LOS ANGELES (AP) — Scientists on a research vessel off the central California coast spotted a waved albatross, marking just the second recorded sighting of the bird north of Central America. The yellow-billed bird with black button eyes, which can have an 8-foot (2.4-meter) wingspan and spends much of its life airborne over the ocean, also came with a mystery: Researchers wonder how and why a species known to breed in the Galapagos Islands – roughly 3,000 miles (4,800 kilometers) away –