关于鹰的介绍的英语文章

Theeagleisa(generally)largesizedbirdofpreymeaningthattheeagleisoneofthemostdominantpredatorsinthesky.EaglesaremostcommonlyfoundintheNorthernHemisphereincludingEurope,AsiaandNorthAmerica.EaglesarealsofoundontheAfricancontinent.

Therearemorethan60differentspeciesofeagleintheworldwithonly2oftheseeaglespeciesbeingfoundintheUSAandCanada.However,oneoftheseeaglespeciesisoneofthemostcommonspeciesofeagle,thebaldeagle.Despiteit'snamethebaldeaglehasafullheadoffeathersbuttheirbrightwhitecolourmakesthebaldeagleverydistinguishable.ThegoldeneagleistheonlyotherspeciesofeaglefoundontheAmericancontinent.

Thesizeofaneagleisdependentonthespeciesofeagle.Eaglescanrangeinsizefrom40cmtoover1minheight.Thewingspanofaneagletendstobeatleastdoublethelengthoftheeagle'sbody.Eagleshavefeathersontheendsoftheirwingswhichtheeaglesmoveupanddowntohelpthemwhenflying.

Eaglesaredominantpredatorsandareknownasbirdsofprey.Eaglesfeedoffsmallerbirdsandbatsintheskyandsmallmammalsandfishontheground.Theeagleiswellknownforit'sincredibleeyesight.Aneagle'seyesightissogoodthataneaglecanapparentlyseeamouseonthegroundwhentheeagleisstillhighinthesky.

Theeagleisusedasasymbolinmanynationalflagsandemblemsallaroundtheworld,asaneagleisbelievedtoresemblepowerorgoodfortune.Eaglesaredominantandruthlesspredatorsintheirenvironmentandeaglesthereforehaveveryfewnaturalpredatorsthemselves.Eaglesaremostlikelytobehuntedbysmalleranimalswhentheyarechicksorstillyoungandinexperiencedsotheyarefairlyvulnerable.

Femaleeaglesbuildtheirnestsintalltreetopsoronhighcliffswheretheyareattheirsafest.Themothereagletendstolaytwoeggs,whichhatchafteraboutamonth.Inmanyeaglespecieshowever,oneoftheeaglechicksisnaturallyslightlystrongerthantheotherchick,withthestrongerchickgenerallykillingit'sweakersibling.

Eagleshaveadaptedwelltotheirdominantpredatorylifestyle.Notonlydoeagleshaveexceptionaleyesightandareabouttosoarremarkablyquicklythroughtheairforsuchalargebird,buteaglesalsohavepointedbeaksandagilefeetknownastalons.Thebeakoftheeagleisperfectlydesignedforrippingfleshawayfrombone,andthetalonsoftheeaglearesostrongthattheeagleisabletocarryit'spreyinit'sfeetuntilitreachesasafeplacetoeatit.

EagleFootFacts

Theeaglehasveryspeciallyadaptedlarge,clawedfeetwhichareknownastalons.

Thetalonsoftheeaglearepowerfulandstrongandallowtheeagletocatchpreyonthegroundorinwaterwhentheeagleisstillintheair.

Thetalonsoftheeaglearedesignedtocarrypreythroughtheairandtheyarestrongenoughtoholdontoafishwhichweighsmorethantheeagle.

Thefeetofaneaglehavefourstrongtoes,andattheendofthesetoesarelarge,curvedclawswhichenablestheeagletohookontoitsprey.

Thetalonsofababyeagleareveryshortwhencomparedtothetalonsofanadulteagle,andittakesafewyearsforthefeetofthebabyeagletobefullysized.

EagleTeethFacts

Eagleshaveverysharpandpointedbeakswhichtheeagleoftenusestograbpreywith.

Theeagleusesthesharplypointedbeaktobiteanimalsatthebaseoftheirskulltokillthembeforeswallowingthemwhole.

Thebeakofaneagleisextremelystrongandpowerful,althoughtheywillrarelycarrytheirpreyintheirbeakforlargedistances.

Thebeakofaneagleismadeoutofkeratinandthereforeisgrowingconstantly,muchlikethehairandfingernailsofahumanbeing.

Thebeakoftheeagleisalmostaslongastheheadofaneagleandtheeagleusesthehookedendofthebeaktoripapartpreythatthistoobigtoswallowwhole.