Trilobites: Same Oceans, Similar Prey, Two Very Different Necks Biologists studied cormorants and penguins that hunt fish in frigid seas and found that cormorants save energy by only moving their necks when seizing prey. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Yellowstone volcano: How scientists found magma chamber 'four times bigger than thought’Moon landing anniversary: Apollo 11 was one of NASA’s greatest achievements, survey findsSolar minimum could lead to ICE AGE ‘No one can predict what will happen next’Moon landing: Michael Collins feared he would be a ‘marked man’ if he returned aloneMoon landing: NASA invented brand new mathematics to safely land man on the Moon in 1969Moon landing: Elon Musk and Jeff Bezos will take us back into space - not NASA