Moscow. 23 Kepakemapa. INTERFAX.RU - ʻO ka nānā ʻana o nā koena i loaʻa ma ka ʻākau o ka mokuʻāina o ʻAmelika ma ke kūloko o Colville River ʻae ʻia ka poʻe paleontologists e ʻike i ka mea i ʻike ʻia i kekahi ʻano o ka dinosaur i ʻike mua ʻia e ka ʻepekema, ua haʻi aku ka nūpepa Pelekane ʻo The Guardian ma ka Pōʻakolu.
I loko o kahi ʻatikala i paʻi ʻia ma ka Pōʻakolu i ka kolamu peka paleontological kolamu Acta Palaeontologica Polonica, ua ʻike ʻia nā mea ʻepekema mai ke Kulanui o Alaska a me ke Kulanui o Florida ʻo ia e pili ana i ka loaʻa ʻana o kekahi o nā ʻano ʻano hadrosaurs. ʻO kēia mau "dinosaurs duck" ua noho ʻia ma ke kūkulu ʻākau o Alaska. Hoʻolilo ʻē ʻia nā ʻano ʻano ʻē aʻe o nā koena o ka ʻohana like, ka mea i loaʻa ma mua ma Kanada a me kahi nui o ka USA.
Ua kapa aku ka poʻe noiʻi i kekahi ʻano hou, ʻo Ugrunaaluk kuukpikensis, aia ma ka ʻōlelo ʻo Inupiat, he poʻe e noho kokoke ana i ka mea i loaʻa, ʻo ia ka inoa ʻo "herbivore kahiko." ʻO kēia ka ha o ka dinosaur ʻano ʻehā i ʻike i ka ʻepekema, ʻo ia wale nō ka ʻākau o Alaska. ʻO ka hapa nui o nā ʻāpana he mau ʻōpio'ōpio a hiki i ka 2.7 mika a lōʻihi a he 90 kenimita ke kiʻekiʻe. I ka manawa like, hiki i nā hadrosaurs o kēia ʻano ulu ke ulu a hiki i 9 mau lōʻihi. ʻO nā haneli he haneli i loko o kā lākou waha e ʻae iā lākou e pipiʻi i nā meaʻai lāʻau paʻakikī. Neʻe neʻe lākou ma luna o nā manamana wāwae, akā inā pono, hiki iā lākou ke hoʻohana i nā ʻāpana āpau ʻehā. E like me ka ʻike ʻo Pat Druckenmiller o ke Kulanui o Alaska, "he pūʻulu o nā ʻōpiopio i kū koke a luku ʻia." I ka mua, ua hoʻopili ʻia nā koena i ka edmontosaurs, akā naʻe, ʻo ka hōʻike ʻana o ka ʻaoʻao mua i hōʻike mai ua ʻike nā kānakaʻepekema i kahi ʻano hou.
Wahi a The Guardian, ʻo kēia ʻike ka mea i makemake ʻia i ka ʻatikala e noho nei nā dinosaurs i noho ma kahi o 70 miliona mau makahiki i hala aku nei ma ka hope o ka Cretaceous hiki ke hoʻololi i nā haʻahaʻa haʻahaʻa. E like me Gregory Ericksen, he kumuhana ʻōlelo biology ma ke Kulanui o Florida, "ʻōlelo he ʻāina holoʻokoʻa ʻaʻole i manaʻo o mākou." Hiki i nā hadrosaur ʻĀkau ke noho no mau mahina i nā haʻahaʻa ma, a hiki paha i ke ʻano o ka hoʻoilo. Eia naʻe, e like me kā Eriksen i haʻi aku ai, "ʻaʻole kēia mau kūlana e noho ana i kēia lā i kēia lā ma Arctic hou. ʻO ke awelika o ka nui maʻamau o ka makahiki 5 i ka 9 kiʻekiʻe ma mua o Celsius."
Eia kekahi, hoʻolālā nā ʻepekema i ʻike pono pehea i ola ai nā hadrosaurs i kēia mau kūlana. Ma ke ʻano o ka curator o ka Hale Hōʻikeʻike o ʻAmelika Hui Pū ʻIa, ʻo Mark Norrell i ka The Guardian, ʻo ka ʻapanui loa, ʻo nā dinosaurs ʻākau ke alakaʻi i ke ola e like me ka musk ox modern a me nā kākela caribou. ʻAʻole hiki i nā kānaka o nā dinosaur ke hiki i ka neʻe lōʻihi, hōʻike ka paleontologist.
Loaʻa nā koena o kahi ʻano hou, e like me ka hapa nui o nā dinosaur fossil i Alaska i loaʻa i loko o ke kao bony o nā foss Liskomb, 480 km ma ke komohana hema o ke kūlanakauhale kokoke ʻo Fairbanks a me 160 km hema a ke Komikika Arctic. Kapa ʻia ka papa inoa ma hope o ka mea ʻepekema ʻo Robert Liskomb, nāna, i ka makahiki 1961, ke lawe nei ʻo ia i nā noiʻi no Shell, ua loaʻa i nā iwi mua ma Alaska. Eia naʻe, ua manaʻo ʻo ia e pili ana kēia mau iwi i nā mommals. ʻElua wale mau makahiki ma hope mai, ua ʻike ʻia kēia mau iwi me nā iwi dinosaur.