A local animal rescue in Northern California warns of a surge in sea lions with a potentially fatal bacterial infection, leptospirosis, and advises dog owners to keep pets away.
Over the last two years, more than 500 northern fulmars were found sick or dead along the Sonoma and Mendocino coasts. What is ailing these seabirds?
Special report: A huge disruption to California's coastal ecosystem is under way after several years of unusually warm ocean conditions and drought.
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