Kashi na tsohuwar kare da ya bayyana hanyar daga cikin mazaunan mazaunan farko na Amurka

Kashi na tsohuwar kare da ya bayyana hanyar daga cikin mazaunan mazaunan farko na Amurka

A gefen tekun Alaska, wani yanki na kare ya kusan shekara dubu 10. Nakhoodka ya zama tsofaffin shaidar kasancewar karnukan gida a Arewacin Amurka. Zai iya zama sabuwar hujja a cikin yarda da Halin Hijira na Hukumar ta faru daga arewa zuwa kudu, daga bankunan Bereri tare da gefen Tekun Pacific. Game da Nakhodka a cikin wani latsawa na jaridar New York a Buffalo.

Hypothis ya nuna cewa yankuna sun fi nesa da teku, baƙi sun motsa yawancin kudu, sannan suna zuwa gefen glacier, sannan a rufe sashin Cordiller. Na ki karfafa fasalin tare da shi cewa sake na makanta ya shiga cikin raunin da aka raunana sannan kuma zurfi cikin babban yankin, inda motsi ya fara tafiya. A cikin yarda da ƙaura na gabar teku, an gano yawancin sawun ƙafa, gami da ƙafafunsu sun bar kusan shekaru dubu 13 da suka gabata akan tsibirin Kallorg na yamma na Kanada.

© DOUGLAS Levere, Jami'ar a Buffalo

Yana tallafawa tunanin da sabon bincike, wanda aka ruwaito a cikin labarin da aka shirya don sakin kare B. Wannan yanki ne na farkon 2000s a kudu na Alaska, a kan Babban gabashin tsibirin na tarko. An sanya samfurin game da shekaru 10150 - ƙarshen lokacin ICE na ƙarshe. An yi imani da cewa gida na karnuka ya faru a Siberiya tun kafin a daidaita na Amurka kuma za su iya bayyana anan tare da baƙi na farko.

© Bob Shower, Jami'ar a Buffalo

Charlotte Lindqvist (Charlotte Lindqvist) da abokan aikin sun sami damar sequenate cikakken cikakkiyar da kuma gwada shi da karnukan wasu da tsoffin karnuka. Ta wannan hanyar, layin wannan dabbar da aka gano zuwa karnukan da suka rayu a Siberiya a lokacin glacier na ƙarshe. Koyaya, da alama wannan dabba ta juya ta kasance a cikin Amurka da kima kuma an samu kanta da kanta, ba tare da mutane ba.

A guda cacery love (kogon Lawer), inda aka samo kashi, sai suka gano mutum ya kasance, kodayake daga baya. Koyaya, a cewar masana kimiyya, wadannan dayan da kansu sun riga sun nuna cewa kogon da ke cikin waɗancan karar ya kasance da kwanciyar hankali don sasantawa. Bugu da kari, da sassan da suka gabata na mutane suna nan a cikin kogon da ke kusa. Don haka, ko da yake umarnin kai tsaye akan gaskiyar cewa wannan karen ya kasance gida, a'a, gabaɗaya ana iya gane shi da alama. Guda kai tsaye yana nuna yanayin rashin daidaituwa na samfurin. Yana shaidar rage cin abinci mai kyau a cikin kifi, naman kuliyoyin teku har ma da whales.

Source: Kimiyya mara kyau