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 rocked by THOUSANDS of tremors – reason why REVEALEDThe New Health Care: Scant Evidence Behind the Advice About SaltCongo Says Baby Girl Is Youngest Survivor of Ebola OutbreakVirgin Galactic launch: Is SpaceShipTwo really ‘DANGEROUS’?Climate Negotiators Reach an Overtime Deal to Keep Paris Pact AliveA Bright Green ‘Christmas Comet’ Will Fly the Closest to Earth in Centuries