California mice eat monarch butterflies

This newly discovered mouse-butterfly interaction suggests that western monarch decline could disrupt ecosystems in unanticipated ways.

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It’s who you are that matters most

A first-of-its-kind study found that evolutionary history has the strongest influence in both wild and captive woodrats’ microbiomes.

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The secret social lives of giant poisonous rats

The African crested rat’s fur is packed with a poison so lethal just a few miligrams can kill a human. Biologists confirmed where it gets its poison, and uncovered an unexpected social life.

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