N\u1eb1m \u1edf Nam \u0110\u1ea1i T\u00e2y D\u01b0\u01a1ng xa x\u00f4i, \u0111\u1ea3o Gough l\u00e0 thi\u00ean \u0111\u01b0\u1eddng cho c\u00e1c lo\u00e0i chim bi\u1ec3n. Tuy nhi\u00ean, thi\u00ean \u0111\u01b0\u1eddng chim tr\u1eddi n\u00e0y \u0111\u00e3 b\u1ecb x\u00e2m chi\u1ebfm b\u1edfi m\u1ed9t lo\u00e0i s\u0103n m\u1ed3i kh\u00f4ng ng\u1edd: chu\u1ed9t kh\u1ed5ng l\u1ed3. Nh\u1eefng con chu\u1ed9t n\u00e0y, h\u1eadu du\u1ec7 c\u1ee7a lo\u00e0i g\u1eb7m nh\u1ea5m \u0111\u1ebfn \u0111\u1ea3o v\u00e0o th\u1ebf k\u1ef7 19, \u0111\u00e3 ti\u1ebfn h\u00f3a \u0111\u1ec3 c\u00f3 k\u00edch th\u01b0\u1edbc g\u1ea5p \u0111\u00f4i so v\u1edbi h\u1ecd h\u00e0ng c\u1ee7a ch\u00fang tr\u00ean \u0111\u1ea5t li\u1ec1n. K\u00edch th\u01b0\u1edbc b\u1ea5t th\u01b0\u1eddng v\u00e0 h\u00e0nh vi s\u0103n m\u1ed3i c\u1ee7a ch\u00fang \u0111ang \u0111e d\u1ecda s\u1ef1 s\u1ed1ng c\u00f2n c\u1ee7a m\u1ed9t s\u1ed1 lo\u00e0i chim bi\u1ec3n tr\u00ean \u0111\u1ea3o.<\/p>\n\n
C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 ph\u00e1t hi\u1ec7n ra r\u1eb1ng nh\u1eefng con chu\u1ed9t tr\u00ean \u0111\u1ea3o Gough \u0111\u00e3 th\u00edch nghi v\u1edbi m\u00f4i tr\u01b0\u1eddng \u0111\u1ed9c \u0111\u00e1o c\u1ee7a ch\u00fang th\u00f4ng qua m\u1ed9t qu\u00e1 tr\u00ecnh g\u1ecdi l\u00e0 gigantism \u0111\u1ea3o. Hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y x\u1ea3y ra khi nh\u1eefng lo\u00e0i \u0111\u1ed9ng v\u1eadt nh\u1ecf \u0111\u01b0\u1ee3c \u0111\u01b0a \u0111\u1ebfn m\u1ed9t h\u00f2n \u0111\u1ea3o kh\u00f4ng c\u00f3 \u0111\u1ed9ng v\u1eadt s\u0103n m\u1ed3i t\u1ef1 nhi\u00ean ho\u1eb7c s\u1ef1 c\u1ea1nh tranh s\u1ebd ph\u00e1t tri\u1ec3n l\u1edbn h\u01a1n theo th\u1eddi gian. Tr\u00ean \u0111\u1ea3o Gough, nh\u1eefng con chu\u1ed9t \u0111\u00e3 t\u00ecm th\u1ea5y m\u1ed9t ngu\u1ed3n th\u1ee9c \u0103n d\u1ed3i d\u00e0o d\u01b0\u1edbi d\u1ea1ng chim non. Ch\u1ebf \u0111\u1ed9 \u0103n \u1ed5n \u0111\u1ecbnh v\u1edbi l\u01b0\u1ee3ng con m\u1ed3i nhi\u1ec1u calo n\u00e0y \u0111\u00e3 cho ph\u00e9p ch\u00fang duy tr\u00ec kh\u1ed1i l\u01b0\u1ee3ng c\u01a1 th\u1ec3 ho\u1eb7c th\u1eadm ch\u00ed t\u0103ng c\u00e2n trong m\u00f9a \u0111\u00f4ng, khi th\u1ee9c \u0103n khan hi\u1ebfm.<\/p>\n\n
Vi\u1ec7c nh\u1eefng con chu\u1ed9t s\u0103n chim non \u0111\u00e3 t\u00e0n ph\u00e1 nghi\u00eam tr\u1ecdng qu\u1ea7n th\u1ec3 chim tr\u00ean \u0111\u1ea3o. Hai lo\u00e0i c\u1ef1c k\u1ef3 nguy c\u1ea5p, h\u1ea3i \u00e2u Tristan v\u00e0 s\u1ebb Gough, \u0111ang ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi nguy c\u01a1 tuy\u1ec7t ch\u1ee7ng do s\u1ef1 th\u00e8m \u0103n d\u1eef d\u1ed9i c\u1ee7a nh\u1eefng con chu\u1ed9t. Nh\u1eefng con chu\u1ed9t n\u00e0y c\u0169ng g\u00f3p ph\u1ea7n l\u00e0m suy gi\u1ea3m c\u00e1c lo\u00e0i chim bi\u1ec3n kh\u00e1c, \u0111e d\u1ecda \u0111\u1ebfn to\u00e0n b\u1ed9 h\u1ec7 sinh th\u00e1i c\u1ee7a h\u00f2n \u0111\u1ea3o.<\/p>\n\n
C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111ang t\u00edch c\u1ef1c nghi\u00ean c\u1ee9u c\u00e1c c\u00e1ch \u0111\u1ec3 ki\u1ec3m so\u00e1t qu\u1ea7n th\u1ec3 chu\u1ed9t tr\u00ean \u0111\u1ea3o Gough. M\u1ed9t gi\u1ea3i ph\u00e1p ti\u1ec1m n\u0103ng l\u00e0 th\u1ea3 c\u00e1c vi\u00ean m\u1ed3i \u0111\u1ed9c t\u1eeb tr\u00ean kh\u00f4ng. Tuy nhi\u00ean, ho\u1ea1t \u0111\u1ed9ng n\u00e0y s\u1ebd r\u1ea5t ph\u1ee9c t\u1ea1p, t\u1ed1n k\u00e9m v\u00e0 r\u1ee7i ro. Kh\u00f4ng c\u00f3 g\u00ec \u0111\u1ea3m b\u1ea3o th\u00e0nh c\u00f4ng, nh\u01b0ng c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u tin r\u1eb1ng \u0111\u00e2y l\u00e0 c\u00e1ch duy nh\u1ea5t \u0111\u1ec3 c\u1ee9u nh\u1eefng lo\u00e0i chim bi\u1ec3n tr\u00ean \u0111\u1ea3o kh\u1ecfi s\u1ef1 tuy\u1ec7t ch\u1ee7ng.<\/p>\n\n
Nh\u1eefng con chu\u1ed9t tr\u00ean \u0111\u1ea3o Gough cung c\u1ea5p m\u1ed9t v\u00ed d\u1ee5 \u0111\u1ed9c \u0111\u00e1o v\u1ec1 c\u00e1ch ch\u1ebf \u0111\u1ed9 \u0103n c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn qu\u00e1 tr\u00ecnh ti\u1ebfn h\u00f3a. K\u00edch th\u01b0\u1edbc b\u1ea5t th\u01b0\u1eddng c\u1ee7a ch\u00fang l\u00e0 h\u1ec7 qu\u1ea3 tr\u1ef1c ti\u1ebfp c\u1ee7a s\u1ef1 th\u00edch nghi v\u1edbi ch\u1ebf \u0111\u1ed9 \u0103n l\u00e0 chim non. Nghi\u00ean c\u1ee9u n\u00e0y nh\u1ea5n m\u1ea1nh t\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c hi\u1ec3u c\u00e1c t\u01b0\u01a1ng t\u00e1c ph\u1ee9c t\u1ea1p gi\u1eefa c\u00e1c lo\u00e0i v\u00e0 m\u00f4i tr\u01b0\u1eddng c\u1ee7a ch\u00fang.<\/p>\n\n
Tr\u01b0\u1eddng h\u1ee3p chu\u1ed9t kh\u1ed5ng l\u1ed3 tr\u00ean \u0111\u1ea3o Gough l\u00e0 m\u1ed9t v\u00ed d\u1ee5 h\u1ea5p d\u1eabn v\u1ec1 sinh th\u00e1i h\u1ecdc tr\u00ean \u0111\u1ea3o. C\u00e1c \u0111\u1ea3o cung c\u1ea5p nh\u1eefng m\u00f4i tr\u01b0\u1eddng \u0111\u1ed9c \u0111\u00e1o c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn s\u1ef1 ti\u1ebfn h\u00f3a c\u1ee7a c\u00e1c lo\u00e0i v\u00e0 qu\u1ea7n th\u1ec3 ri\u00eang bi\u1ec7t. Vi\u1ec7c hi\u1ec3u c\u00e1c qu\u00e1 tr\u00ecnh sinh th\u00e1i di\u1ec5n ra tr\u00ean c\u00e1c h\u00f2n \u0111\u1ea3o c\u00f3 th\u1ec3 gi\u00fap ch\u00fang ta qu\u1ea3n l\u00fd v\u00e0 b\u1ea3o t\u1ed3n t\u1ed1t h\u01a1n nh\u1eefng h\u1ec7 sinh th\u00e1i mong manh n\u00e0y.<\/p>\n\n
Nh\u1eefng con chu\u1ed9t tr\u00ean \u0111\u1ea3o Gough l\u00e0 m\u1ed9t v\u00ed d\u1ee5 v\u1ec1 lo\u00e0i x\u00e2m l\u1ea5n, m\u1ed9t lo\u00e0i kh\u00f4ng ph\u1ea3i b\u1ea3n \u0111\u1ecba \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o m\u1ed9t h\u1ec7 sinh th\u00e1i v\u00e0 g\u00e2y h\u1ea1i cho c\u00e1c lo\u00e0i b\u1ea3n \u0111\u1ecba. C\u00e1c lo\u00e0i x\u00e2m l\u1ea5n c\u00f3 th\u1ec3 t\u00e1c \u0111\u1ed9ng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn \u0111a d\u1ea1ng sinh h\u1ecdc v\u00e0 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a h\u1ec7 sinh th\u00e1i. Vi\u1ec7c ng\u0103n ch\u1eb7n s\u1ef1 du nh\u1eadp c\u00e1c lo\u00e0i x\u00e2m l\u1ea5n v\u00e0 qu\u1ea3n l\u00fd c\u00e1c qu\u1ea7n th\u1ec3 hi\u1ec7n c\u00f3 r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi vi\u1ec7c b\u1ea3o t\u1ed3n c\u00e1c h\u1ec7 sinh th\u00e1i tr\u00ean \u0111\u1ea3o v\u00e0 c\u00e1c lo\u00e0i ph\u1ee5 thu\u1ed9c v\u00e0o ch\u00fang.<\/p>","protected":false},"excerpt":{"rendered":"
Chu\u1ed9t kh\u1ed5ng l\u1ed3 \u0111\u1ea3o Gough: M\u1ed9t tr\u01b0\u1eddng h\u1ee3p ti\u1ebfn h\u00f3a tr\u00ean \u0111\u1ea3o N\u1eb1m \u1edf Nam \u0110\u1ea1i T\u00e2y D\u01b0\u01a1ng xa x\u00f4i, \u0111\u1ea3o Gough l\u00e0 thi\u00ean \u0111\u01b0\u1eddng cho c\u00e1c lo\u00e0i chim bi\u1ec3n.…<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5143],"tags":[401,4725,17396,17395,286,17397],"class_list":["post-12880","post","type-post","status-publish","format-standard","hentry","category-ecology-and-evolution","tag-conservation","tag-seabirds","tag-gough-island","tag-giant-mice","tag-invasive-species","tag-island-evolution"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/12880","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\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/comments?post=12880"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/12880\/revisions"}],"predecessor-version":[{"id":12881,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/12880\/revisions\/12881"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media?parent=12880"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/categories?post=12880"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/tags?post=12880"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}