问题标题：
【找一篇关于保护濒临动物的英语文章如题.100词左右.初二外研版水平的.最好是容易背下来的.】
问题描述：
找一篇关于保护濒临动物的英语文章
如题.100词左右.初二外研版水平的.最好是容易背下来的.
李泽海回答：
Manyanimalpopulationsfacingthreats
Aworldwidestudyhasfoundthatalmosttwenty-fivepercentofwildmammalsareindangerofpermanentlydisappearing.Scientificresearchersconsideredallknownmammalpopulations.Theresearcherssaypermanentdisappearancethreatensatleastonethousandonehundredforty-onespeciesorgroupsofanimals.Mammalsaretheclosestrelativestohumanbeings.
Theresearchersareblaminglossofhabitat,orlivingspace,andhuntingforthreatenedlandmammals.Theysaywatermammalssuffermorefrompollution,beinghitbyshipsandcaughtinfishingnets.
Onethousandsevenhundredexpertsworkedonthestudy.Theyarefromonehundredthirtycountries.TheirfindingswerereportedattheWorldConservationConferenceoftheInternationalUnionforConservationofNatureinBarcelona,Spain.
ThereportwaspresentedinconnectionwiththeRedListofThreatenedSpecies.TheWorldConservationConferenceannouncestheRedListeachyear.Thelistcontainsalmostfortyfivethousandanimalsandplants.Ofthose,almostseventeenthousand,oraboutthirtyeightpercent,arethreatenedwithextinction.
SomescientistssaythereportprovidesevidencethatEarth'swildlifeisgoingthroughwidespreadextinction.Thelastsuchperiodmayhavetakenplacemillionsofyearsago,whendinosaursbecameextinct.
JanSchipperledthewritingofthereport.HedirectstheI.U.C.N.'sprogramthatobservesanimalpopulationsworldwide.
MisterSchippersaysuptothirtysixpercentofmammalscouldbefacingextinction.Hesaysthisistruebecausenotmuchinformationexistsaboutsomespecies.Atleastseventy-sixmammalshavepermanentlydisappearedsincefifteenhundred.
ThedirectorgeneraloftheI.U.C.N.,JuliaMarton-Lefevre,sayshumanactivitycouldcauselossofhundredsofspecies.Shesaysthatisafrighteningsignofwhatishappeningtohabitats.Still,thereportsaidhumaneffortsalsocouldhelpsavesomespecies.MizMarton-Lefevreiscallingforactiontomakethathappen.
Forstudypurposes,theI.U.C.N.dividesanimalsintogroups.Thescientistscallanimalsthathavedisappeared,oralmostdisappeared,extinctornearlyextinct.Afrog-likecreaturecalledHoldridge'stoadwasdeclaredextinct.ItlivedonlyinCostaRica.
Otherdivisionsdependontheamountofthreattheanimalsface.Theanimalsinmostdangerareconsideredcriticallyendangered.
Forexample,theIberianlynxiscalledcriticallyendangered.Asfewaseighty-fouradultmembersofthelarge,cat-likeanimalsremainalive.
TheRedListidentifiesthesecondmostthreatenedanimalsasendangered.ThescientistsnamedaSoutheastAsiananimal,thefishingcat,asamongtheendangered.Partofthefishingcat'swetlandhabitatnolongerexists.
AnewstudysuggeststhelastwoollymammothsinSiberiawerenativetoNorthAmerica.ScientistshadbelievedthesemammothscamefromEuropeorAsia.
Thestudyinvolvedgeneticevidencefromtheremainsoftheancientanimal.WoollyMammothsshareanancestorwithmodern-dayelephants.Themammothisrecognizableforitslonghairandlargetusks.
Woollymammothsdisappearedthousandsofyearsago,afterEarth'smostrecenticeage.Butmammothswereabletosurviveforthousandsofyears.Duringthisperiod,theyslowlychangedtoliveinex
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