Pacific chorus frogs make urban comeback
As dusk fell one spring evening in 2003, a small group of volunteers crawled along a creek bank, searching among tall grasses, under piles of decaying garbage and in stagnant puddles for gelatinous clutches of eggs. The Port of San Francisco was about to build a new bridge over Islais Creek Channel on the city's southern waterfront, and time had nearly run out for its Pacific chorus frog colony. Urban...
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