial stocking of trout in Sierra lakes -- first carried in buckets by mule and then dropped by plane -- for sport fishing. The voracious predator pushed the frogs into isolated lakes.
Here is a preview.
Their decline began with the artificial stocking of trout in Sierra lakes -- first carried in buckets by mule and then dropped by plane -- for sport fishing. The voracious predator pushed the frogs into isolated lakes.