A humpback whale surfaces near a dock in the deep water channel leading to 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 of Sacramento 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) Photo: Rich Pedroncelli