MARINE LIFE: Bottlenose dolphins, which until recent years mostly swam, mated and hunted—by echolocation—in Southern California waters, have been a regular presence in the Bay Area since 2010. A large portion of the local population is known to also frequent Monterey Bay.  Dale Trockel
“It’s sort of common knowledge in Dillon Beach that they’re out there now,” said Tom Thornley, a longtime resident of the tiny village. He was talking about bottlenose dolphins. The bottlenose dolphin, a roughly six to 12-foot cetacean that can live for 50 years, usually reside in southern

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