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<div id='article-page'><div id='article-content' data-media-url='//news-app-staging.s3.amazonaws.com' data-base-url='//news-app-staging.herokuapp.com' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/5092/B.wav' data-capture-url='//staging.analytics.lingraphica.com/events/capture_news' data-article-title='Study: Elephant Seals Do a Lot of Work to Stay Fat' data-article-id='5660'><script src='//news-app-staging.herokuapp.com/javascripts/getscripts.js'></script><link rel='stylesheet' href='//news-app-staging.herokuapp.com/stylesheets/article.css' type='text/css' /><div class='article'><p><span data-start-time='0' data-end-time='8479'>A new study has found that elephant seals have to work very hard to stay fat.</span> <span data-start-time='8479' data-end-time='18104'>The research represents the most complete study to date of the feeding behavior of northern elephant seals. </span> <span data-start-time='18104' data-end-time='31479'>Scientists paid special attention to females of the species during difficult two-month trips, or migrations, in the northeastern Pacific Ocean.</span> <span data-start-time='31479' data-end-time='45854'>The seals were found to spend up to 20 hours every day - and sometimes a full 24 hours - in continuous deep-diving to feed on fish. </span> <span data-start-time='45854' data-end-time='58917'>They fed 1,000 to 2,000 times daily to gain the body fat necessary for reproduction and warmth in the cold waters.</span> <span data-start-time='58917' data-end-time='71625'>Taiki Adachi of the University of St Andrews in Scotland led the study, which recently appeared in the journal Science Advances.</span> <span data-start-time='71625' data-end-time='76250'>It is not easy to get fat, Adachi said.</span> <span data-start-time='76250' data-end-time='89688'>Researchers studied 48 female elephant seals from Ao Nuevo State Park in California as they traveled large ocean distances. </span> <span data-start-time='89688' data-end-time='94958'>Their entire trip was around 6,000 kilometers.</span> <span data-start-time='94958' data-end-time='103438'>Scientists based their findings on data collected in 2011 and 2018. </span> <span data-start-time='103438' data-end-time='108063'>They used three small removable devices.</span> <span data-start-time='108063' data-end-time='118229'>One device, attached under the jaw, counted the number of times the seals fed and measured their depth. </span> <span data-start-time='118229' data-end-time='127000'>A second satellite-linked device, attached to the head, followed the seals’ ocean movements.</span> <span data-start-time='127000' data-end-time='137438'>The third device was a smart video camera with an infra-red LED light and another depth sensor. </span> <span data-start-time='137438' data-end-time='141125'>It was also attached to the head.</span> <span data-start-time='141125' data-end-time='147333'>Elephant seals get their name from the large noses of the males. </span> <span data-start-time='147333' data-end-time='151479'>These noses look like an elephant's trunk. </span> <span data-start-time='151479' data-end-time='160250'>There are two species - the northern elephant seal and the slightly larger southern elephant seal. </span> <span data-start-time='160250' data-end-time='169125'>The two are the world's biggest seals and the largest ocean mammals other than whales.</span> </p></div><div class='control-buttons-sticky' style='display:none;'><div class='control-buttons'><button title='Back' class='back' disabled='disabled'></button><button title='Play' class='play' disabled='disabled'></button><button title='Pause' class='pause' style='display:none;'></button><button title='Forward' class='forward' disabled='disabled'></button><button class='finished-reading' style='display:none;'>Done</button></div></div></div><div id='article-media'><div id='media-image'><img src='https://news-app-production.s3.amazonaws.com/articles/5092/B.jpeg'/></div></div><div id='question-content' style='display:none;'><div class='vocabulary_question question-container' data-question-id=17482 data-hint-location='108063' style='display:none;'><div class='question' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/5092/what_is_a_jaw.wav'>What is a jaw?</div><div class='choices' data-correct-choice='Either one of the two bones of the face where teeth grow'><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/5092/either_one_of_the_two_bones_of_the_face_where_teeth_grow.wav'><span>Either one of the two bones of the face where teeth grow</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/5092/the_lower_extremity_of_the_leg_below_the_ankle.wav'><span>The lower extremity of the leg below the ankle</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/5092/the_organ_of_hearing_and_balance_in_humans_and_other_vertebrates.wav'><span>The organ of hearing and balance in humans and other vertebrates</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/5092/the_upper_joint_of_the_arm.wav'><span>The upper joint of the arm</span></div></div></div><div class='multiple_choice_question question-container' data-question-id=17483 data-hint-location='160250' style='display:none;'><div class='question' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/5092/what_ocean_mammals_are_bigger_than_elephant_seals.wav'>What ocean mammals are bigger than elephant seals?</div><div class='choices' data-correct-choice='whales'><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/5092/sea_otters.wav'><span>sea otters</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/5092/whales.wav'><span>whales</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/5092/bottlenose_dolphins.wav'><span>bottlenose dolphins</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/5092/harp_seals.wav'><span>harp seals</span></div></div></div><div class='sentence_completion_question question-container' data-question-id=17484 data-hint-location='147333' style='display:none;'><div class='question' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/5092/these_noses_look_like_an_elephants__blank__.wav'>These noses look like an elephant's <span class='blank'>trunk</span>. </div><div class='choices' data-correct-choice='trunk'><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/5092/ear.wav'><span>ear</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/5092/trunk.wav'><span>trunk</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/5092/foot.wav'><span>foot</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/5092/tusk.wav'><span>tusk</span></div></div></div><div class='question-buttons'><button class='skip-button'></button><button class='hint-button'></button><button class='speak-button'></button></div></div></div>
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