Songs to Lure Wayward Whales Toward Home

A humpback whale surfaces near a boat from the West Sacramento Police Department in the Port of Sacramento in West Sacramento, Calif., Wednesday, May 16, 2007. A pair of humpback whales, believed to be a mother and her calif, surfaced in the port late Tuesday. The pair were first spotted Sunday in the lower Sacramento River near the delta towns of Isleton and Rio Vista. (AP Photo/Rich Pedroncelli)