问题标题:
【写一篇英语作文,有关丹顶鹤的生存情况的】
问题描述:
写一篇英语作文,有关丹顶鹤的生存情况的
刘忠祥回答:
TheRed-Crownedcrane(Grusjaponensis)hasoneofthemostbeautifuldancesinthebirdworld.Cranedanceshaveaveryimportantpurpose.Adultcranesliveinmale-femalepairs,andthesedanceshelpstrengthenthebondbetweenthetwobirds.
Thebirdsthemselvesareasstrikingastheirdance.Theyhavebrightwhitebodieswithblacknecksandwingfeathers.Astheirnameimplies,theyalsohavea"cap"ofexposedredskin.Bycontrollingbloodflowtothecap,thecranecancauseittoswellandcommunicateaggression.
TheRed-Crownedcraneisoneofthemostendangeredofthe15cranespecies.Thereareonlyabout1500ofthesebeautifulbirdsintheworld.Aswiththeothercranes,theirmainthreatishabitatdestruction.Peoplewanttodeveloptherichlandthatcranesneedtosurvive.Peoplecutthelonggrassesthatprotectthecranesandotheranimalsinthehabitats,andfishinthesamewatersasthecranes.
AlongtheAmurRiverandLakeKhanka,ChinaandRussiaarebeginningtocooperatetoprotecttheserarebirds.(Seemaponfacingpage.)TheAmurandKhankaareasliealongtheborderbetweenthetwocountriesandisthehabitatforsomeoftheRed-Crownedcranes.Theworktoprotectthesetwoareasisamodelforinternationalcooperationforconservation.Ifthesebirdsarelost,thepeopleofAsiawillhavelostanimportantsymbolofluckandpeace.
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