The salt marsh harvest mouse is an endangered species endemic to the San Francisco Bay's wetlands. That means it's found nowhere else. KCBS's Raquel Maria Dillon went along on a trapping expedition with scientists who are trying to understand this tiny rodent. (first aired April 8, 2024)

<p>The salt marsh harvest mouse is an endangered species endemic to the San Francisco Bay's wetlands. That means it's found nowhere else. KCBS's Raquel Maria Dillon went along on a trapping expedition with scientists who are trying to understand this tiny rodent. (first aired April 8, 2024)</p>

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