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虎鲸虎鲸虎鲸上 [复制链接]

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北京治白癜风好 http://m.39.net/pf/a_7497572.html

Hey~

英文字:,建议阅读时间:看水平

..02.13

这周又要来讲虎鲸了,没办法,因为爱嘛,这周的两篇将着重系统科学的为大家介绍虎鲸家族,你别以为虎鲸就一种,其实里面也有好几种,各自有着不同的习性与外貌差别,这一期主要介绍虎鲸的种类,以及形态差别。仔细研读吧inEnglish.(严肃认真脸)

Name:Killerwhale/Orca

Scientificname:Orcinusorca

Whatarekillerwhales?

Killerwhalesareamarinemammal,whicharedolphinsalthoughtheirnamesoundsliketheyareawhale.Theirnamekillerwhalewasoriginallywhalekillerastheywillhuntwhalesinbigpod(apodisthenameforagroupofdolphins)whichwasobservedbyancientsailorsbutovertimethenamegotchangedtokillerwhalewhichgaveoffthewrongimpression.EventheLatinnameOrcinusorcaalsogivesofftheimpressionofhuntingandeatingwhalesasthewordOrcinusorcatranslatesinto“OrcaoftheKingdomofthedead”whichgivesoffanevilimpression.

Whenmentioningkillerwhales,peoplewillthinkofonekindofkillerwhalebuttherearedifferentspecieswhichdohaveslightdifferencesinimagesanddiet.

·Typesofkillerwhales

1.Resident

Thesearefish-specialisttheynormallyliveinsmallrangesthatarearoundareasthathavealotofbigfishpopulations,theorcasthatliveinthenorthandthesouthofthePacificwillmainlyeatsalmon,whiletheresidentAlaskanorcaswilleatmultiplefishspeciessuchassalmon,mackerel,halibutandcod.ResearchontheorcasthatliveintheRussianandjapanscoastlineswilleatsalmonandmackerel.

Theseorcasliketoliveinabig

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