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Nature Moments: Swimming with Leeches

Bowdoin professor and biologist Nat Wheelwright explains his latest video:

I used to be afraid of leeches until I tried a simple experiment which showed that they much prefer frogs. Now I’d much rather swim in a natural pond than a sterile chlorinated pool.

If you want to make your own natural history observations, The Naturalist’s Notebook by Nathaniel T. Wheelwright and Bernd Heinrich (Storey Publishing, 2017) provides guidance and a systematic format — with 100% of royalties going to conservation and environmental education.

Watch all Nat’s Nature Moments videos.