《贸易客源国概况》课件——3-9-2森林居民的时钟The Clock of Forest Residents.pptx

TheClockofForestResidentsLecturer:GuoZhiwen

ThelaughingKookaburraisoneoftheiconicbirdsinAustralia.ItisakindoffisheaterofKingfisherfamily.Itisnamedafteritssoundlikelaughter.Becauseitssongcanbeheardintheearlymorningorsunset,itisknownastheclockofforestresidents.ItwasonceusedasamascotintheSydneyOlympicGames.

ThekookaburraisacommonbirdinthecountrysideofAustralia.Likekangaroo,Australianpeopleloveitverymuch.Therefore,theimageofKookaburraappearsonallkindsofculturalgoods.ThemostfamousoneisthecommemorativesilvercoinissuedbyPerthMintinAustralia.OnthefrontistheheadofQueenElizabethII,andonthebackisakookaburrawithindependentbranches,Thiscommemorativecoinhasbeenissuedannuallysince1990.

Bodylength42-46cm,mouthlength8-10cm,weight500g,averagelifespan15years.Unlikemostotherspeciesofkingfisher,theyonlydependonfishingforaliving.Inadditiontofish,theyalsopreyonmice,frogs,lizards,crayfish,snailsandinsects.ThebiggestfeatureofKingfisheristhatitcanpreyonsnakesandotherreptilesmuchlargerthanitself.Itisfamousforitsabilitytocatchsnakes.Itsabilitytocatchsnakesisveryhigh.AnadultKingfishercaneasilykillrattlesnakes,snailsandinsectsLargesnakes,suchasthetaipansnake,alsoattacklargerlizardsingroups.

Theyarenotafraidofhumanbeings.Theyoftenliveindenselypopulatedareas,andtheyareboldandgreedy.Aftereatingthefoodpeoplegivethem,theywillhangonandstopatthesameplacetoGagaandgiggle.Whenthefeederwalksaway,theywillflywiththem.Theywillflyslowlyuntiltheyarefull.

Ithasawiderangeofdistribution,isnotclosetothecriticalvalueofspeciessurvival,andthepopulationtrendisstable.Itisevaluatedasaspecieswithoutsurvivalcrisis.

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