When you think beavers, you think dams creating a safe microcosm in which they can thrive. But the effect of such dams ripples out well beyond that. In Eager, environmental journalist Ben Goldfarb presents a serious, incisive book that shows just how important beavers and their dams are for biodiversity, ecosystem health, and hydrology. If humans are now said to be a geological force to be reckoned with, birthing the term Anthropocene, our persecution of beavers led to the loss of another geological force.

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