<p> <img src="http://thimg.todayhumor.co.kr/upfile/202204/1649503356ca3f1bebbe76492d89af0b7554ed4168__mn256948__w306__h480__f7229920__Ym202204__ANIGIF.gif" alt="giphy (10).gif" style="width:306px;height:480px;" filesize="7229920"></p> <p> </p> <p> <img src="http://thimg.todayhumor.co.kr/upfile/202204/16495033535743a6f12e4540b0a900dba6693b149a__mn256948__w306__h480__f4662710__Ym202204__ANIGIF.gif" alt="giphy (9).gif" style="width:306px;height:480px;" filesize="4662710"></p> <p> </p> <p> <img src="http://thimg.todayhumor.co.kr/upfile/202204/1649503359fc8399e2f5a04cd685bb09cd53fcfa78__mn256948__w306__h480__f7097820__Ym202204__ANIGIF.gif" alt="giphy (11).gif" style="width:306px;height:480px;" filesize="7097820"></p> <p> </p> <p> </p> <p> </p> <p> </p> <p><img src="http://thimg.todayhumor.co.kr/upfile/202204/16495037870e64ec95c4424054a533db734f1ae851__mn256948__w800__h520__f76373__Ym202204.jpg" alt="Delphinapterus_leucas_Steve-snodgrass-CC2-Att-Gen.jpg" style="width:640px;height:416px;"></p> <p> <span style="font-family:'굴림';">벨루가.</span> </p> <p> <span style="font-family:'굴림';">주로 차가운 북극지역 바다에 서식하는 흰돌고래</span><span lang="en-us" style="letter-spacing:0pt;font-family:'굴림';">.</span> </p> <p> <span style="font-family:'굴림';">흰색의 빙하가 많은 지역에서 주로 생활하기에 천적보호색으로서 매우 하얀색의 몸색깔을 띈다</span><span lang="en-us" style="letter-spacing:0pt;font-family:'굴림';">.</span> </p> <p> <span lang="en-us" style="letter-spacing:0pt;font-family:'굴림';"> </span> </p> <p> <br></p> <p><img src="http://thimg.todayhumor.co.kr/upfile/202204/1649503804133ae4bcdddc4bc2a0f58ca26b96aa55__mn256948__w325__h406__f18964__Ym202204.jpg" alt="11.JPG" style="width:325px;height:406px;"> <img src="http://thimg.todayhumor.co.kr/upfile/202204/1649503821ddda10b509ae4236b5b70da9edf9d362__mn256948__w397__h386__f24103__Ym202204.jpg" alt="3333333.JPG" style="width:397px;height:386px;"></p> <p> <span style="font-family:'굴림';">머리 부분에 툭 튀어나온 부분이 매우 말랑말랑하다</span><span lang="en-us" style="letter-spacing:0pt;font-family:'굴림';">. </span> </p> <p> <span style="font-family:'굴림';">경뇌유라 불리는 기름으로 채워진 멜론 기관이 있기 때문에 유연하고 모양이 변할 수 있다</span><span lang="en-us" style="letter-spacing:0pt;font-family:'굴림';">.</span> </p> <p> <span style="font-family:'굴림';">멜론 기관은 기본적으로 더 나은 통신 및 반향 위치 파악</span><span lang="en-us" style="letter-spacing:0pt;font-family:'굴림';">(</span><span style="font-family:'굴림';">반향위치측정</span><span lang="en-us" style="letter-spacing:0pt;font-family:'굴림';">)</span><span style="font-family:'굴림';">을 위한 렌즈 역할을 한다</span><span lang="en-us" style="letter-spacing:0pt;font-family:'굴림';">. </span> </p> <p> <span style="font-family:'굴림';">또한 내뿜는 초음파를 조절하고 주파수를 설정해 다른 고래와의 의사소통에 도움을 준다</span><span lang="en-us" style="letter-spacing:0pt;font-family:'굴림';">. </span> </p> <p> <span style="font-family:'굴림';">모든 이빨고래는</span><span style="font-family:'굴림';"> 멜론이 있지만 특히 흰돌고래는 자신의 의지대로 모양을 바꿀 수 있어 다른 이빨 고래류보다 뛰어난 기능을 자랑한다</span><span lang="en-us" style="letter-spacing:0pt;font-family:'굴림';">. </span> </p> <p> <span style="font-family:'굴림';">멜론 모양을 바꿔 울음소리를 다양하게 낼 수 있으며 울음소리가 카나리아와 비슷해 별명은 </span><span lang="en-us" style="letter-spacing:0pt;font-family:'굴림';">'</span><span style="font-family:'굴림';">바다의 카나리아</span><span lang="en-us" style="letter-spacing:0pt;font-family:'굴림';">'.</span> </p> <p> <span lang="en-us" style="letter-spacing:0pt;font-family:'굴림';"> </span> </p> <p><span lang="en-us" style="letter-spacing:0pt;font-family:'굴림';"> </span></p> <p><img src="http://thimg.todayhumor.co.kr/upfile/202204/164950400714b42ef0d15242ecab7486bd0ee98061__mn256948__w739__h371__f65549__Ym202204.jpg" alt="444.JPG" style="width:739px;height:371px;"></p> <p> <span style="font-family:'굴림';">특히 방대한 경뇌유가 머리에 담긴 향유고래의 경우 기름을 얻기 위한 인간들의 포획으로 멸종위기종이 되는데 중요한 영향을 미쳤다</span><span lang="en-us" style="letter-spacing:0pt;font-family:'굴림';">.</span> </p> <p> <span style="font-family:'굴림';">경뇌유는 점도가 아주 낮고</span><span lang="en-us" style="letter-spacing:0pt;font-family:'굴림';">, </span><span style="font-family:'굴림';">어떤 기름보다도 고온에서 점도를 잘 유지하며 산패</span><span lang="en-us" style="letter-spacing:0pt;font-family:'굴림';">, </span><span style="font-family:'굴림';">건조</span><span lang="en-us" style="letter-spacing:0pt;font-family:'굴림';">, </span><span style="font-family:'굴림';">부식의 경향이 없는 특성이 있다</span><span lang="en-us" style="letter-spacing:0pt;font-family:'굴림';">. </span> </p> <p> <span style="font-family:'굴림';">또한 타 기름보다 더 밝고 깨끗하게 연소되고 냄새가 나지 않아 일반 가정램프로도 인기가 높았다</span><span lang="en-us" style="letter-spacing:0pt;font-family:'굴림';">.</span> </p> <p> <span style="font-family:'굴림';">그 때문에 </span><span lang="en-us" style="letter-spacing:0pt;font-family:'굴림';">19</span><span style="font-family:'굴림';">세기 후반 석유화학 발전으로 효율적인 윤활제와 등유를 얻기 전까지는 향유고래를 비롯한 수많은 고래들이 도살당하였다</span><span lang="en-us" style="letter-spacing:0pt;font-family:'굴림';">.</span> </p> <p> <span style="font-family:'굴림';">대체 윤활제가 개발되기 이전인 </span><span lang="en-us" style="letter-spacing:0pt;font-family:'굴림';">1972</span><span style="font-family:'굴림';">년</span><span lang="en-us" style="letter-spacing:0pt;font-family:'굴림';">. </span><span style="font-family:'굴림';">미국 의회가 포경 사업을 금지한 법률을 발의한 이후 미국내 자동차 변속기 고장은 </span><span lang="en-us" style="letter-spacing:0pt;font-family:'굴림';">1972</span><span style="font-family:'굴림';">년 </span><span lang="en-us" style="letter-spacing:0pt;font-family:'굴림';">100</span><span style="font-family:'굴림';">만건 미만에서 </span><span lang="en-us" style="letter-spacing:0pt;font-family:'굴림';">1975</span><span style="font-family:'굴림';">년 </span><span lang="en-us" style="letter-spacing:0pt;font-family:'굴림';">800</span><span style="font-family:'굴림';">만건 이상으로 </span><span lang="en-us" style="letter-spacing:0pt;font-family:'굴림';">8</span><span style="font-family:'굴림';">배가 넘게 증가하였다</span><span lang="en-us" style="letter-spacing:0pt;font-family:'굴림';">.</span> </p> <p> </p> <p> <span style="font-family:'함초롬바탕';">참조</span><span lang="en-us" style="letter-spacing:0pt;">.</span> </p> <p> <a target="_blank" href="https://en.wikipedia.org/wiki/Melon_(cetacean" target="_blank"><u><span lang="en-us" style="letter-spacing:0pt;color:#0000ff;"></span></u></a> </p> <p> <a target="_blank" href="https://www.treehugger.com/why-belugas-squishy-head-special-4863664" target="_blank"><u><span lang="en-us" style="letter-spacing:0pt;color:#0000ff;"></span></u></a> </p> <p> <span lang="en-us" style="letter-spacing:0pt;"><a target="_blank" href="https://en.wikipedia.org/wiki/Melon_" target="_blank"></a></span> </p> <p> <span lang="en-us" style="letter-spacing:0pt;"><a target="_blank" href="https://whalescientists.com/beluga-squishy-head/" target="_blank">https://en.wikipedia.org/wiki/Melon_(cetacean)</a></span> </p> <p> <span lang="en-us" style="letter-spacing:0pt;"><a target="_blank" href="https://whalescientists.com/beluga-squishy-head/" target="_blank">https://whalescientists.com/beluga-squishy-head/</a></span> </p> <p> <span lang="en-us" style="letter-spacing:0pt;"><a target="_blank" href="https://en.wikipedia.org/wiki/Sperm_oil" target="_blank">https://en.wikipedia.org/wiki/Sperm_oil</a></span> </p> <p> <span lang="en-us" style="letter-spacing:0pt;"><a target="_blank" href="https://www.treehugger.com/why-belugas-squishy-head-special-4863664" target="_blank">https://www.treehugger.com/why-belugas-squishy-head-special-4863664</a></span> </p>