{"id":15944,"date":"2019-12-20T04:33:27","date_gmt":"2019-12-20T04:33:27","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=15944"},"modified":"2019-12-20T04:33:27","modified_gmt":"2019-12-20T04:33:27","slug":"california-sea-otter-841-gives-birth-to-pup-after-evading-capture","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/vi\/science\/marine-biology\/california-sea-otter-841-gives-birth-to-pup-after-evading-capture\/","title":{"rendered":"R\u00e1i c\u00e1 bi\u1ec3n California g\u00e2y b\u1ea5t ng\u1edd v\u1edbi h\u00e0nh vi k\u1ef3 l\u1ea1 v\u00e0 r\u00e1i con m\u1edbi ch\u00e0o \u0111\u1eddi"},"content":{"rendered":"

R\u00e1i bi\u1ec3n California g\u00e2y x\u00f4n xao d\u01b0 lu\u1eadn v\u00ec h\u00e0nh vi kh\u00e1c th\u01b0\u1eddng v\u00e0 ch\u00fa r\u00e1i con m\u1edbi<\/h2>\n\n

Hormone thai k\u1ef3 c\u00f3 th\u1ec3 gi\u1ea3i th\u00edch cho h\u00e0nh vi b\u1ea5t th\u01b0\u1eddng<\/h2>\n\n

R\u00e1i bi\u1ec3n 841, m\u1ed9t con r\u00e1i bi\u1ec3n California c\u00e1i 5 tu\u1ed5i, \u0111\u00e3 tr\u1edf th\u00e0nh t\u00e2m \u0111i\u1ec3m ch\u00fa \u00fd v\u00e0o m\u00f9a h\u00e8 n\u00e0y v\u00ec h\u00e0nh vi kh\u00e1c th\u01b0\u1eddng l\u00e0 \u0111\u00e1nh c\u1eafp v\u00e1n l\u01b0\u1edbt s\u00f3ng v\u00e0 ti\u1ebfp c\u1eadn con ng\u01b0\u1eddi m\u00e0 kh\u00f4ng h\u1ec1 s\u1ee3 h\u00e3i \u1edf v\u00f9ng bi\u1ec3n ngo\u00e0i kh\u01a1i Santa Cruz, California. Ban \u0111\u1ea7u, c\u00e1c quan ch\u1ee9c v\u1ec1 \u0111\u1ed9ng v\u1eadt hoang d\u00e3 b\u00e0y t\u1ecf lo ng\u1ea1i v\u1ec1 v\u1ea5n \u0111\u1ec1 an to\u00e0n c\u00f4ng c\u1ed9ng v\u00e0 c\u00f4ng b\u1ed1 k\u1ebf ho\u1ea1ch b\u1eaft gi\u1eef v\u00e0 t\u00e1i \u0111\u1ecbnh c\u01b0 c\u00f4, nh\u01b0ng c\u00f4 \u0111\u00e3 tr\u1ed1n tr\u00e1nh \u0111\u01b0\u1ee3c s\u1ef1 truy b\u1eaft c\u1ee7a h\u1ecd trong nhi\u1ec1u th\u00e1ng.<\/p>\n\n

Tuy nhi\u00ean, c\u00e2u chuy\u1ec7n v\u1ec1 841 hi\u1ec7n c\u00f3 m\u1ed9t di\u1ec5n bi\u1ebfn m\u1edbi: Tu\u1ea7n tr\u01b0\u1edbc, c\u00f4 \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n \u0111ang \u1edf c\u00f9ng m\u1ed9t ch\u00fa r\u00e1i con. Theo m\u1ed9t tuy\u00ean b\u1ed1 c\u1ee7a C\u01a1 quan C\u00e1 v\u00e0 \u0110\u1ed9ng v\u1eadt hoang d\u00e3 Hoa K\u1ef3 (USFWS), r\u1ea5t c\u00f3 kh\u1ea3 n\u0103ng R\u00e1i bi\u1ec3n 841 \u0111\u00e3 mang thai v\u00e0o m\u00f9a h\u00e8 n\u00e0y, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 gi\u00fap gi\u1ea3i th\u00edch cho h\u00e0nh vi b\u1ea5t th\u01b0\u1eddng c\u1ee7a c\u00f4.<\/p>\n\n

Tuy\u00ean b\u1ed1 c\u00f3 \u0111o\u1ea1n: “C\u00e1c \u0111\u1ee3t t\u0103ng \u0111\u1ed9t bi\u1ebfn hormone li\u00ean quan \u0111\u1ebfn thai k\u1ef3 \u0111\u01b0\u1ee3c bi\u1ebft l\u00e0 c\u00f3 th\u1ec3 g\u00e2y ra h\u00e0nh vi hung d\u1eef \u1edf nh\u1eefng con r\u00e1i bi\u1ec3n c\u00e1i \u1edf ph\u00eda nam”.<\/p>\n\n

C\u00e1c quan ch\u1ee9c v\u1ec1 \u0111\u1ed9ng v\u1eadt hoang d\u00e3 kh\u00f4ng c\u00f2n c\u00f3 k\u1ebf ho\u1ea1ch b\u1eaft gi\u1eef R\u00e1i bi\u1ec3n 841<\/h2>\n\n

V\u00ec R\u00e1i bi\u1ec3n 841 hi\u1ec7n \u0111\u00e3 l\u00e0m m\u1eb9, n\u00ean c\u00e1c quan ch\u1ee9c v\u1ec1 \u0111\u1ed9ng v\u1eadt hoang d\u00e3 \u0111\u00e3 th\u00f4ng b\u00e1o r\u1eb1ng h\u1ecd s\u1ebd kh\u00f4ng c\u00f2n c\u1ed1 g\u1eafng b\u1eaft gi\u1eef c\u00f4 ho\u1eb7c ch\u00fa r\u00e1i con c\u1ee7a c\u00f4 n\u1eefa. Thay v\u00e0o \u0111\u00f3, c\u00e1c nh\u00e0 sinh v\u1eadt h\u1ecdc s\u1ebd ti\u1ebfp t\u1ee5c theo d\u00f5i c\u00f4 v\u00e0 \u0111\u00e1nh gi\u00e1 h\u00e0nh vi c\u1ee7a c\u00f4.<\/p>\n\n

T\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c d\u00e0nh kh\u00f4ng gian cho r\u00e1i bi\u1ec3n<\/h2>\n\n

C\u00e1c quan ch\u1ee9c v\u1ec1 \u0111\u1ed9ng v\u1eadt hoang d\u00e3 c\u0169ng ti\u1ebfp t\u1ee5c k\u00eau g\u1ecdi c\u00f4ng ch\u00fang d\u00e0nh nhi\u1ec1u kh\u00f4ng gian cho R\u00e1i bi\u1ec3n 841 \u2014 v\u00e0 t\u1ea5t c\u1ea3 c\u00e1c lo\u00e0i \u0111\u1ed9ng v\u1eadt c\u00f3 v\u00fa \u1edf bi\u1ec3n \u2014 \u0111\u1ec3 ch\u00fang c\u00f3 th\u1ec3 ph\u00e1t tri\u1ec3n. R\u00e1i bi\u1ec3n \u0111\u1eb7c bi\u1ec7t d\u1ec5 b\u1ecb t\u1ed5n th\u01b0\u01a1ng trong th\u1eddi gian nu\u00f4i con. Ngo\u00e0i tr\u00e1ch nhi\u1ec7m ch\u0103m s\u00f3c con c\u00e1i th\u00eam, ch\u00fang ph\u1ea3i t\u00ecm ki\u1ebfm v\u00e0 \u0103n t\u1edbi 30% tr\u1ecdng l\u01b0\u1ee3ng c\u01a1 th\u1ec3 m\u1ed7i ng\u00e0y \u0111\u1ec3 t\u1ed3n t\u1ea1i. V\u00ec r\u00e1i bi\u1ec3n kh\u00f4ng c\u00f3 l\u1edbp m\u1ee1 d\u00e0y nh\u01b0 c\u00e1 voi v\u00e0 h\u1ea3i c\u1ea9u, n\u00ean ph\u1ea7n l\u1edbn l\u01b0\u1ee3ng calo n\u1ea1p v\u00e0o c\u01a1 th\u1ec3 ch\u00fang \u0111\u1ec1u d\u00f9ng \u0111\u1ec3 gi\u1eef \u1ea5m. \u0110\u1ec3 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng, ch\u00fang th\u01b0\u1eddng n\u1eb1m ng\u1eeda tr\u00ean m\u1eb7t n\u01b0\u1edbc khi kh\u00f4ng ki\u1ebfm \u0103n.<\/p>\n\n

“N\u1ebfu m\u1ecdi ng\u01b0\u1eddi \u0111\u1ebfn qu\u00e1 g\u1ea7n v\u00e0 g\u00e2y nhi\u1ec5u, r\u00e1i bi\u1ec3n s\u1ebd l\u00e3ng ph\u00ed n\u0103ng l\u01b0\u1ee3ng \u0111\u1ec3 b\u01a1i \u0111i”, Jess Fujii, qu\u1ea3n l\u00fd ch\u01b0\u01a1ng tr\u00ecnh v\u1ec1 r\u00e1i bi\u1ec3n t\u1ea1i Th\u1ee7y cung V\u1ecbnh Monterey, cho bi\u1ebft. “Khi \u0111i\u1ec1u n\u00e0y x\u1ea3y ra nhi\u1ec1u l\u1ea7n, c\u00f3 th\u1ec3 khi\u1ebfn r\u00e1i bi\u1ec3n m\u1eb9 ho\u1eb7c r\u00e1i bi\u1ec3n con t\u1eed vong. \u0110i\u1ec1u c\u1ef1c k\u1ef3 quan tr\u1ecdng l\u00e0 m\u1ecdi ng\u01b0\u1eddi ph\u1ea3i tr\u00e1nh xa t\u1ea5t c\u1ea3 c\u00e1c lo\u00e0i r\u00e1i bi\u1ec3n, \u0111\u1eb7c bi\u1ec7t l\u00e0 nh\u1eefng con r\u00e1i bi\u1ec3n c\u00f3 con nh\u1ecf”.<\/p>\n\n

C\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7 ph\u00e1p l\u00fd cho r\u00e1i bi\u1ec3n<\/h2>\n\n

Ti\u1ebfp c\u1eadn r\u00e1i bi\u1ec3n c\u0169ng l\u00e0 h\u00e0nh vi b\u1ea5t h\u1ee3p ph\u00e1p. Nh\u1eefng lo\u00e0i v\u1eadt n\u00e0y \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 theo lu\u1eadt ti\u1ec3u bang California, c\u0169ng nh\u01b0 \u0110\u1ea1o lu\u1eadt v\u1ec1 c\u00e1c lo\u00e0i c\u00f3 nguy c\u01a1 tuy\u1ec7t ch\u1ee7ng c\u1ee7a li\u00ean bang v\u00e0 \u0110\u1ea1o lu\u1eadt b\u1ea3o v\u1ec7 \u0111\u1ed9ng v\u1eadt c\u00f3 v\u00fa bi\u1ec3n. Nh\u1eefng ng\u01b0\u1eddi vi ph\u1ea1m c\u00f3 th\u1ec3 ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi \u00e1n t\u00f9 l\u00ean \u0111\u1ebfn m\u1ed9t n\u0103m v\u00e0 kho\u1ea3n ti\u1ec1n ph\u1ea1t l\u00ean \u0111\u1ebfn 100.000 \u0111\u00f4 la.<\/p>\n\n

Sinh s\u1ea3n v\u00e0 t\u00ecnh tr\u1ea1ng qu\u1ea7n th\u1ec3<\/h2>\n\n

R\u00e1i bi\u1ec3n c\u00e1i th\u01b0\u1eddng sinh con l\u1ea7n \u0111\u1ea7u khi ch\u00fang \u0111\u1ea1t 4 ho\u1eb7c 5 tu\u1ed5i. Thai k\u1ef3 c\u1ee7a ch\u00fang k\u00e9o d\u00e0i kho\u1ea3ng b\u1ed1n ho\u1eb7c n\u0103m th\u00e1ng. M\u1eb7c d\u00f9 h\u1ea7u h\u1ebft c\u00e1c lo\u00e0i r\u00e1i bi\u1ec3n California \u0111\u1ec1u sinh con t\u1eeb th\u00e1ng 1 \u0111\u1ebfn th\u00e1ng 3, nh\u01b0ng ch\u00fang c\u00f3 th\u1ec3 sinh s\u1ea3n quanh n\u0103m.<\/p>\n\n

R\u00e1i bi\u1ec3n ph\u00eda nam, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 r\u00e1i bi\u1ec3n California, \u0111\u00e3 g\u1ea7n nh\u01b0 b\u1ecb s\u0103n b\u1eaft \u0111\u1ebfn tuy\u1ec7t ch\u1ee7ng. Ngo\u00e0i kh\u01a1i b\u1edd bi\u1ec3n California, s\u1ed1 l\u01b0\u1ee3ng c\u00e1 th\u1ec3 c\u1ee7a ch\u00fang \u0111\u00e3 gi\u1ea3m xu\u1ed1ng ch\u1ec9 c\u00f2n kho\u1ea3ng 50 v\u00e0o \u0111\u1ea7u nh\u1eefng n\u0103m 1900. M\u1eb7c d\u00f9 ch\u00fang \u0111\u00e3 c\u00f3 s\u1ef1 ph\u1ee5c h\u1ed3i k\u1ec3 t\u1eeb \u0111\u00f3, nh\u01b0ng qu\u1ea7n th\u1ec3 c\u1ee7a ch\u00fang v\u1eabn \u0111ang suy gi\u1ea3m trong nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y, c\u00f3 th\u1ec3 l\u00e0 do b\u1ec7nh t\u1eadt, hi\u1ec7n t\u01b0\u1ee3ng t\u1ea3o n\u1edf hoa ho\u1eb7c b\u1ecb c\u00e1 m\u1eadp t\u1ea5n c\u00f4ng.<\/p>\n\n

H\u00e0nh tr\u00ecnh c\u1ee7a R\u00e1i bi\u1ec3n 841<\/h2>\n\n

R\u00e1i bi\u1ec3n 841 \u0111\u01b0\u1ee3c sinh ra trong \u0111i\u1ec1u ki\u1ec7n nu\u00f4i nh\u1ed1t v\u00e0 l\u1edbn l\u00ean t\u1ea1i Th\u1ee7y cung V\u1ecbnh Monterey tr\u01b0\u1edbc khi \u0111\u01b0\u1ee3c th\u1ea3 v\u1ec1 t\u1ef1 nhi\u00ean v\u00e0o n\u0103m 2020. \u0110\u00e2y l\u00e0 l\u1ea7n th\u1ee9 ba c\u00f4 c\u00f3 r\u00e1i con, m\u1eb7c d\u00f9 l\u1ea7n \u0111\u1ea7u ti\u00ean ch\u00fa r\u00e1i con \u0111\u00e3 s\u1ed1ng s\u00f3t c\u00f2n l\u1ea7n th\u1ee9 hai th\u00ec kh\u00f4ng.<\/p>\n\n

Kh\u00f4ng r\u00f5 ch\u00ednh x\u00e1c th\u1eddi \u0111i\u1ec3m 841 sinh con, nh\u01b0ng c\u00f4 \u0111\u00e3 \u0111\u01b0\u1ee3c nh\u00ecn th\u1ea5y b\u01a1i m\u1ed9t m\u00ecnh v\u00e0o ng\u00e0y 20 th\u00e1ng 10. Tuy nhi\u00ean, tu\u1ea7n tr\u01b0\u1edbc, nhi\u1ebfp \u1ea3nh gia Mark Woodward \u0111\u00e3 ph\u00e1t hi\u1ec7n m\u1ed9t ch\u00fa r\u00e1i con l\u00f4ng x\u00f9 nh\u1ecf b\u00ean c\u1ea1nh c\u00f4. Hai m\u1eb9 con \u0111ang c\u00f9ng nhau th\u01b0\u1edfng th\u1ee9c m\u1ed9t b\u1eefa cua. Woodward \u0111\u00e3 \u0111\u1eb7t t\u00ean cho c\u1eb7p \u0111\u00f4i n\u00e0y l\u00e0 “841+1”.<\/p>\n\n

“T\u00f4i c\u1ea3m th\u1ea5y m\u00ecnh \u0111ang m\u1ec9m c\u01b0\u1eddi v\u00e0 g\u1ea7n nh\u01b0 b\u1eadt kh\u00f3c, t\u00f4i c\u1ea3m th\u1ea5y m\u00ecnh nh\u01b0 m\u1ed9t ng\u01b0\u1eddi cha t\u1ef1 h\u00e0o”, anh \u1ea5y \u0111\u0103ng tr\u00ean t\u00e0i kho\u1ea3n m\u1ea1ng x\u00e3 h\u1ed9i Native Santa Cruz c\u1ee7a m\u00ecnh. “Xin ch\u00fac m\u1eebng 841, t\u1ea5t c\u1ea3 m\u1ecdi ng\u01b0\u1eddi \u1edf 831 \u0111\u1ec1u r\u1ea5t vui cho b\u1ea1n”.<\/p>\n\n

K\u1ec3 t\u1eeb \u0111\u00f3, m\u1ea1ng x\u00e3 h\u1ed9i c\u1ee7a Woodward \u0111\u00e3 “b\u00f9ng n\u1ed5”, v\u1edbi r\u1ea5t nhi\u1ec1u b\u00ecnh lu\u1eadn b\u00e0y t\u1ecf ni\u1ec1m vui tr\u01b0\u1edbc \u0111i\u1ec1u c\u00f3 v\u1ebb nh\u01b0 l\u00e0 m\u1ed9t k\u1ebft th\u00fac c\u00f3 h\u1eadu cho c\u00e2u chuy\u1ec7n v\u1ec1 841.<\/p>\n\n

“T\u00f4i \u0111\u00e3 ngh\u0129 su\u1ed1t th\u1eddi gian qua r\u1eb1ng c\u00f4 \u1ea5y \u0111ang mang thai”, m\u1ed9t ng\u01b0\u1eddi vi\u1ebft tr\u00ean b\u00e0i \u0111\u0103ng c\u1ee7a anh \u1ea5y. “T\u00f4i r\u1ea5t x\u00fac \u0111\u1ed9ng khi th\u1ea5y c\u00f4 \u1ea5y \u0111\u00e3 tr\u1ed1n tho\u00e1t \u0111\u01b0\u1ee3c c\u1ea3nh b\u1ecb giam c\u1ea7m… v\u00e0 c\u00f3 th\u1ec3 nu\u00f4i con \u1edf n\u01a1i ch\u00fang thu\u1ed9c v\u1ec1, ngo\u00e0i t\u1ef1 nhi\u00ean v\u00e0 trong v\u1ecbnh!”<\/p>","protected":false},"excerpt":{"rendered":"

R\u00e1i bi\u1ec3n California g\u00e2y x\u00f4n xao d\u01b0 lu\u1eadn v\u00ec h\u00e0nh vi kh\u00e1c th\u01b0\u1eddng v\u00e0 ch\u00fa r\u00e1i con m\u1edbi Hormone thai k\u1ef3 c\u00f3 th\u1ec3 gi\u1ea3i th\u00edch cho h\u00e0nh vi b\u1ea5t th\u01b0\u1eddng…<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[84],"tags":[1298,2094,21192,21190,21189,21191],"class_list":["post-15944","post","type-post","status-publish","format-standard","hentry","category-marine-biology","tag-marine-conservation","tag-wildlife-behavior","tag-pregnancy-hormones","tag-otter-841","tag-california-sea-otter","tag-sea-otter-pup"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/15944","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=15944"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/15944\/revisions"}],"predecessor-version":[{"id":15945,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/15944\/revisions\/15945"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media?parent=15944"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/categories?post=15944"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/tags?post=15944"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}