Thursday, 30 July 2020

Sri Lanka’s hourglass frog is only an hourglass frog 77% of the time

Sri Lanka’s hourglass frog is only an hourglass frog 77% of the time

HORTON PLAINS, Sri Lanka — Is an hourglass frog still an hourglass frog if it doesn’t have the distinctive marking on its back that gives it its name? That’s one…

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