Giant sloth Megatherium: description

Miliyoyin shekaru da suka wuce sararin expanses na ƙasa ga dabba, da bayyanar da zamani mutumin iya wuya tunanin, saboda sun dade tun mutu fita, ya bar kawai ya rage, wanda masana kimiyya painstakingly mayar da su bayyanar da halaye. Da zarar a kore Kusch nahiyar Amirka yawonta giant sloths Megatherium. Giant-sized dabbobi dadin biyu giwaye succulent ganye tare da treetops. Giant sloth ya fitar da kore da sauƙi, zaune up a kan Hind kafafu. Modern dangi na wannan giant alama da za a kwatanta da shi da wani kankanin Jawo dunƙule rataye daga reshen itace.

Masu bincike sami da kuma binciken masana kimiyya

Domin da farko lokacin da giant ƙasa sloth saura aka gano da Spanish mulkin mallaka a 1789, a Argentina, kusa Buenos Aires. Asalin mutanen Patagonia zaton ƙasũsuwa ciki wata babbar mole. A cewar gida labari, da zarar ya samu daga ƙasa, kuma aka kashe hasken rana.

Halĩfa na Spanish mazauna na Marquis na Loreto nan da nan ya aiko da ƙasũsuwa zuwa Madrid. A cikin babban birnin kasar bincike "mole" da ya rage tsunduma masanin kimiyya Jose Garriga. Tuni a 1796 ya wallafa wani kimiyya takarda, inda ya bayyana tsohon dadaddun dabbobi.

Garriga idan aka kwatanta shi da giwa, saboda girman da Kudu American dabba bai yarda. Amma ya kafafu tare da babbar ƙafafun ƙara da mutum fiye da giwa, da kuma siffar kwanyar, kamar yadda ya nuna a cikin aikinsa masanin kimiyya, kama shugaban wata sloth.

Its m size na dabba da aka kira "Megatherium", wanda ke nufin "mai dabba". Saboda haka shi narok halittu Zhorzh Kyuve, neman a kwarangwal image, wanda ya aiko da Spain da Paris Academy of Sciences. Faransa masanin kimiyya, kazalika da Jose Garriga, koya a wani unknown dabba m na zamani sloth.

Janar tashin hankali a kusa da dadaddun dabba

Masu bincike sami da kuma binciken masana kimiyya ya zama wani abin mamaki a Turai. Sai girma Jamus mawãƙi I. V. Gote sadaukar da wata katuwar sloth dukan muqala. Gidajen tarihi, don samun kasusuwan sa, sun kasance a shirye ya ba su dukan shekara-shekara kasafin kudin. Sarkin Carlos IV of Spain bukaci kawo dabba don Madrid. Kuma da gwamnan bai damu ba ko shi ne matattu da rai, ko. Ya Naively yi imani da cewa New World, kamar yadda aka sa'an nan ya kira America, an har yanzu zaune Megatherium.

Tashin hankali a kusa da su ya kwanta daga barin har tsakiyar XIX karni, a lokacin da ya rage na dinosaur aka samu. A wannan lokaci a Patagonia ziyarci da yawa masu bincike. Bugu da kari da ƙasũsuwa na Megatherium an samu burbushi na shi a kan cike da laka bankuna na koguna, sabili da kashin dabbabin, ya rage daga cikin fata da kuma gashi a cikin kogwanni. Saboda da sanyi da kuma bushe sauyin yanayi na Patagonia zauna da kyau kiyaye, kyale masana binciken burbushin halittu na tsawon lokaci, ba kawai ka sake siffar tsoho dabbobi, amma kuma ya bayyana masa halaye da kuma rage cin abinci.

Bayyanar da wata katuwar sloth Megatherium

Giant sloth Megatherium ya kai wani tsawo na mita uku. Bugu da ƙari, dabba girma da aka ninka shi a lokacin da ya tashi a kan ta Hind kafafu. A gigantic dabba, yin la'akari hudu ton a cikin wannan matsayi da aka biyu har fiye da sau da giwa. Wannan shi ne jera saboda da tsawon na gangar jikin sloth, wanda shi ne shida mita.

Megatherium bargo, m gashi, kuma a karkashin abu ne mai m fata. Fata na wata katuwar sloth karfafa kananan kashi plaque. Wannan murfin aka sanya Megatherium kusan invulnerable. Murmure daga rauni ba ko aikata irin wannan hatsari dabba kamar saber-toothed damisar.

Giant sloth mallaki m tasa, mai iko kafafu lauje fika isa a tsawon 17 cm, da kuma rashin m wutsiya cewa kai ga ƙasa.

The dabba ta kai shi ne a cikin kananan size a kwatanta da m jiki, da kuma fuskarsa da wani elongated siffar.

Samun a kusa da giant sloths?

Megatherium ba hawa bishiya kamar ta zamani zuriya. More Charles Darwin, wanda karatu ya rage a cikin XVIII karni, ya ce wannan alama na dabba a cikin daya daga cikin ayyukansa. Ya sũranta m ra'ayin wanzuwar shuke-shuke da za su iya jure irin wannan giant.

A cikin binciken da ya rage da aka kawo daga Patagonia Darwin a Ingila, da kuma ya Farfesa Richard Owen. Shi ya nuna cewa Megatherium motsa a ƙasa. Lokacin da tafiya, da giant sloth kamar wani zamani Aardvark ba dõgara a kan dukan kafa, da kuma a kan ta gefe, don haka kamar yadda ba za a jingina zuwa ga ƙasa fika. Saboda wannan, ya aka motsi sannu a hankali da kuma kadan m.

Modern masana kimiyya da'awar cewa Megatherium iya tafiya a kan ta Hind kafafu. Saboda haka, biomechanical nazarin A. Casino a 1996, ya nuna cewa tsarin kasusuwan wata katuwar sloth yarda su matsa kawai a kan su. Duk da haka, wannan dabba tafiya a mike zuwa wannan rana ya zauna a husũma batun a duniyar kimiyya.

Features Power Megatherium

Megatherium bi edentates dabbobi masu shayarwa, kuma ku ciyar, yafi a kan ciyayi. A tsarin da babba muƙamuƙi nuna cewa dabba da dogon babba lebe m size, hali na herbivorous namun daji.

Giant ƙasa sloth tashe kansa a kan Hind kafafu, da rassan bishiyoyi janyo hankalin mata, m kashe succulent ganye da kuma matasa harbe, da kuma ci su. Ya fadi kwatangwalo, m da dugaduganmu, kuma m dogon wutsiya bauta masa goyon baya da kuma yarda, ba tare da kokarin, to idi a ganye. More kwanan nan, masana kimiyya sun natsu da cewa sloth keta ganye tare da taimakon wani unusually dogon harshe. Duk da haka, kwanan nan karatu sun nuna cewa tsarin da ya muƙamuƙi hana samuwar tsoka, wanda zai iya hana shi.

Bayan megatherium foliage bishiyoyi kuma ci asalinsu. Ya daukan su daga ƙasa ta yin amfani da dogon fika.

Iya Megatherium zama predator?

Megatherium mai yiwuwa iya zama partially carnivore. Scientist M. S. Bargo gudanar a 2001 da wani binciken na hakori na'ura na wata katuwar sloth. Ya nuna cewa ya ci ba kawai shuka, amma kuma cin nama. 'Yan asalin dabba hakora da triangular siffar da suke isasshe da kaifafan gefuna. Tare da su taimako, giant sloth ya iya ba kawai tauna ganye, amma kuma nama. Watakila ya sanya da dama a rage cin abinci, cin abinci, mũshe, zabi ganima daga yara, ko farauta kansa.

Megatherium da wani fairly short olecranon, saboda abin da ta gaban wata gabar jiki ya zama musamman agile. Similar siffofin su ne mafi yawa carnivorous dabbobi. Kamar wancan megatherium yana da isasshen wutar lantarki da kuma gudun su kai farmaki, misali, glyptodonts. Bugu da kari, sakamakon biomechanical bincike ya nuna cewa su dogon fika giant sloth iya sauƙi a iya amfani da a matsayin makami a fadace-fadace tare da sauran dabbobi. Duk da haka, masana kimiyya da dama sami ra'ayin wannan carnivorous dabba ne musamman m.

Hoton na zamanin d dabba rai

Ko da kuwa ko da Megatherium m, ko ba, bã ya da wani makiya. Yi tafiya a cikin gandun daji da kuma filayen da m dabba iya ba tsoron ga rayuwarsa, dare da rana.

Giant sloths, bisa ga masana kimiyya da dama, huddled a kananan kungiyoyin. Akwai wani m ra'ayi bisa ga abin da waɗannan dabbobi sun Kadaitaccen kuma zauna a kogwanni secluded kadai kuma namiji mutane ne dab da juna kawai a lokacin da ma'abota kuma tarbiyyar zuriyarsa.

Lokacin da Megatherium sun kuma inda suka rayu?

Kamar yadda aka nuna ta hanyar radiocarbon Dating na saura, yanzu dadaddun dabbobi masu shayarwa bayyana a Duniya game da shekaru miliyan biyu da suka wuce a lokacin da Pliocene. Da farko, giant sloths zaune makiyayar da kuma dazukan sassa na Kudancin Amirka. Daga baya, sun kasance iya daidaita da kuma yankunan da m sauyin yanayi. Animal kasũsuwa, ashe, masu bincike samu ba kawai a Argentina amma kuma a Bolivia, Chile da kuma Peru. Part Megatherium mai yiwuwa gudun hijira zuwa Arewacin Amirka. Wannan ne evidenced samu a nahiyar da ya rage daga wata katuwar sloth.

Zai yiwu Sanadin nau'i nau'i na zamanin d dabbobi

Wadannan burbushin dabbobi tsira har da Pleistocene kuma ya zama dadaddun game da 8,000 da suka wuce. Game da dalilin da ya sa shi ya faru, masana kimiyya har yanzu jayayya. Mutane da yawa imani da cewa dabbobi ba su iya matsawa canjin yanayi. Duk da haka, da cewa da Megatherium ga dubban shekaru nasarar saba da sabon yanayi, shaidar wani dalili na nau'i nau'i, wato bayyanar adam ɓangaren duniya, wanda ya mugunta halakar da shaggy Refayawa, nemi da fãtun jikinsu. Zai yiwu saboda kakanninmu na zamanin d Indians, kuma ya zama dadaddun Megatherium. Duk da haka, da kaifi karu a yawan jama'a da kuma da m bacewar jinsunan iya shafar biyu dalilai a lokaci daya.

Tatsũniyõyi ne na tsira Megatherium

Daga kimiyya da shawarwari za dauka da labari na cewa gigantic dabba, wanda ya rage ya taba samu da Spain suka yi binciken da New World, shi ne har yanzu da rai. Kamar yanci yeti, yana boyewa daga idanu na maza. Jita-jita da shi cewa giant sloths zaunar a gindin Andes a yau. Hakika, da version of cewa tsoho dadaddun dabba har yanzu ke tafiya da expanses of South America, unconvincing, amma wannan romantic ra'ayin murna da tunanin mutane, tilasta su nemi gardama hujja da kansa gaskiya.