问题补充说明：英语,简单些的
SiberianTiger(东北虎)
TheSiberiantiger来自(alsoknownastheAmur,Korean,Manchurian,orNorthChinatig360问答er)isthelargestandmostpowerfulsubspeciesofnaturallyoccurringfeline.TheSiberiantigeri放标salmosttotallyconfinedtoaveryrestrictedpartofeasternRuss陈别曾孩调扩口策ia,theAmur-Ussurireg往笔兴ionofPrimoryeandKhabarovsk,alocationitshareswiththeSiberianleopard罗完京,wherethe非滑继读目曲罗yarenowbeingactivel角载赵未部歌留那妈刘yprotected.About10%ofSiberiantigerpopulationsresideinChina.
ThetigerpopulationintheSikhote-Alinwas250in1992,increasingto350asof2004,despitesignificantlossesofcubsduetocaraccidentsonthesingleroadthatcrossestheirter紧接基反斯宗李ritory.Illegalpoachinghasbeenbroughtundercontrolthankstofrequentroadinspections.Itisrumouredthattherearestillaround20ofthesetigersintheMountChangbaiareaofChina.
Asthetotalpopulationofthese如福集极书布tigersfell叫承新要十攻兵易to150inthewild,manysubpopulationsareposs支苦担径控电极iblynotgeneticallyviable,subjecttopotentiallycatastrophicinbreeding.However,Russianconservationeffortshaveledtoarevivalo阻斯脸fthesubspecies,andthenumberofi蒸ndividualsinthePrimorskyregionofRussiahasrisenfrom450to音需带治革500inthep视敌写astdecade,indicatingpositivegrowth.
TheSiberiant互式七尽病树式征志世西igercanweighas压名社令题muchas700lb(318kg)ormore.Inyearspast,scientistsbelievedthatthesecatscouldweighupt庆选怕唱o800lb(350kg),butthatearlierrange,whichwasbasedlargelyontheestimatesofhunters,isnotnowgenerallyaccepted.Apartfromthesize,Siberiantigersaredifferentiatedfromothertigersbytheirpalerfuranddarkbrown,ratherthanblack,stripes.Adepthunters,theypreyprimarilyonreddeer,wildboar,roedeer,sikadeer,andgoral,agoatlikeanimal,butwillalsotakesmallerpreylikehares,rabbits,andsalmon.TheyhavesometimesevenbeenknowntokillandeatsmallAsiaticblackbears.Sinceitisestimatedthat85%ofaSiberiantiger'sdietiscomposedofreddeerandwildboar,protectingtheseandotherpreyanimalsfromillegalhuntingmaybejustasimportanttothetiger'ssurvivalaspreventingdirectkillingofthebigcats.
SiberiantigerssometimescrossbreedswithBengaltigers.AwhiteSiberiantigerisusuallytheresultofsuchcrossbreedinganditisunsurewhetherpurewhiteSiberiantigersexist.
ASiberiantigernamedHodoriwaschosentorepresentthe1988SummerOlympicsheldinSeoul,SouthKorea.
Siberiantigersincaptivity
ThecaptivepopulationofSiberiantigerscomprisesseveralhundredspecimens.AmajorityofthesetigersarefoundinEurope,NorthAmericaandJapan,buttherearealsoafewspecimenslivinginAsianzoos.TheSiberiantigerisbredwithintheSpeciesSurvivalPlan(SSB),aprojectbasedon83wildcaughttigers.Accordingtomostexperts,thispopulationislargeenoughtostaystableandgeneticallyhealthy.Today,approximately160SiberiantigersparticipateintheSSP,whichmakesitthemostextensivelybredtigersubspecieswithintheprogram.Therearecurrentlynomorethanaround255tigersinthetigerSSPfromthreedifferentsubspecies.Developedin1982,theSpeciesSurvivalPlanfortheSiberiantigeristhelongestrunningprogramforatigersubspecies.IthasbeenveryfortunateandproductiveandthebreedingprogramfortheSiberiantigerhasactuallybeenusedasagoodexamplewhennewprogramshavebeendesignedtosaveotheranimalspeciesfromextinction.
TheSiberiantigerisnotverydifficulttobreedincaptivity,butthepossibilitytoreleasecaptivebredspecimensintothewildissmall.Conservationaleffortsthatsecurethewildpopulationarethereforestillofimperativeimportance.IfacaptivebredSiberiantigerweretobereleasedintothewild,itwouldlackthenecessaryhuntingskillsandstarvetodeath.CaptivebreedtigerscanalsoapproachhumansandvillagessincetheyhavelearnedtoassociatehumanswithfeedingandlackthenaturalshynessofthewildSiberiantigers.Inaworstcasescenario,thestarvingtigerscouldevenbecomeman-eaters.Sincetigersmustbetaughthowtohuntbytheirmotherswhentheyarestillcubs,aprogramthataimedtoreleasecaptivebredSiberiantigersintothewildwouldfacegreatdifficulties.
标签：东北虎,介绍
