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:Nebraska Petition Seeks Medical Marijuana Ballot Measure in 2020Global Health: The World Needs a Urine Test for TB. But It’s Already Here.Trilobites: It’s the Solar System’s Most Distant Object. Astronomers Named It Farout.NASA asteroid WARNING: Giant space rock barrelling on 'Earth Close Approach' TONIGHTGlobal Health: An Island Nation Starts an Experiment: Vaccines Delivered by DroneWinter Solstice 2018: When is the Winter Solstice? Is it the longest night of the year?