MONTEREY — A pod of 12 gray whales passing through Monterey Bay has been captured on video by a drone, giving whale-lovers an aerial view of the imposing marine mammals.

The San Francisco Chronicle reports gray whales are making their annual southward migration from Alaska to Mexico, where they'll be mating and birthing calves off the coast of Baja California.

Monterey Bay Whale Watch biologist Nancy Black says the whales usually travel in groups of one to three but as peak migration time approaches, they can be spotted in clusters of up to 20 whales.

Most of the whales pass through Monterey Bay from mid- to late-January.

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Information from: San Francisco Chronicle, http://www.sfgate.com

Waves of fun

What: Adult Summer Camp

Where: Camp Winnarainbow at Black Oak Ranch near Laytonville

When: June 17-23

Cost: $450

Information: Through May 15, write to Camp Winnarainbow, 1301 Henry St., Berkeley 94709; or call (510) 525-4304; or fax (510) 528-8775.