A silver shimmer on the water - the Gyrinus whirligig beetles
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They ripple over the water in a shimmery silver school... BEETLES! They're whirligig beetles in the genus Gyrinus, and hundreds upon hundreds of them are swimming on Hauser Lake, near Helena, Montana, at this very moment. This week I learned a lot about these beetles and the interesting puzzles of their lives.
A silver shimmer on the water - the Gyrinus whirligig beetles