Ring This ‘Fish Doorbell’ to Help Migrating Animals Get Through a Dutch Canal

An online underwater livestream lets worldwide volunteers ring a “fish doorbell” to help fish fulfill their reproductive missions

By: Scientific American

Apr 30 2024
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Canals flow freely through the Dutch city of Utrecht all summer, allowing passage for boats—and animal species that live beneath the surface. But in the spring, when the weather is chillier and far f… [+3960 chars]

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