{"id":12409,"date":"2024-09-29T06:13:12","date_gmt":"2024-09-29T06:13:12","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=12409"},"modified":"2024-09-29T06:13:12","modified_gmt":"2024-09-29T06:13:12","slug":"toothed-birds-lost-chapter-dinosaur-history","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/vi\/science\/paleontology\/toothed-birds-lost-chapter-dinosaur-history\/","title":{"rendered":"Chim c\u00f3 r\u0103ng: Ch\u01b0\u01a1ng b\u1ecb l\u00e3ng qu\u00ean trong l\u1ecbch s\u1eed kh\u1ee7ng long"},"content":{"rendered":"

Chim c\u00f3 r\u0103ng: M\u1ed9t ch\u01b0\u01a1ng b\u1ecb l\u00e3ng qu\u00ean trong l\u1ecbch s\u1eed kh\u1ee7ng long<\/h2>\n\n

S\u1ef1 tr\u1ed7i d\u1eady c\u1ee7a chim c\u00f3 r\u0103ng<\/h2>\n\n

Trong k\u1ef7 Trung sinh, th\u1eddi k\u1ef3 m\u00e0 kh\u1ee7ng long th\u1ed1ng tr\u1ecb Tr\u00e1i \u0111\u1ea5t, \u0111\u00e3 t\u1eebng t\u1ed3n t\u1ea1i m\u1ed9t nh\u00f3m chim h\u1ea5p d\u1eabn s\u1edf h\u1eefu r\u0103ng. Nh\u1eefng lo\u00e0i chim c\u00f3 r\u0103ng n\u00e0y, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 Enantiornithes, l\u00e0 m\u1ed9t nh\u00f3m \u0111a d\u1ea1ng v\u00e0 th\u00e0nh c\u00f4ng \u0111\u00e3 ph\u00e1t tri\u1ec3n trong h\u00e0ng tri\u1ec7u n\u0103m.<\/p>\n\n

Kh\u00f4ng gi\u1ed1ng nh\u01b0 c\u00e1c lo\u00e0i chim hi\u1ec7n \u0111\u1ea1i kh\u00f4ng c\u00f3 r\u0103ng v\u00e0 c\u00f3 m\u1ecf, Enantiornithes c\u00f3 nh\u1eefng chi\u1ebfc r\u0103ng nh\u1ecf, gi\u1ed1ng nh\u01b0 ch\u1ed1t, \u0111\u01b0\u1ee3c che khu\u1ea5t b\u1edfi m\u00f4i. Ch\u00fang c\u0169ng thi\u1ebfu kh\u1ea3 n\u0103ng v\u1eadn \u0111\u1ed9ng s\u1ecd, t\u1ee9c l\u00e0 kh\u1ea3 n\u0103ng u\u1ed1n cong m\u1ecf so v\u1edbi ph\u1ea7n c\u00f2n l\u1ea1i c\u1ee7a h\u1ed9p s\u1ecd. M\u1eb7c d\u00f9 c\u00f3 nh\u1eefng \u0111i\u1ec3m kh\u00e1c bi\u1ec7t n\u00e0y, nh\u01b0ng Enantiornithes l\u1ea1i c\u00f3 ngo\u1ea1i h\u00ecnh v\u00e0 h\u00e0nh vi gi\u1ed1ng chim m\u1ed9t c\u00e1ch \u0111\u00e1ng kinh ng\u1ea1c.<\/p>\n\n

Kh\u00e1m ph\u00e1 h\u1ed3 s\u01a1 v\u1ec1 chim \u1edf k\u1ef7 Trung sinh<\/h2>\n\n

C\u00e1c nh\u00e0 c\u1ed5 sinh v\u1eadt h\u1ecdc \u0111\u00e3 ph\u00e1t hi\u1ec7n ra r\u1ea5t nhi\u1ec1u h\u00f3a th\u1ea1ch cung c\u1ea5p th\u00f4ng tin v\u1ec1 cu\u1ed9c s\u1ed1ng c\u1ee7a c\u00e1c lo\u00e0i chim \u1edf k\u1ef7 Trung sinh. C\u00e1c b\u1ed9 x\u01b0\u01a1ng ho\u00e0n ch\u1ec9nh, c\u00e1c b\u1ed9 ph\u1eadn c\u1ee7a chim \u0111\u01b0\u1ee3c b\u1ea3o qu\u1ea3n trong h\u1ed5 ph\u00e1ch v\u00e0 c\u00e1c k\u1ef9 thu\u1eadt m\u1edbi \u0111\u1ec3 so s\u00e1nh c\u00e1c lo\u00e0i chim \u0111\u00e3 tuy\u1ec7t ch\u1ee7ng v\u1edbi c\u00e1c lo\u00e0i chim c\u00f2n s\u1ed1ng \u0111\u00e3 gi\u00fap c\u00e1c nh\u00e0 khoa h\u1ecdc t\u00e1i t\u1ea1o l\u1ecbch s\u1eed ti\u1ebfn h\u00f3a c\u1ee7a c\u00e1c lo\u00e0i chim c\u00f3 r\u0103ng.<\/p>\n\n

M\u1ed9t trong nh\u1eefng lo\u00e0i chim c\u00f3 r\u0103ng mang t\u00ednh bi\u1ec3u t\u01b0\u1ee3ng nh\u1ea5t l\u00e0 Hesperornis, m\u1ed9t lo\u00e0i chim n\u01b0\u1edbc kh\u00f4ng bi\u1ebft bay s\u1ed1ng \u1edf c\u00e1c v\u00f9ng bi\u1ec3n \u1ea5m, n\u00f4ng. Hesperornis c\u00f3 th\u00e2n h\u00ecnh d\u00e0i, m\u1ea3nh mai v\u00e0 \u0111\u00f4i ch\u00e2n sau kh\u1ecfe m\u1ea1nh m\u00e0 n\u00f3 s\u1eed d\u1ee5ng \u0111\u1ec3 b\u01a1i trong n\u01b0\u1edbc. Nh\u1eefng chi\u1ebfc r\u0103ng nh\u1ecf c\u1ee7a n\u00f3 th\u00edch nghi \u0111\u1ec3 b\u1eaft c\u00e1 v\u00e0 c\u00e1c lo\u00e0i \u0111\u1ed9ng v\u1eadt bi\u1ec3n kh\u00e1c.<\/p>\n\n

Tuy\u1ec7t ch\u1ee7ng c\u1ee7a chim c\u00f3 r\u0103ng<\/h2>\n\n

M\u1eb7c d\u00f9 r\u1ea5t th\u00e0nh c\u00f4ng trong k\u1ef7 Trung sinh, nh\u01b0ng chim c\u00f3 r\u0103ng \u0111\u00e3 kh\u00f4ng th\u1ec3 s\u1ed1ng s\u00f3t sau v\u1ee5 va ch\u1ea1m c\u1ee7a ti\u1ec3u h\u00e0nh tinh \u0111\u00e3 qu\u00e9t s\u1ea1ch kh\u1ee7ng long 66 tri\u1ec7u n\u0103m tr\u01b0\u1edbc. Trong khi c\u00e1c lo\u00e0i chim m\u1ecf, v\u1edbi kh\u1ea3 n\u0103ng th\u00edch nghi \u0111\u1ec3 \u0103n h\u1ea1t v\u00e0 c\u00e1c lo\u1ea1i th\u1ee9c \u0103n th\u1ef1c v\u1eadt kh\u00e1c, c\u00f3 th\u1ec3 s\u1ed1ng s\u00f3t sau m\u00f4i tr\u01b0\u1eddng sau va ch\u1ea1m, th\u00ec c\u00e1c lo\u00e0i chim c\u00f3 r\u0103ng, v\u1ed1n ph\u1ee5 thu\u1ed9c v\u00e0o ch\u1ebf \u0111\u1ed9 \u0103n d\u1ef1a tr\u00ean \u0111\u1ed9ng v\u1eadt, \u0111\u00e3 ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi t\u00ecnh tr\u1ea1ng thi\u1ebfu h\u1ee5t th\u1ee9c \u0103n nghi\u00eam tr\u1ecdng.<\/p>\n\n

\u00dd ngh\u0129a c\u1ee7a chim c\u00f3 r\u0103ng<\/h2>\n\n

Vi\u1ec7c nghi\u00ean c\u1ee9u chim c\u00f3 r\u0103ng \u0111\u00e3 l\u00e0m s\u00e1ng t\u1ecf qu\u00e1 tr\u00ecnh ti\u1ebfn h\u00f3a c\u1ee7a chim v\u00e0 s\u1ef1 \u0111a d\u1ea1ng c\u1ee7a s\u1ef1 s\u1ed1ng trong k\u1ef7 Trung sinh. B\u1eb1ng c\u00e1ch hi\u1ec3u \u0111\u01b0\u1ee3c nh\u1eefng th\u00e1ch th\u1ee9c m\u00e0 chim c\u00f3 r\u0103ng ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u00e0 l\u00fd do khi\u1ebfn ch\u00fang tuy\u1ec7t ch\u1ee7ng, c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 c\u00f3 \u0111\u01b0\u1ee3c s\u1ef1 \u0111\u00e1nh gi\u00e1 s\u00e2u s\u1eafc h\u01a1n v\u1ec1 b\u1ea3n ch\u1ea5t ph\u1ee9c t\u1ea1p v\u00e0 n\u0103ng \u0111\u1ed9ng c\u1ee7a l\u1ecbch s\u1eed Tr\u00e1i \u0111\u1ea5t.<\/p>\n\n

C\u00e1i nh\u00ecn s\u00e2u s\u1eafc v\u1ec1 h\u1ec7 sinh th\u00e1i k\u1ef7 Trung sinh<\/h2>\n\n

S\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a chim c\u00f3 r\u0103ng trong h\u1ec7 sinh th\u00e1i k\u1ef7 Trung sinh cung c\u1ea5p th\u00f4ng tin c\u00f3 gi\u00e1 tr\u1ecb v\u1ec1 c\u00e1c chu\u1ed7i th\u1ee9c \u0103n v\u00e0 t\u01b0\u01a1ng t\u00e1c sinh th\u00e1i c\u1ee7a th\u1eddi k\u1ef3 \u0111\u00f3. Ch\u1ebf \u0111\u1ed9 \u0103n \u0111a d\u1ea1ng c\u1ee7a ch\u00fang, t\u1eeb c\u00f4n tr\u00f9ng \u0111\u1ebfn c\u00e1 v\u00e0 c\u00e1c lo\u00e0i b\u00f2 s\u00e1t nh\u1ecf, cho th\u1ea5y s\u1ef1 ph\u1ee9c t\u1ea1p c\u1ee7a m\u1ea1ng l\u01b0\u1edbi th\u1ee9c \u0103n \u1edf k\u1ef7 Trung sinh.<\/p>\n\n

T\u1ea7m quan tr\u1ecdng c\u1ee7a h\u00f3a th\u1ea1ch<\/h2>\n\n

H\u00f3a th\u1ea1ch \u0111\u00f3ng m\u1ed9t vai tr\u00f2 r\u1ea5t quan tr\u1ecdng trong vi\u1ec7c hi\u1ec3u \u0111\u01b0\u1ee3c l\u1ecbch s\u1eed s\u1ef1 s\u1ed1ng tr\u00ean Tr\u00e1i \u0111\u1ea5t. Vi\u1ec7c ph\u00e1t hi\u1ec7n ra h\u00f3a th\u1ea1ch chim c\u00f3 r\u0103ng \u0111\u00e3 cho ph\u00e9p c\u00e1c nh\u00e0 c\u1ed5 sinh v\u1eadt h\u1ecdc t\u00e1i t\u1ea1o l\u1ea1i c\u1ea5u tr\u00fac gi\u1ea3i ph\u1eabu, h\u00e0nh vi v\u00e0 vai tr\u00f2 sinh th\u00e1i c\u1ee7a nh\u1eefng lo\u00e0i sinh v\u1eadt \u0111\u00e3 tuy\u1ec7t ch\u1ee7ng n\u00e0y. Nh\u1eefng h\u00f3a th\u1ea1ch n\u00e0y cung c\u1ea5p m\u1ed9t m\u1ed1i li\u00ean h\u1ec7 h\u1eefu h\u00ecnh v\u1edbi qu\u00e1 kh\u1ee9 v\u00e0 gi\u00fap ch\u00fang ta \u0111\u00e1nh gi\u00e1 cao s\u1ef1 \u0111a d\u1ea1ng \u0111\u00e1ng kinh ng\u1ea1c c\u1ee7a s\u1ef1 s\u1ed1ng \u0111\u00e3 t\u1eebng t\u1ed3n t\u1ea1i tr\u00ean h\u00e0nh tinh c\u1ee7a ch\u00fang ta.<\/p>\n\n

Nghi\u00ean c\u1ee9u \u0111ang di\u1ec5n ra<\/h2>\n\n

Vi\u1ec7c nghi\u00ean c\u1ee9u chim c\u00f3 r\u0103ng l\u00e0 m\u1ed9t l\u0129nh v\u1ef1c nghi\u00ean c\u1ee9u \u0111ang di\u1ec5n ra. Nh\u1eefng kh\u00e1m ph\u00e1 m\u1edbi v\u00e0 nh\u1eefng ti\u1ebfn b\u1ed9 v\u1ec1 c\u00f4ng ngh\u1ec7 li\u00ean t\u1ee5c l\u00e0m s\u00e1ng t\u1ecf th\u00eam v\u1ec1 cu\u1ed9c s\u1ed1ng v\u00e0 s\u1ef1 tuy\u1ec7t ch\u1ee7ng c\u1ee7a nh\u1eefng lo\u00e0i sinh v\u1eadt h\u1ea5p d\u1eabn n\u00e0y. B\u1eb1ng c\u00e1ch \u0111i s\u00e2u v\u00e0o h\u1ed3 s\u01a1 h\u00f3a th\u1ea1ch v\u00e0 s\u1eed d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p nghi\u00ean c\u1ee9u s\u00e1ng t\u1ea1o, c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111ang t\u1eebng b\u01b0\u1edbc gh\u00e9p l\u1ea1i b\u1ee9c tranh gh\u00e9p ph\u1ee9c t\u1ea1p v\u1ec1 qu\u00e1 tr\u00ecnh ti\u1ebfn h\u00f3a c\u1ee7a c\u00e1c lo\u00e0i chim \u1edf k\u1ef7 Trung sinh.<\/p>","protected":false},"excerpt":{"rendered":"

Chim c\u00f3 r\u0103ng: M\u1ed9t ch\u01b0\u01a1ng b\u1ecb l\u00e3ng qu\u00ean trong l\u1ecbch s\u1eed kh\u1ee7ng long S\u1ef1 tr\u1ed7i d\u1eady c\u1ee7a chim c\u00f3 r\u0103ng Trong k\u1ef7 Trung sinh, th\u1eddi k\u1ef3 m\u00e0 kh\u1ee7ng long th\u1ed1ng…<\/p>\n","protected":false},"author":2,"featured_media":24473,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[138],"tags":[137,239,134,16778,136,16777],"class_list":["post-12409","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-paleontology","tag-paleontology","tag-fossils","tag-dinosaurs","tag-mesozoic-era","tag-evolution","tag-toothed-birds"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/12409","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=12409"}],"version-history":[{"count":2,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/12409\/revisions"}],"predecessor-version":[{"id":24474,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/12409\/revisions\/24474"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media\/24473"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media?parent=12409"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/categories?post=12409"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/tags?post=12409"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}