{"id":2540,"date":"2026-06-24T11:20:19","date_gmt":"2026-06-24T11:20:19","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=2540"},"modified":"2026-06-24T11:20:19","modified_gmt":"2026-06-24T11:20:19","slug":"siberian-dinosaurs-thriving-in-the-cold-and-the-mystery-of-their-extinction","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/vi\/science\/paleontology\/siberian-dinosaurs-thriving-in-the-cold-and-the-mystery-of-their-extinction\/","title":{"rendered":"Kh\u1ee7ng long Siberia: S\u1ed1ng trong b\u0103ng gi\u00e1 B\u1eafc C\u1ef1c v\u00e0 b\u00ed \u1ea9n tuy\u1ec7t ch\u1ee7ng"},"content":{"rendered":"

Nh\u1eefng ch\u00fa Kh\u1ee7ng long Siberia: Sinh s\u1ed1ng trong l\u1ea1nh gi\u00e1 v\u00e0 b\u00ed \u1ea9n v\u1ec1 s\u1ef1 tuy\u1ec7t ch\u1ee7ng c\u1ee7a ch\u00fang<\/h2>\n\n

H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng nh\u1eefng con kh\u1ee7ng long kh\u00f4ng ch\u1ec9 lang thang trong r\u1eebng nhi\u1ec7t \u0111\u1edbi v\u00e0 \u0111\u1ea7m l\u1ea7y, m\u00e0 c\u00f2n sinh s\u1ed1ng \u1edf c\u00e1c v\u0129 \u0111\u1ed9 b\u1eafc c\u1ef1c l\u1ea1nh l\u1ebdo. \u0110\u00f3 ch\u00ednh l\u00e0 nh\u1eefng g\u00ec m\u1ed9t nghi\u00ean c\u1ee9u m\u1edbi c\u00f4ng b\u1ed1 tr\u00ean t\u1ea1p ch\u00ed Naturwissenschaften<\/em> ti\u1ebft l\u1ed9\u2014kh\u1ee7ng long \u0111\u00e3 ph\u00e1t tri\u1ec3n m\u1ea1nh m\u1ebd trong V\u00f2ng B\u1eafc C\u1ef1c cho t\u1edbi khi ch\u00fang tuy\u1ec7t ch\u1ee7ng c\u00e1ch \u0111\u00e2y 65 tri\u1ec7u n\u0103m.<\/p>\n\n

Kh\u1ee7ng long C\u1ef1c B\u1eafc: M\u1ed9t ph\u00e1t hi\u1ec7n b\u1ea5t ng\u1edd<\/h3>\n\n

Tr\u01b0\u1edbc \u0111\u00e2y, c\u00e1c nh\u00e0 khoa h\u1ecdc ch\u1ec9 t\u1eadp trung v\u00e0o kh\u1ee7ng long c\u1ef1c B\u1eafc \u1edf Alaska v\u00e0 Nam C\u1ef1c. Gi\u1edd \u0111\u00e2y, c\u00e1c nh\u00e0 c\u1ed5 sinh v\u1eadt \u0111\u00e3 khai qu\u1eadt \u0111\u01b0\u1ee3c m\u1ed9t t\u1eadp h\u1ee3p h\u00f3a th\u1ea1ch t\u1ea1i Kakanaut \u1edf \u0111\u00f4ng b\u1eafc Nga, c\u00f3 ni\u00ean \u0111\u1ea1i v\u00e0o cu\u1ed1i k\u1ef7 Ph\u1ea5n tr\u1eafng. Khu v\u1ef1c n\u00e0y, n\u1eb1m trong V\u00f2ng B\u1eafc C\u1ef1c, \u0111\u00e3 t\u1eebng l\u1ea1nh \u0111\u1ebfn m\u1ee9c kh\u00f4ng c\u00f3 nh\u1eefng lo\u00e0i b\u00f2 s\u00e1t v\u00e0 l\u01b0\u1ee1ng c\u01b0 nh\u1ecf.<\/p>\n\n

Th\u00edch nghi v\u1edbi l\u1ea1nh gi\u00e1<\/h3>\n\n

B\u1ea5t ch\u1ea5p nh\u1eefng \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t, kh\u1ee7ng long kh\u00f4ng ch\u1ec9 t\u1ed3n t\u1ea1i m\u00e0 c\u00f2n d\u01b0\u1eddng nh\u01b0 ph\u00e1t tri\u1ec3n m\u1ea1nh m\u1ebd trong m\u00f4i tr\u01b0\u1eddng b\u0103ng gi\u00e1 n\u00e0y. Ch\u00fang bao g\u1ed3m c\u1ea3 th\u1ef1c v\u1eadt \u0103n v\u00e0 th\u00fa \u0103n v\u1edbi c\u00e1c k\u00edch th\u01b0\u1edbc \u0111a d\u1ea1ng, nh\u01b0 hadrosaur, kh\u1ee7ng long c\u00f3 s\u1eebng, ankylosaur, tyrannosaur v\u00e0 dromeosaur. Ph\u00e1t hi\u1ec7n n\u00e0y th\u00e1ch th\u1ee9c quan ni\u1ec7m r\u1eb1ng kh\u1ee7ng long l\u00e0 nh\u1eefng sinh v\u1eadt m\u00e1u l\u1ea1nh.<\/p>\n\n

V\u1ecf tr\u1ee9ng kh\u1ee7ng long: B\u1eb1ng ch\u1ee9ng v\u1ec1 vi\u1ec7c c\u01b0 tr\u00fa quanh n\u0103m<\/h3>\n\n

\u0110i\u1ec1u b\u1ea5t ng\u1edd nh\u1ea5t t\u1ea1i Kakanaut l\u00e0 nh\u1eefng m\u1ea3nh v\u1ee1 v\u1ecf tr\u1ee9ng kh\u1ee7ng long. \u0110i\u1ec1u n\u00e0y cho th\u1ea5y \u00edt nh\u1ea5t m\u1ed9t s\u1ed1 kh\u1ee7ng long \u0111\u00e3 sinh s\u1ea3n \u1edf m\u00f4i tr\u01b0\u1eddng n\u00e0y, ng\u1ee5 \u00fd ch\u00fang \u1edf l\u1ea1i \u0111\u00f3 trong th\u1eddi gian d\u00e0i. M\u1ed9t s\u1ed1 c\u00f3 th\u1ec3 \u0111\u00e3 \u1edf l\u1ea1i su\u1ed1t c\u1ea3 n\u0103m, \u0111\u1eb7c bi\u1ec7t n\u1ebfu con non c\u1ea7n s\u1ef1 ch\u0103m s\u00f3c c\u1ee7a cha m\u1eb9.<\/p>\n\n

\u00dd ngh\u0129a \u0111\u1ed1i v\u1edbi s\u1ef1 tuy\u1ec7t ch\u1ee7ng c\u1ee7a kh\u1ee7ng long<\/h3>\n\n

S\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a c\u00e1c lo\u00e0i kh\u1ee7ng long \u0111a d\u1ea1ng trong V\u00f2ng B\u1eafc C\u1ef1c v\u00e0o cu\u1ed1i k\u1ef7 Ph\u1ea5n tr\u1eafng c\u00f3 \u00fd ngh\u0129a quan tr\u1ecdng \u0111\u1ed1i v\u1edbi vi\u1ec7c hi\u1ec3u nguy\u00ean nh\u00e2n tuy\u1ec7t ch\u1ee7ng c\u1ee7a ch\u00fang. N\u1ebfu kh\u1ee7ng long c\u00f3 kh\u1ea3 n\u0103ng th\u00edch nghi \u0111\u1ebfn v\u1eady, kh\u1ea3 n\u0103ng cao s\u1ef1 tuy\u1ec7t ch\u1ee7ng to\u00e0n c\u1ea7u c\u1ee7a ch\u00fang kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh d\u1ea7n d\u1ea7n.<\/p>\n\n

M\u1eb7t kh\u00e1c, ng\u01b0\u1eddi ta \u0111\u00e3 \u0111\u1ec1 xu\u1ea5t r\u1eb1ng m\u1ed9t v\u1ee5 va ch\u1ea1m thi\u00ean th\u1ea1ch c\u00f3 th\u1ec3 \u0111\u00e3 g\u00e2y ra nhi\u1ec7t \u0111\u1ed9 to\u00e0n c\u1ea7u gi\u1ea3m xu\u1ed1ng, cu\u1ed1i c\u00f9ng gi\u1ebft ch\u1ebft kh\u1ee7ng long. Tuy nhi\u00ean, vi\u1ec7c t\u1ed3n t\u1ea1i nhi\u1ec1u kh\u1ee7ng long c\u1ef1c B\u1eafc cho th\u1ea5y m\u1ed9t s\u1ed1 lo\u00e0i c\u00f3 kh\u1ea3 n\u0103ng sinh t\u1ed3n \u1edf c\u00e1c v\u00f9ng l\u1ea1nh. Do \u0111\u00f3, ch\u1ec9 gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 kh\u00f4ng th\u1ec3 gi\u1ea3i th\u00edch ho\u00e0n to\u00e0n s\u1ef1 bi\u1ebfn m\u1ea5t c\u1ee7a ch\u00fang.<\/p>\n\n

B\u00ed \u1ea9n tuy\u1ec7t ch\u1ee7ng v\u1eabn ti\u1ebfp t\u1ee5c<\/h3>\n\n

S\u1ef1 tuy\u1ec7t ch\u1ee7ng c\u1ee7a kh\u1ee7ng long v\u1eabn l\u00e0 m\u1ed9t trong nh\u1eefng b\u00ed \u1ea9n khoa h\u1ecdc h\u1ea5p d\u1eabn nh\u1ea5t. Khu kh\u1ea3o c\u1ed5 Kakanaut cung c\u1ea5p nh\u1eefng manh m\u1ed1i qu\u00fd gi\u00e1 nh\u01b0ng \u0111\u1ed3ng th\u1eddi c\u0169ng \u0111\u1eb7t ra nh\u1eefng c\u00e2u h\u1ecfi m\u1edbi. C\u1ea7n c\u00f3 th\u00eam nghi\u00ean c\u1ee9u \u0111\u1ec3 gi\u1ea3i m\u00e3 nh\u1eefng y\u1ebfu t\u1ed1 ph\u1ee9c t\u1ea1p \u0111\u00e3 d\u1eabn \u0111\u1ebfn s\u1ef1 di\u1ec7t vong c\u1ee7a nh\u1eefng sinh v\u1eadt c\u1ed5 \u0111\u1ea1i n\u00e0y.<\/p>\n\n

Kh\u1ee7ng long C\u1ef1c B\u1eafc di c\u01b0 hay s\u1ed1ng quanh n\u0103m?<\/h3>\n\n

Vi\u1ec7c ph\u00e1t hi\u1ec7n v\u1ecf tr\u1ee9ng kh\u1ee7ng long t\u1ea1i Kakanaut g\u1ee3i \u00fd r\u1eb1ng \u00edt nh\u1ea5t m\u1ed9t s\u1ed1 kh\u1ee7ng long c\u01b0 tr\u00fa quanh n\u0103m trong V\u00f2ng B\u1eafc C\u1ef1c. Tuy nhi\u00ean, c\u0169ng c\u00f3 kh\u1ea3 n\u0103ng m\u1ed9t s\u1ed1 lo\u00e0i di chuy\u1ec3n t\u1edbi khu v\u1ef1c n\u00e0y theo m\u00f9a. C\u1ea7n c\u00f3 th\u00eam b\u1eb1ng ch\u1ee9ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh m\u1ee9c \u0111\u1ed9 di c\u01b0 c\u1ee7a kh\u1ee7ng long \u1edf c\u00e1c v\u00f9ng c\u1ef1c.<\/p>\n\n

Nhi\u1ec7t \u0111\u1ed9 gi\u1ea3m xu\u1ed1ng \u1ea3nh h\u01b0\u1edfng nh\u01b0 th\u1ebf n\u00e0o t\u1edbi s\u1ef1 tuy\u1ec7t ch\u1ee7ng c\u1ee7a kh\u1ee7ng long?<\/h3>\n\n

M\u1eb7c d\u00f9 gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 c\u00f3 th\u1ec3 kh\u00f4ng ph\u1ea3i l\u00e0 nguy\u00ean nh\u00e2n duy nh\u1ea5t g\u00e2y ra s\u1ef1 tuy\u1ec7t ch\u1ee7ng c\u1ee7a kh\u1ee7ng long, nh\u01b0ng ch\u00fang ch\u1eafc ch\u1eafn \u0111\u00e3 \u0111\u00f3ng m\u1ed9t vai tr\u00f2. Khu Kakanaut cho th\u1ea5y m\u1ed9t s\u1ed1 kh\u1ee7ng long c\u00f3 kh\u1ea3 n\u0103ng th\u00edch nghi v\u1edbi \u0111i\u1ec1u ki\u1ec7n l\u1ea1nh. Tuy nhi\u00ean, t\u00e1c \u0111\u1ed9ng c\u1ee7a m\u1ed9t s\u1ef1 ki\u1ec7n l\u1ea1nh to\u00e0n c\u1ea7u \u0111\u1ed1i v\u1edbi qu\u1ea7n th\u1ec3 kh\u1ee7ng long tr\u00ean kh\u1eafp th\u1ebf gi\u1edbi v\u1eabn l\u00e0 \u0111\u1ec1 t\u00e0i nghi\u00ean c\u1ee9u \u0111ang di\u1ec5n ra.<\/p>\n\n

M\u1ed1i li\u00ean h\u1ec7 gi\u1eefa s\u1ef1 tuy\u1ec7t ch\u1ee7ng c\u1ee7a kh\u1ee7ng long v\u00e0 va ch\u1ea1m thi\u00ean th\u1ea1ch<\/h3>\n\n

L\u00fd thuy\u1ebft cho r\u1eb1ng m\u1ed9t v\u1ee5 va ch\u1ea1m thi\u00ean th\u1ea1ch \u0111\u00e3 g\u00e2y ra s\u1ef1 tuy\u1ec7t ch\u1ee7ng c\u1ee7a kh\u1ee7ng long v\u1eabn \u0111ang \u0111\u01b0\u1ee3c tranh lu\u1eadn. S\u1ef1 t\u1ed3n t\u1ea1i c\u1ee7a c\u00e1c kh\u1ee7ng long c\u1ef1c B\u1eafc \u0111\u1eb7t ra nh\u1eefng c\u00e2u h\u1ecfi v\u1ec1 \u1ea3nh h\u01b0\u1edfng c\u1ee7a v\u1ee5 va ch\u1ea1m \u0111\u1ed1i v\u1edbi c\u00e1c lo\u00e0i kh\u1ee7ng long kh\u00e1c nhau. C\u1ea7n c\u00f3 th\u00eam nghi\u00ean c\u1ee9u \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh m\u1ed1i quan h\u1ec7 ch\u00ednh x\u00e1c gi\u1eefa v\u1ee5 va ch\u1ea1m thi\u00ean th\u1ea1ch v\u00e0 s\u1ef1 tuy\u1ec7t ch\u1ee7ng c\u1ee7a nh\u1eefng sinh v\u1eadt kh\u1ed5ng l\u1ed3 c\u1ed5 x\u01b0a n\u00e0y.<\/p>","protected":false},"excerpt":{"rendered":"

Nh\u1eefng ch\u00fa Kh\u1ee7ng long Siberia: Sinh s\u1ed1ng trong l\u1ea1nh gi\u00e1 v\u00e0 b\u00ed \u1ea9n v\u1ec1 s\u1ef1 tuy\u1ec7t ch\u1ee7ng c\u1ee7a ch\u00fang H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng nh\u1eefng con kh\u1ee7ng long kh\u00f4ng ch\u1ec9 lang thang…<\/p>\n","protected":false},"author":2,"featured_media":25500,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[138],"tags":[5123,5124,5121,5120,5122],"class_list":["post-2540","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-paleontology","tag-arctic-life","tag-cold-adapted-animals","tag-polar-dinosaurs","tag-siberian-dinosaurs","tag-dinosaur-extinction"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/2540","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/comments?post=2540"}],"version-history":[{"count":2,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/2540\/revisions"}],"predecessor-version":[{"id":25501,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/2540\/revisions\/25501"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media\/25500"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media?parent=2540"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/categories?post=2540"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/tags?post=2540"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}