{"id":13673,"date":"2024-05-08T23:38:43","date_gmt":"2024-05-08T23:38:43","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=13673"},"modified":"2024-05-08T23:38:43","modified_gmt":"2024-05-08T23:38:43","slug":"snowy-owls-winter-boom-masks-climate-threats","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/vi\/science\/zoology\/snowy-owls-winter-boom-masks-climate-threats\/","title":{"rendered":"C\u00fa tuy\u1ebft: S\u1ef1 b\u00f9ng n\u1ed5 m\u00f9a \u0111\u00f4ng che d\u1ea5u nh\u1eefng m\u1ed1i \u0111e d\u1ecda ti\u1ec1m \u1ea9n c\u1ee7a bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu"},"content":{"rendered":"

C\u00fa tuy\u1ebft: S\u1ef1 b\u00f9ng n\u1ed5 m\u00f9a \u0111\u00f4ng che d\u1ea5u nh\u1eefng m\u1ed1i \u0111e d\u1ecda ti\u1ec1m \u1ea9n c\u1ee7a bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu<\/h2>\n\n

C\u00fa tuy\u1ebft: Nh\u1eefng bi\u1ec3u t\u01b0\u1ee3ng B\u1eafc C\u1ef1c \u0111ang g\u1eb7p nguy hi\u1ec3m<\/h2>\n\n

C\u00fa tuy\u1ebft, v\u1edbi b\u1ed9 l\u00f4ng tr\u1eafng n\u1ed5i b\u1eadt v\u00e0 \u0111\u00f4i m\u1eaft v\u00e0ng r\u1ef1c r\u1ee1, l\u00e0 lo\u00e0i \u0111\u1ed9ng v\u1eadt bi\u1ec3u t\u01b0\u1ee3ng c\u1ee7a B\u1eafc C\u1ef1c. Tuy nhi\u00ean, b\u1ea5t ch\u1ea5p s\u1ef1 xu\u1ea5t hi\u1ec7n \u0111\u00f4ng \u0111\u1ea3o c\u1ee7a ch\u00fang trong c\u00e1c cu\u1ed9c di c\u01b0 m\u00f9a \u0111\u00f4ng, nh\u1eefng lo\u00e0i chim \u0111\u1ea7y quy\u1ebfn r\u0169 n\u00e0y \u0111ang ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi nhi\u1ec1u m\u1ed1i \u0111e d\u1ecda \u0111\u00e1ng k\u1ec3.<\/p>\n\n

S\u1ef1 b\u00f9ng n\u1ed5 m\u00f9a \u0111\u00f4ng v\u00e0 s\u1ef1 s\u1ee5t gi\u1ea3m qu\u1ea7n th\u1ec3<\/h2>\n\n

N\u0103m nay, m\u1ed9t “\u0111\u1ee3t b\u00f9ng n\u1ed5 l\u1edbn” \u0111\u00e3 khi\u1ebfn s\u1ed1 l\u01b0\u1ee3ng c\u00fa tuy\u1ebft di c\u01b0 v\u1ec1 ph\u00eda nam t\u0103ng cao b\u1ea5t th\u01b0\u1eddng, v\u1edbi c\u00e1c ghi nh\u1eadn v\u1ec1 s\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a ch\u00fang \u1edf xa v\u1ec1 ph\u00eda nam nh\u01b0 Texas v\u00e0 Washington, D.C. Trong khi s\u1ef1 gia t\u0103ng n\u00e0y c\u00f3 v\u1ebb nh\u01b0 l\u00e0 \u0111i\u1ec1m b\u00e1o t\u1ed1t, th\u00ec n\u00f3 l\u1ea1i che gi\u1ea5u m\u1ed9t th\u1ef1c t\u1ebf \u0111\u00e1ng lo ng\u1ea1i: qu\u1ea7n th\u1ec3 c\u00fa tuy\u1ebft \u0111ang ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi t\u00ecnh tr\u1ea1ng s\u1ee5t gi\u1ea3m.<\/p>\n\n

C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u01b0\u1edbc t\u00ednh r\u1eb1ng qu\u1ea7n th\u1ec3 c\u00fa tuy\u1ebft to\u00e0n c\u1ea7u c\u00f3 th\u1ec3 ch\u1ec9 c\u00f2n kho\u1ea3ng 30.000 c\u00e1 th\u1ec3, gi\u1ea3m \u0111\u00e1ng k\u1ec3 so v\u1edbi c\u00e1c \u01b0\u1edbc t\u00ednh tr\u01b0\u1edbc \u0111\u00e2y. S\u1ef1 s\u1ee5t gi\u1ea3m n\u00e0y \u0111\u01b0\u1ee3c cho l\u00e0 do s\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a nhi\u1ec1u y\u1ebfu t\u1ed1, bao g\u1ed3m bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu v\u00e0 m\u1ea5t m\u00f4i tr\u01b0\u1eddng s\u1ed1ng.<\/p>\n\n

T\u00e1c \u0111\u1ed9ng c\u1ee7a bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu<\/h2>\n\n

Bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu \u0111ang nhanh ch\u00f3ng l\u00e0m thay \u0111\u1ed5i m\u00f4i tr\u01b0\u1eddng B\u1eafc C\u1ef1c, bi\u1ebfn \u0111\u1ed5i \u0111i\u1ec1u ki\u1ec7n tuy\u1ebft, l\u00e0m tan b\u0103ng bi\u1ec3n v\u00e0 ph\u00e1 v\u1ee1 s\u1ef1 c\u00e2n b\u1eb1ng tinh t\u1ebf c\u1ee7a h\u1ec7 sinh th\u00e1i. Nh\u1eefng thay \u0111\u1ed5i n\u00e0y \u0111ang c\u00f3 t\u00e1c \u0111\u1ed9ng s\u00e2u s\u1eafc \u0111\u1ebfn c\u00fa tuy\u1ebft, lo\u00e0i ph\u1ee5 thu\u1ed9c r\u1ea5t nhi\u1ec1u v\u00e0o b\u0103ng bi\u1ec3n \u0111\u1ec3 s\u0103n m\u1ed3i v\u00e0 sinh s\u1ea3n.<\/p>\n\n

Chu k\u1ef3 qu\u1ea7n th\u1ec3 lemming<\/h2>\n\n

S\u1ef1 di chuy\u1ec3n c\u1ee7a c\u00fa tuy\u1ebft c\u00f3 li\u00ean quan ch\u1eb7t ch\u1ebd \u0111\u1ebfn chu k\u1ef3 qu\u1ea7n th\u1ec3 c\u1ee7a lo\u00e0i lemming, ngu\u1ed3n th\u1ee9c \u0103n ch\u00ednh c\u1ee7a ch\u00fang. Khi qu\u1ea7n th\u1ec3 lemming b\u00f9ng n\u1ed5, c\u00fa tuy\u1ebft c\u00f3 ngu\u1ed3n th\u1ee9c \u0103n d\u1ed3i d\u00e0o v\u00e0 m\u00f9a sinh s\u1ea3n th\u00e0nh c\u00f4ng. Tuy nhi\u00ean, qu\u1ea7n th\u1ec3 lemming bi\u1ebfn \u0111\u1ed9ng r\u1ea5t l\u1edbn v\u00e0 nh\u1eefng n\u0103m c\u00f3 s\u1ed1 l\u01b0\u1ee3ng lemming th\u1ea5p c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn t\u00ecnh tr\u1ea1ng thi\u1ebfu th\u1ee9c \u0103n cho c\u00fa tuy\u1ebft.<\/p>\n\n

C\u00e1c ki\u1ec3u b\u00f9ng n\u1ed5<\/h2>\n\n

Theo truy\u1ec1n th\u1ed1ng, ng\u01b0\u1eddi ta tin r\u1eb1ng c\u00e1c \u0111\u1ee3t b\u00f9ng n\u1ed5 c\u1ee7a c\u00fa tuy\u1ebft x\u1ea3y ra khi ch\u00fang b\u1ecb \u0111\u00f3i \u1edf B\u1eafc C\u1ef1c. Tuy nhi\u00ean, c\u00e1c nghi\u00ean c\u1ee9u g\u1ea7n \u0111\u00e2y cho th\u1ea5y r\u1eb1ng c\u00e1c \u0111\u1ee3t b\u00f9ng n\u1ed5 th\u1ef1c s\u1ef1 c\u00f3 th\u1ec3 b\u00e1o hi\u1ec7u nh\u1eefng n\u0103m b\u00f9ng n\u1ed5 \u0111\u1ed1i v\u1edbi lo\u00e0i chim, khi c\u00f3 qu\u00e1 nhi\u1ec1u c\u00e1 th\u1ec3 sinh s\u1ea3n \u0111\u1ebfn m\u1ee9c kh\u00f4ng th\u1ec3 \u1edf l\u1ea1i B\u1eafc C\u1ef1c trong nh\u1eefng th\u00e1ng m\u00f9a \u0111\u00f4ng khan hi\u1ebfm.<\/p>\n\n

D\u1ef1 \u00e1n SNOWstorm: Theo d\u00f5i s\u1ef1 di chuy\u1ec3n c\u1ee7a c\u00fa tuy\u1ebft<\/h2>\n\n

\u0110\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 c\u00e1c \u0111\u1ee3t b\u00f9ng n\u1ed5 c\u1ee7a c\u00fa tuy\u1ebft v\u00e0 h\u00e0nh vi c\u1ee7a ch\u00fang b\u00ean ngo\u00e0i B\u1eafc C\u1ef1c, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 kh\u1edfi \u0111\u1ed9ng D\u1ef1 \u00e1n SNOWstorm, theo d\u00f5i t\u1eebng c\u00e1 th\u1ec3 c\u00fa tuy\u1ebft b\u1eb1ng c\u00e1c m\u00e1y ph\u00e1t t\u00edn hi\u1ec7u n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi.<\/p>\n\n

D\u1ef1 \u00e1n n\u00e0y \u0111\u00e3 ti\u1ebft l\u1ed9 r\u1eb1ng nhi\u1ec1u con c\u00fa tuy\u1ebft di c\u01b0 v\u1ec1 ph\u00eda nam \u0111\u1ec1u kh\u1ecfe m\u1ea1nh. N\u00f3 c\u0169ng ch\u1ec9 ra r\u1eb1ng c\u00fa tuy\u1ebft c\u00f3\u4e60 t\u00ednh tr\u00fa \u0111\u00f4ng \u0111a d\u1ea1ng, trong \u0111\u00f3 m\u1ed9t s\u1ed1 con di chuy\u1ec3n h\u00e0ng ngh\u00ecn km trong khi nh\u1eefng con kh\u00e1c th\u00ec t\u01b0\u01a1ng \u0111\u1ed1i \u00edt di chuy\u1ec3n.<\/p>\n\n

Nh\u1eefng th\u00e1ch th\u1ee9c trong c\u00f4ng t\u00e1c b\u1ea3o t\u1ed3n<\/h2>\n\n

M\u00f4i tr\u01b0\u1eddng B\u1eafc C\u1ef1c \u0111ang thay \u0111\u1ed5i v\u00e0 s\u1ef1 gi\u00e1n \u0111o\u1ea1n c\u1ee7a chu k\u1ef3 qu\u1ea7n th\u1ec3 lemming \u0111\u1eb7t ra nh\u1eefng th\u00e1ch th\u1ee9c \u0111\u00e1ng k\u1ec3 \u0111\u1ed1i v\u1edbi c\u00f4ng t\u00e1c b\u1ea3o t\u1ed3n c\u00fa tuy\u1ebft. C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111ang l\u00e0m vi\u1ec7c \u0111\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 t\u00e1c \u0111\u1ed9ng c\u1ee7a nh\u1eefng thay \u0111\u1ed5i n\u00e0y v\u00e0 x\u00e2y d\u1ef1ng c\u00e1c chi\u1ebfn l\u01b0\u1ee3c \u0111\u1ec3 b\u1ea3o v\u1ec7 nh\u1eefng lo\u00e0i chim bi\u1ec3u t\u01b0\u1ee3ng n\u00e0y.<\/p>\n\n

C\u00fa tuy\u1ebft l\u00e0 nh\u1eefng v\u1ec7 s\u0129<\/h2>\n\n

L\u00e0 nh\u1eefng ch\u1ec9 b\u00e1o v\u1ec1 s\u1ee9c kh\u1ecfe c\u1ee7a B\u1eafc C\u1ef1c, c\u00fa tuy\u1ebft \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c theo d\u00f5i t\u00e1c \u0111\u1ed9ng c\u1ee7a bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu \u0111\u1ed1i v\u1edbi khu v\u1ef1c. S\u1ef1 hi\u1ec7n di\u1ec7n v\u00e0 s\u1ed1 l\u01b0\u1ee3ng c\u1ee7a ch\u00fang cung c\u1ea5p nh\u1eefng hi\u1ec3u bi\u1ebft c\u00f3 gi\u00e1 tr\u1ecb v\u1ec1 nh\u1eefng th\u00e1ch th\u1ee9c m\u00e0 h\u1ec7 sinh th\u00e1i B\u1eafc C\u1ef1c ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u00e0 nhu c\u1ea7u v\u1ec1 c\u00e1c n\u1ed7 l\u1ef1c b\u1ea3o t\u1ed3n.<\/p>\n\n

Ph\u1ea7n k\u1ebft lu\u1eadn<\/h2>\n\n

S\u1ef1 b\u00f9ng n\u1ed5 v\u1ec1 s\u1ed1 l\u01b0\u1ee3ng c\u00fa tuy\u1ebft v\u00e0o m\u00f9a \u0111\u00f4ng c\u00f3 th\u1ec3 mang l\u1ea1i c\u1ea3m gi\u00e1c ng\u1ea1c nhi\u00ean v\u00e0 th\u00edch th\u00fa, nh\u01b0ng n\u00f3 c\u0169ng nh\u1ea5n m\u1ea1nh nh\u1eefng m\u1ed1i \u0111e d\u1ecda ti\u1ec1m \u1ea9n m\u00e0 nh\u1eefng lo\u00e0i chim \u0111\u1ea7y quy\u1ebfn r\u0169 n\u00e0y ph\u1ea3i \u0111\u1ed1i m\u1eb7t. Bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu, m\u1ea5t m\u00f4i tr\u01b0\u1eddng s\u1ed1ng v\u00e0 s\u1ef1 bi\u1ebfn \u0111\u1ed9ng trong ngu\u1ed3n cung c\u1ea5p th\u1ee9c \u0103n \u0111\u1ec1u g\u00f3p ph\u1ea7n l\u00e0m gi\u1ea3m qu\u1ea7n th\u1ec3 c\u1ee7a ch\u00fang. C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u v\u00e0 nh\u00e0 b\u1ea3o t\u1ed3n \u0111ang l\u00e0m vi\u1ec7c ch\u0103m ch\u1ec9 \u0111\u1ec3 hi\u1ec3u v\u00e0 gi\u1ea3m thi\u1ec3u nh\u1eefng m\u1ed1i \u0111e d\u1ecda n\u00e0y, \u0111\u1ea3m b\u1ea3o s\u1ef1 t\u1ed3n t\u1ea1i c\u1ee7a c\u00fa tuy\u1ebft cho c\u00e1c th\u1ebf h\u1ec7 t\u01b0\u01a1ng lai.<\/p>","protected":false},"excerpt":{"rendered":"

C\u00fa tuy\u1ebft: S\u1ef1 b\u00f9ng n\u1ed5 m\u00f9a \u0111\u00f4ng che d\u1ea5u nh\u1eefng m\u1ed1i \u0111e d\u1ecda ti\u1ec1m \u1ea9n c\u1ee7a bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu C\u00fa tuy\u1ebft: Nh\u1eefng bi\u1ec3u t\u01b0\u1ee3ng B\u1eafc C\u1ef1c \u0111ang g\u1eb7p nguy…<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[280],"tags":[4360,401,34,18406,18407],"class_list":["post-13673","post","type-post","status-publish","format-standard","hentry","category-zoology","tag-arctic-wildlife","tag-conservation","tag-climate-change","tag-snowy-owls","tag-winter-migration"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/13673","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=13673"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/13673\/revisions"}],"predecessor-version":[{"id":13674,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/13673\/revisions\/13674"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media?parent=13673"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/categories?post=13673"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/tags?post=13673"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}