The sound of butterfly wings flapping
January 23rd 2015 Geo: 19.312, -100.143The Eastern Monarch butterfly sets off from north-eastern USA and south eastern Canada beginning in September or October to make a journey of up to 4300 miles (given they don't fly in straight lines) to overwinter in one tiny, mountainous part of Mexico west of Mexico City. Two or three will start from a bush near Boston (where we got to tag them a few years ago as they
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