{"id":30753,"date":"2021-01-26T10:32:00","date_gmt":"2021-01-26T03:32:00","guid":{"rendered":"https:\/\/ttud.com.vn\/?p=30753"},"modified":"2022-01-04T10:34:40","modified_gmt":"2022-01-04T03:34:40","slug":"chim-se-ma-ca-rong","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/chim-se-ma-ca-rong\/","title":{"rendered":"Chim s\u1ebb ‘ma c\u00e0 r\u1ed3ng’"},"content":{"rendered":"\n

C\u00e1c nh\u00e0 khoa h\u1ecdc cho r\u1eb1ng chim s\u1ebb ma c\u00e0 r\u1ed3ng ti\u1ebfn h\u00f3a h\u00e0nh vi u\u1ed1ng m\u00e1u \u0111\u1ec3 s\u1ed1ng s\u00f3t trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t v\u00e0 t\u00e0i nguy\u00ean khan hi\u1ebfm.<\/p>\n\n\n\n

\"Chim
Chim s\u1ebb ma c\u00e0 r\u1ed3ng \u0111ang t\u1ea5n c\u00f4ng chim \u0111i\u00ean m\u1eb7t xanh. \u1ea2nh: Jaime Chaves.<\/em><\/figcaption><\/figure><\/div>\n\n\n\n

Qu\u1ea7n \u0111\u1ea3o Gal\u00e1pagos l\u00e0 n\u01a1i \u1edf c\u1ee7a 13 lo\u00e0i chim s\u1ebb Darwin kh\u00e1c nhau ti\u1ebfn h\u00f3a t\u1eeb m\u1ed9t t\u1ed5 ti\u00ean chung. M\u1ed7i lo\u00e0i chim s\u1ebb th\u00edch nghi v\u1edbi m\u00f4i tr\u01b0\u1eddng ri\u00eang v\u00e0 \u0111i\u1ec1u ch\u1ec9nh ch\u1ebf \u0111\u1ed9 \u0103n theo. M\u1ed9t s\u1ed1 lo\u00e0i chim s\u1ebd th\u00edch \u0103n h\u1ea1t, nh\u1ee5y hoa, ph\u1ea5n v\u00e0 c\u00f4n tr\u00f9ng nh\u01b0ng v\u00e0i lo\u00e0i kh\u00e1c l\u1ea1i \u01b0a u\u1ed1ng m\u00e1u t\u1eeb nh\u1eefng con chim bi\u1ec3n l\u1edbn.<\/p>\n\n\n\n

Tr\u00ean \u0111\u1ea3o Darwin v\u00e0 Wolf, n\u1eb1m trong khu b\u1ea3o t\u1ed3n bi\u1ec3n r\u1ed9ng l\u1edbn tr\u00ean qu\u1ea7n \u0111\u1ea3o Gal\u00e1pagos, c\u00f3 lo\u00e0i chim s\u1ebb chuy\u00ean u\u1ed1ng m\u00e1u. \u0110\u01b0\u1ee3c ph\u00e1t hi\u1ec7n l\u1ea7n \u0111\u1ea7u ti\u00ean v\u00e0o n\u0103m 1964, chim s\u1ebb ma c\u00e0 r\u1ed3ng Geospiza septentrionalis s\u1eed d\u1ee5ng chi\u1ebfc m\u1ecf nh\u1ecdn \u0111\u1ec3 \u0111\u00e2m v\u00e0o c\u00e1nh c\u1ee7a lo\u00e0i chim bi\u1ec3n l\u1edbn c\u00f3 t\u00ean Sula granti v\u00e0 u\u1ed1ng m\u00e1u c\u1ee7a n\u00f3.<\/p>\n\n\n\n

U\u1ed1ng m\u00e1u d\u01b0\u1eddng nh\u01b0 l\u00e0 ch\u1ebf \u0111\u1ed9 \u0103n kh\u00e1c th\u01b0\u1eddng v\u1edbi chim s\u1ebb, nh\u01b0ng v\u1edbi kh\u1ea3 n\u0103ng th\u00edch nghi c\u1ee7a chim s\u1ebb, \u0111\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 h\u00e0nh vi qu\u00e1 b\u1ea5t ng\u1edd. Chim s\u1ebb nhi\u1ec1u kh\u1ea3 n\u0103ng t\u1edbi \u0111\u1ea3o Darwin v\u00e0 \u0111\u1ea3o Wolf c\u00e1ch \u0111\u00e2y 500.000 n\u0103m. Charles Darwin, nh\u00e0 t\u1ef1 nhi\u00ean h\u1ecdc ng\u01b0\u1eddi Anh t\u1edbi qu\u1ea7n \u0111\u1ea3o Gal\u00e1pagos v\u00e0o th\u00e1ng 9\/1835. Darwin quan s\u00e1t s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa ch\u1ebf \u0111\u1ed9 \u0103n c\u1ee7a chim s\u1ebb tr\u00ean nhi\u1ec1u \u0111\u1ea3o kh\u00e1c nhau v\u00e0 sau \u0111\u00f3 xem x\u00e9t k\u00edch th\u01b0\u1edbc m\u1ecf c\u1ee7a ch\u00fang. K\u00edch th\u01b0\u1edbc m\u1ecf thay \u0111\u1ed5i khi chim s\u1ebb ph\u00e1t tri\u1ec3n kh\u1ea9u v\u1ecb kh\u00e1c bi\u1ec7t v\u1edbi th\u1ee9c \u0103n s\u1eb5n c\u00f3.<\/p>\n\n\n\n

Do c\u00e1c h\u00f2n \u0111\u1ea3o \u0111\u1ec1u n\u1eb1m \u1edf v\u1ecb tr\u00ed xa x\u00f4i, \u0111\u00f3 l\u00e0 nh\u1eefng n\u01a1i v\u00f4 c\u00f9ng kh\u1eafc nghi\u1ec7t, th\u1ee9c \u0103n c\u00f3 th\u1ec3 tr\u1edf n\u00ean khan hi\u1ebfm v\u00e0o m\u00f9a kh\u00f4. Chim s\u1ebb ma c\u00e0 r\u1ed3ng s\u1ed1ng c\u00f9ng v\u1edbi chim bi\u1ec3n, bao g\u1ed3m chim \u0111i\u00ean ch\u00e2n \u0111\u1ecf v\u00e0 chim Sula granti, \u0103n k\u00fd sinh tr\u00f9ng c\u01b0 tr\u00fa \u1edf da v\u00e0 l\u00f4ng c\u1ee7a nh\u1eefng lo\u00e0i chim l\u1edbn n\u00e0y. Ch\u00fang c\u00f3 th\u1ec3 ph\u00e1t tri\u1ec3n s\u1edf th\u00edch u\u1ed1ng m\u00e1u khi t\u1ea1o ra v\u1ebft th\u01b0\u01a1ng h\u1edf trong l\u00fac b\u1eaft k\u00fd sinh tr\u00f9ng. Cu\u1ed1i c\u00f9ng, chim s\u1ebb h\u1ecdc \u0111\u01b0\u1ee3c c\u00e1ch ti\u1ebfp c\u1eadn ngu\u1ed3n m\u00e1u th\u00f4ng qua m\u1ed5 v\u00e0o c\u00e1nh chim l\u1edbn. Chim s\u1ebb m\u00e0 c\u00e0 r\u1ed3ng s\u1ebd s\u1ed1ng nh\u1edd u\u1ed1ng m\u00e1u khi kh\u00f4ng th\u1ec3 t\u00ecm th\u1ea5y ngu\u1ed3n th\u1ee9c \u0103n n\u00e0o kh\u00e1c nh\u01b0 h\u1ea1t v\u00e0 c\u00f4n tr\u00f9ng, theo c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u Kiyoko Gotanda \u1edf \u0110\u1ea1i h\u1ecdc Cambridge, Daniel Baldassarre \u1edf \u0110\u1ea1i h\u1ecdc New York v\u00e0 Jaime Chavez \u1edf \u0110\u1ea1i h\u1ecdc San Francisco. Nh\u01b0ng m\u00e1u kh\u00f4ng ph\u1ea3i ngu\u1ed3n d\u01b0\u1ee1ng ch\u1ea5t thi\u1ebft y\u1ebfu b\u1edfi ch\u1ee9a l\u01b0\u1ee3ng mu\u1ed1i v\u00e0 s\u1eaft cao.<\/p>\n\n\n\n

Chim s\u1ebb ma c\u00e0 r\u1ed3ng c\u00f3 m\u1ed9t lo\u1ea1i vi khu\u1ea9n ru\u1ed9t Peptostreptococcaceae c\u00f3 th\u1ec3 gi\u00fap x\u1eed l\u00fd, ti\u00eau h\u00f3a mu\u1ed1i v\u00e0 s\u1eaft. Ngay c\u1ea3 khi \u0111\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 ngu\u1ed3n dinh d\u01b0\u1ee1ng hi\u1ec7u qu\u1ea3 nh\u1ea5t, trong t\u00ecnh hu\u1ed1ng kh\u00f4ng c\u00f3 th\u1ee9c \u0103n, ch\u00fang s\u1eb5n s\u00e0ng t\u1ea5n c\u00f4ng chim bi\u1ec3n v\u00e0 con non. Ch\u00fang c\u1ed1 t\u00ecnh m\u1ed5 v\u00e0o g\u1ed1c \u0111u\u00f4i n\u01a1i c\u00f3 tuy\u1ebfn d\u1ea7u c\u1ee7a chim non v\u00e0 u\u1ed1ng m\u00e1u ch\u1ea3y ra.<\/p>\n\n\n\n

An Khang<\/strong>\u00a0(Theo\u00a0Smithsonian<\/em>)<\/p>\n\n\n\n

https:\/\/vnexpress.net\/chim-se-ma-ca-rong-4225919.html<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

C\u00e1c nh\u00e0 khoa h\u1ecdc cho r\u1eb1ng chim s\u1ebb ma c\u00e0 r\u1ed3ng ti\u1ebfn h\u00f3a h\u00e0nh vi u\u1ed1ng m\u00e1u \u0111\u1ec3 s\u1ed1ng s\u00f3t trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t v\u00e0 t\u00e0i nguy\u00ean khan hi\u1ebfm. Qu\u1ea7n \u0111\u1ea3o Gal\u00e1pagos l\u00e0 n\u01a1i \u1edf c\u1ee7a 13 lo\u00e0i chim s\u1ebb Darwin kh\u00e1c nhau ti\u1ebfn h\u00f3a t\u1eeb m\u1ed9t t\u1ed5 ti\u00ean chung. M\u1ed7i lo\u00e0i chim s\u1ebb […]<\/p>\n","protected":false},"author":23,"featured_media":30754,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-30753","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/30753","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/users\/23"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=30753"}],"version-history":[{"count":1,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/30753\/revisions"}],"predecessor-version":[{"id":30755,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/30753\/revisions\/30755"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media\/30754"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=30753"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=30753"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=30753"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}