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《贸易客源国概况》课件——4-9-2 最大的鹿The Largest Deer.pptx

发布:2025-03-09约1.81千字共17页下载文档
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TheLargestDeerlecturer:GuoZhiwen

Mooseisthelargestdeerintheworld.MooseiscalledmooseinNorthAmericaandelkinEurope.

Weighing550kgand2meterstall,itistallerthanmostrhinocerosandisthelargestmemberofthedeerfamily.

Itstallbodyisverysimilartoacamel,itsfourlonglegsarealsosimilartoacamel,itsshouldersareparticularlyhigh,anditisalsolikethehumponthebackofacamel,soitgetsitsname.Thehaircolorofthewholebodyisbrown,andthecolorofsummerhairismuchdarkerthanthatofwinter.

Mooseisatypicalconiferousforestanimalinsubfrigidzone.Itmostlylivesintheflatandlow-lyingareasandswampsintheforest,neverfarawayfromtheforest,butitalsochangeswiththeseasons.

MaleMooseusuallylivealone,whilefemalemooseandfawnsliveingroups.Theyareforaginganddrinkingallday.Therearemorethan70kindsoffood,includinggrass,leaves,twigs,waterlilies,duckweedandotherplants.Theyeatalotofplants,about20kgeveryday.Likecattle,theyhavetoruminate.

Thisspeciesiswidelydistributed,mainlyinthenorthofEurasiaandNorthAmerica.Itisnotclosetothecriticalvalueofvulnerableandendangeredspecies,thepopulationtrendisstable,andEuropeanandAmericancountrieshaveformulatedrelevantlawstoprotectit,soitisevaluatedasaspecieswithoutsurvivalcrisis.

Unfortunately,inpartsofCanada,moosessurvivalisthreatened.Duetodisease,predatorsandclimatechange,itisdifficultformoosetosurviveinthefirstyear,andthenumberofmooseisgraduallydecreasing.Fortunately,althoughapartofmoosearekilledundergunsoronhighwayseveryyear,thereisstillalargenumberofmooseandthereisnodangerofextinction.

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