{"id":491895,"date":"2026-09-11T14:16:23","date_gmt":"2026-09-11T14:16:23","guid":{"rendered":"https:\/\/prendergast.net\/?p=491895"},"modified":"2026-09-13T14:16:23","modified_gmt":"2026-09-13T14:16:23","slug":"gau-bac-cuc-song-sot-trong-moi-truong-lanh-nhu-the-nao","status":"publish","type":"post","link":"https:\/\/prendergast.net\/?p=491895","title":{"rendered":"G\u1ea5u B\u1eafc C\u1ef1c s\u1ed1ng s\u00f3t trong m\u00f4i tr\u01b0\u1eddng l\u1ea1nh nh\u01b0 th\u1ebf n\u00e0o"},"content":{"rendered":"

G\u1ea5u B\u1eafc C\u1ef1c kh\u00f4ng ch\u1ec9 l\u00e0 bi\u1ec3u t\u01b0\u1ee3ng quan tr\u1ecdng trong v\u0103n h\u00f3a d\u00e2n gian v\u00e0 ngh\u1ec7 thu\u1eadt, m\u00e0 c\u00f2n \u0111\u00f3ng vai tr\u00f2 thi\u1ebft y\u1ebfu trong h\u1ec7 sinh th\u00e1i v\u00f9ng B\u1eafc C\u1ef1c. T\u00ean g\u1ecdi n\u00e0y kh\u00f4ng ch\u1ec9 m\u00f4 t\u1ea3 \u0111\u1eb7c \u0111i\u1ec3m v\u1eadt l\u00fd m\u00e0 c\u00f2n ph\u1ea3n \u00e1nh th\u00f3i quen s\u1ed1ng c\u1ee7a g\u1ea5u B\u1eafc C\u1ef1c, khi ch\u00fang ch\u1ee7 y\u1ebfu sinh s\u1ed1ng v\u00e0 s\u0103n m\u1ed3i tr\u00ean c\u00e1c t\u1ea3ng b\u0103ng \u1edf B\u1eafc B\u0103ng D\u01b0\u01a1ng. C\u1ee5m t\u1eeb n\u00e0y xu\u1ea5t ph\u00e1t t\u1eeb ti\u1ebfng Latin, trong \u0111\u00f3 “Ursus” c\u00f3 ngh\u0129a l\u00e0 g\u1ea5u v\u00e0 “maritimus” ch\u1ec9 m\u00f4i tr\u01b0\u1eddng s\u1ed1ng g\u1ea7n bi\u1ec3n. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u00fap b\u1ea1n hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 t\u00ean g\u1ecdi ti\u1ebfng Anh c\u1ee7a g\u1ea5u B\u1eafc C\u1ef1c, \u0111\u1eb7c \u0111i\u1ec3m sinh th\u00e1i v\u00e0 t\u1ea7m quan tr\u1ecdng c\u1ee7a lo\u00e0i trong h\u1ec7 sinh th\u00e1i t\u1ef1 nhi\u00ean. B\u1ea3o v\u1ec7 g\u1ea5u B\u1eafc C\u1ef1c c\u0169ng ch\u00ednh l\u00e0 b\u1ea3o v\u1ec7 h\u1ec7 sinh th\u00e1i B\u1eafc C\u1ef1c, m\u1ed9t ph\u1ea7n kh\u00f4ng th\u1ec3 thi\u1ebfu c\u1ee7a s\u1ef1 c\u00e2n b\u1eb1ng t\u1ef1 nhi\u00ean to\u00e0n c\u1ea7u. L\u00e0 k\u1ebb s\u0103n m\u1ed3i \u0111\u1ec9nh cao t\u1ea1i B\u1eafc C\u1ef1c, g\u1ea5u B\u1eafc C\u1ef1c \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong h\u1ec7 sinh th\u00e1i v\u00f9ng c\u1ef1c.<\/p>\n

Tuy nhi\u00ean th\u1ef1c t\u1ebf th\u00ec chim c\u00e1nh c\u1ee5t c\u00f3 m\u1eadt \u0111\u1ed9 l\u00f4ng cao nh\u1ea5t v\u00e0 d\u00e0y \u0111\u1eb7c nh\u1ea5t h\u01a1n trong b\u1ea5t k\u1ef3 lo\u00e0i chim n\u00e0o kh\u00e1c. C\u00f3 th\u1ec3 c\u00f3 nhi\u1ec1u b\u1ea1n s\u1ebd ngh\u0129 r\u1eb1ng chim c\u00e1nh c\u1ee5t kh\u00f4ng c\u00f3 l\u00f4ng do khi nh\u00ecn qua s\u1ebd th\u1ea5y ch\u00fang m\u01b0\u1ee3t m\u00e0, m\u1ecbn m\u00e0ng nh\u01b0 da c\u1ee7a ch\u00fang v\u1eady. V\u00e0 chim c\u00e1nh c\u1ee5t c\u0169ng c\u00f3 m\u1ed9t l\u1edbp \u00e1o l\u00f4ng \u0111\u01b0\u1ee3c c\u1ea5u t\u1ea1o \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 gi\u1eef \u1ea5m v\u00e0 ch\u1eafn gi\u00f3 c\u0169ng nh\u01b0 r\u0169 s\u1ea1ch n\u01b0\u1edbc sau khi ki\u1ebfm \u0103n. Chim c\u00e1nh c\u1ee5t Ho\u00e0ng \u0111\u1ebf \u0111\u1ea1i di\u1ec7n cho lo\u00e0i chim c\u00e1nh c\u1ee5t b\u1edfi th\u1ec3 h\u00ecnh c\u0169ng nh\u01b0 l\u00e0 lo\u00e0i duy nh\u1ea5t l\u00e0m t\u1ed5 v\u00e0 sinh s\u1ea3n t\u1ea1i Nam C\u1ef1c trong m\u00f9a \u0111\u00f4ng l\u1ea1nh gi\u00e1. Trong t\u1ed5ng s\u1ed1 kho\u1ea3ng 17 \u0111\u1ebfn 19 lo\u00e0i chim c\u00e1nh c\u1ee5t \u0111\u00e3 \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y (chim c\u00e1nh c\u1ee5t Ho\u00e0ng \u0111\u1ebf l\u00e0 lo\u00e0i l\u1edbn nh\u1ea5t trong c\u00e1c lo\u1ea1i), v\u1edbi chi\u1ec1u cao trung b\u00ecnh 1,1m v\u00e0 n\u1eb7ng kho\u1ea3ng 35kg. Tuy nhi\u00ean, chim c\u00e1nh c\u1ee5t l\u1ea1i ch\u1ecdn Nam c\u1ef1c \u0111\u1ec3 sinh tr\u01b0\u1edfng, ph\u00e1t tri\u1ec3n b\u1edfi v\u00ec chim c\u00e1nh c\u1ee5t kh\u00f4ng th\u1ec3 s\u1ed1ng c\u00f9ng g\u1ea5u B\u1eafc c\u1ef1c to l\u1edbn v\u00e0 hung h\u0103ng.<\/p>\n

Th\u01b0\u1eddng th\u00ec ph\u1ea7n th\u1ecbt th\u1eeba l\u1ea1i b\u1ecb b\u1ecf r\u01a1i, nh\u01b0ng l\u1ea1i tr\u1edf th\u00e0nh ngu\u1ed3n th\u1ef1c ph\u1ea9m quan tr\u1ecdng cho nh\u1eefng lo\u00e0i kh\u00e1c nh\u01b0 c\u00e1o B\u1eafc C\u1ef1c. Tr\u00ean c\u00e1c t\u1ea3ng b\u0103ng tr\u00f4i (ch\u00fang d\u00e0nh ph\u1ea7n l\u1edbn cu\u1ed9c \u0111\u1eddi c\u1ee7a m\u00ecnh), n\u01a1i m\u00e0 m\u00f4i tr\u01b0\u1eddng s\u1ed1ng \u0111\u1ed9c \u0111\u00e1o quy\u1ebft \u0111\u1ecbnh s\u1ef1 s\u1ed1ng c\u00f2n c\u1ee7a c\u1ea3 lo\u00e0i. C\u00e2u h\u1ecfi v\u1ec1 n\u01a1i sinh s\u1ed1ng c\u1ee7a g\u1ea5u B\u1eafc C\u1ef1c kh\u00f4ng ch\u1ec9 \u0111\u01b0\u1ee3c tr\u1ea3 l\u1eddi b\u1edfi b\u0103ng bi\u1ec3n, m\u00e0 n\u00f3 c\u00f2n ch\u00ednh l\u00e0 n\u1ec1n t\u1ea3ng cho to\u00e0n b\u1ed9 h\u1ec7 sinh th\u00e1i B\u1eafc C\u1ef1c. L\u00e0 nh\u1eefng nh\u00e0 s\u00e1ng t\u1ea1o n\u1ed9i dung t\u1ea1i Inter Stella \u2014 ch\u00fang t\u00f4i lu\u00f4n mong mu\u1ed1n cung c\u1ea5p th\u00f4ng tin h\u1eefu \u00edch v\u00e0 th\u00fa v\u1ecb, gi\u00fap b\u1ea1n kh\u00e1m ph\u00e1 th\u1ebf gi\u1edbi xung quanh m\u1ed9t c\u00e1ch tr\u1ecdn v\u1eb9n nh\u1ea5t. Nh\u1eefng t\u1ed5 ch\u1ee9c b\u1ea3o t\u1ed3n tr\u00ean to\u00e0n th\u1ebf gi\u1edbi \u0111ang n\u1ed7 l\u1ef1c n\u00e2ng cao nh\u1eadn th\u1ee9c c\u0169ng nh\u01b0 th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7 lo\u00e0i v\u1eadt bi\u1ec3u t\u01b0\u1ee3ng n\u00e0y. 6.<\/p>\n

.<\/p>\n

1. Ch\u1ebf \u0111\u1ed9 \u0103n u\u1ed1ng<\/h2>\n

G\u1ea5u B\u1eafc C\u1ef1c th\u00edch m\u00f4i tr\u01b0\u1eddng bi\u1ec3n m\u1ed9t ph\u1ea7n \u0111\u00f3ng b\u0103ng v\u00e0 m\u1ed9t ph\u1ea7n l\u00e0 h\u1ed3 new88 casino<\/a> b\u0103ng v\u00ec khi \u0111\u00f3 ch\u00fang c\u00f3 th\u1ec3 “\u00f4m c\u00e2y \u0111\u1ee3i th\u1ecf” \u1edf ven h\u1ed3 b\u0103ng. V\u00ec g\u1ea5u B\u1eafc C\u1ef1c ph\u1ea3i s\u0103n h\u1ea3i c\u1ea9u tr\u00ean nh\u1eefng l\u1edbp b\u0103ng tr\u00f4i, do \u0111\u00f3, kh\u00f4ng c\u00f3 b\u0103ng n\u1ed5i th\u00ec ch\u00fang s\u1ebd kh\u00f4ng th\u1ec3 b\u1eaft h\u1ea3i c\u1ea9u, v\u00ec d\u00f9 c\u00f3 b\u01a1i th\u00ec ch\u1eafc ch\u1eafn lo\u00e0i g\u1ea5u n\u00e0y c\u0169ng kh\u00f4ng th\u1ec3 b\u01a1i gi\u1ecfi \u0111\u01b0\u1ee3c b\u1eb1ng h\u1ea3i c\u1ea9u. Khi g\u1ea5u B\u1eafc C\u1ef1c lo l\u1eafng (ch\u00fang s\u1ebd kh\u1ecbt m\u0169i), trong khi ti\u1ebfng g\u1ea7m g\u1eeb, ti\u1ebfng r\u00edt v\u00e0 ti\u1ebfng g\u1ea7m \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nh\u1eefng t\u00ecnh hu\u1ed1ng c\u1ea7n bi\u1ec3u l\u1ed9 s\u1ef1 hung h\u0103ng. Tuy nhi\u00ean \u2014 ch\u00fang c\u00f3 th\u1ec3 ch\u01a1i \u0111\u00f9a v\u1edbi nhau ho\u1eb7c ng\u1ee7 trong v\u00f2ng tay nhau.<\/p>\n

\"new<\/p>\n

Ch\u1ebf \u0111\u1ed9 \u0103n c\u1ee7a g\u1ea5u B\u1eafc C\u1ef1c \u1edf v\u00f9ng B\u1eafc C\u1ef1c b\u0103ng gi\u00e1 c\u1ee7a h\u00e0nh tinh Tr\u00e1i \u0110\u1ea5t l\u00e0 g\u00ec?<\/h2>\n

Tuy nhi\u00ean (h\u1ea3i c\u1ea9u Weddell \u1edf Nam C\u1ef1c l\u1ea1i kh\u00f4ng c\u00f3 k\u1ebb th\u00f9 t\u1ef1 nhi\u00ean tr\u00ean b\u0103ng), \u0111i\u1ec1u n\u00e0y khi\u1ebfn cho ch\u00fang \u00edt c\u1ea3nh gi\u00e1c h\u01a1n. C\u00e1c lo\u00e0i \u0111\u1ed9ng v\u1eadt bi\u1ec3n \u1edf B\u1eafc C\u1ef1c \u0111\u00e3 th\u00edch nghi v\u1edbi s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a g\u1ea5u B\u1eafc C\u1ef1c. Hi\u1ec7n t\u1ea1i, g\u1ea5u B\u1eafc C\u1ef1c \u0111ang m\u1ea5t m\u00f4i tr\u01b0\u1eddng s\u1ed1ng nh\u01b0ng ch\u01b0a c\u00f3 ai ho\u1eb7c d\u1ef1 \u00e1n n\u00e0o di c\u01b0 ch\u00fang \u0111\u1ec3 b\u1ea3o v\u1ec7. N\u1ebfu \u1edf Nam C\u1ef1c, ch\u00fang c\u00f3 th\u1ec3 s\u1ed1ng \u1edf v\u0129 \u0111\u1ed9 th\u1ea5p h\u01a1n, nh\u01b0ng s\u1ebd g\u1eb7p kh\u00f3 kh\u0103n v\u1ec1 th\u1ee9c \u0103n do thi\u1ebfu bi\u1ec3n b\u0103ng. \u0110i\u1ec1u n\u00e0y kh\u00f4ng \u1ea3nh h\u01b0\u1edfng nhi\u1ec1u \u0111\u1ebfn g\u1ea5u B\u1eafc C\u1ef1c \u2014 ch\u00fang th\u01b0\u1eddng \u1edf g\u1ea7n V\u00f2ng B\u1eafc C\u1ef1c v\u00e0 \u00edt khi \u0111i v\u1ec1 ph\u00eda b\u1eafc do kh\u00f3 t\u00ecm th\u1ee9c \u0103n.<\/p>\n

G\u1ea5u B\u1eafc C\u1ef1c Canada (chi\u1ebfm 2\/3 t\u1ed5ng s\u1ed1 g\u1ea5u B\u1eafc C\u1ef1c tr\u00ean to\u00e0n c\u1ea7u), r\u00f5 r\u00e0ng \u0111ang g\u1eb7p nguy hi\u1ec3m do t\u00ecnh tr\u1ea1ng n\u00f3ng l\u00ean to\u00e0n c\u1ea7u; ngay c\u1ea3 c\u00e1c lo\u00e0i s\u1ed1ng d\u1ecdc b\u1edd V\u1ecbnh Hudson c\u0169ng c\u00f3 nguy c\u01a1 tuy\u1ec7t ch\u1ee7ng trong nhi\u1ec1u n\u0103m t\u1edbi. Do s\u1ef1 n\u00f3ng l\u00ean to\u00e0n c\u1ea7u l\u00e0m cho s\u1eaft trong c\u00e1c s\u00f4ng b\u0103ng tan ch\u1ea3y \u2014 g\u1ea5u B\u1eafc C\u1ef1c bu\u1ed9c ph\u1ea3i di chuy\u1ec3n \u0111\u1ebfn nh\u1eefng n\u01a1i kh\u00e1c v\u00ec ch\u00fang c\u1ea7n b\u0103ng \u0111\u1ec3 s\u0103n h\u1ea3i c\u1ea9u. T\u1eeb th\u00e1ng 2 \u0111\u1ebfn th\u00e1ng 1 (nh\u1eefng ch\u00fa ch\u00f3 con ra \u0111\u1eddi ch\u1ec9 v\u1edbi c\u00e2n n\u1eb7ng 2 kg), v\u00e0 ch\u00fang ho\u00e0n to\u00e0n ph\u1ee5 thu\u1ed9c v\u00e0o m\u1eb9 \u0111\u1ec3 t\u1ed3n t\u1ea1i trong \u0111i\u1ec1u ki\u1ec7n s\u1ed1ng kh\u1eafc nghi\u1ec7t. Ch\u1ec9 c\u00f3 nh\u1eefng con c\u00e1i th\u1ef1c hi\u1ec7n giai \u0111o\u1ea1n ng\u1ee7 \u0111\u00f4ng, trong khi nh\u1eefng con c\u00f2n l\u1ea1i th\u00ec kh\u00f4ng. \u0110i\u1ec1u n\u00e0y \u0111\u01b0\u1ee3c ch\u1ee9ng minh r\u00f5 r\u00e0ng qua c\u00e1c nghi\u00ean c\u1ee9u kh\u00e1c nhau v\u1ec1 m\u1ed9t s\u1ed1 h\u1ed5 con c\u00f3 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m t\u01b0\u01a1ng \u0111\u1ed3ng v\u1edbi g\u1ea5u n\u00e2u, b\u00ean c\u1ea1nh c\u00e1c th\u1eed nghi\u1ec7m di truy\u1ec1n.<\/p>\n

G\u1ea5u B\u1eafc c\u1ef1c l\u00e0 lo\u00e0i g\u1ea5u duy nh\u1ea5t \u0111\u01b0\u1ee3c coi l\u00e0 \u0111\u1ed9ng v\u1eadt c\u00f3 v\u00fa d\u01b0\u1edbi bi\u1ec3n, v\u00ec \u0111a ph\u1ea7n ch\u00fang d\u00e0nh ph\u1ea7n l\u1edbn th\u1eddi gian tr\u00ean b\u0103ng bi\u1ec3n. M\u1ed9t con g\u1ea5u b\u1eafc c\u1ef1c trung b\u00ecnh c\u00f3 th\u1ec3 \u0111i h\u01a1n 1.800 d\u1eb7m , 2.896 km,. \u0110i\u1ec1u n\u00e0y cho th\u1ea5y h\u1ed5 c\u0169ng \u00edt c\u00f3 kh\u1ea3 n\u0103ng th\u00e1ch th\u1ee9c c\u00e1c lo\u00e0i g\u1ea5u l\u1edbn h\u01a1n \u2014 th\u1eadm ch\u00ed l\u00e0 g\u1ea5u B\u1eafc C\u1ef1c. H\u1ed5 Siberia ch\u1ee7 y\u1ebfu sinh s\u1ed1ng trong khu r\u1eebng l\u00e1 kim v\u00e0 l\u00e1 r\u1ed9ng h\u1ed7n h\u1ee3p \u1edf v\u00f9ng \u0111\u00f4ng b\u1eafc n\u01b0\u1edbc Nga, n\u01a1i m\u00e0 h\u01b0\u01a1u v\u00e0 l\u1ee3n r\u1eebng l\u00e0 hai lo\u00e0i con m\u1ed3i ch\u00ednh c\u1ee7a ch\u00fang – hai lo\u00e0i \u0111\u1ed9ng v\u1eadt n\u00e0y kh\u00f4ng ph\u00e2n b\u1ed1 \u1edf r\u1eebng l\u00e1 kim. V\u00ec v\u1eady (‘sa m\u1ea1c xanh’ kh\u00f4ng cung c\u1ea5p \u0111\u1ee7 th\u1ee9c \u0103n), d\u1eabn \u0111\u1ebfn s\u1ed1 l\u01b0\u1ee3ng \u0111\u1ed9ng v\u1eadt trong khu r\u1eebng r\u1ea5t \u00edt. \u0110i\u1ec1u n\u00e0y gi\u00fap h\u1ed5 tr\u1edf th\u00e0nh k\u1ebb s\u0103n m\u1ed3i t\u00e0i ba v\u00e0 duy tr\u00ec vai tr\u00f2 l\u00e0 k\u1ebb s\u0103n m\u1ed3i h\u00e0ng \u0111\u1ea7u trong h\u1ec7 sinh th\u00e1i.<\/p>\n

\"new<\/p>\n

Ngo\u00e0i vi\u1ec7c l\u00e0 lo\u00e0i v\u1eadt duy nh\u1ea5t \u1edf qu\u1ea7n \u0111\u1ea3o Galapagos tr\u00ean \u0111\u01b0\u1eddng x\u00edch \u0111\u1ea1o, chim c\u00e1nh c\u1ee5t ch\u1ec9 s\u1ed1ng \u1edf b\u00e1n c\u1ea7u nam. Nam C\u1ef1c c\u0169ng s\u1edf h\u1eefu l\u01b0\u1ee3ng b\u0103ng bi\u1ec3n l\u1edbn, c\u00f3 ngu\u1ed3n th\u1ee9c \u0103n d\u1ed3i d\u00e0o v\u00e0 c\u0169ng l\u00e0 n\u01a1i sinh s\u1ed1ng c\u1ee7a nhi\u1ec1u lo\u00e0i h\u1ea3i c\u1ea9u nh\u01b0ng ho\u00e0n to\u00e0n v\u1eafng b\u00f3ng g\u1ea5u B\u1eafc C\u1ef1c. N\u00f3 l\u00e0m t\u1ed5 v\u00e0 sinh s\u1ea3n ngay tr\u00ean b\u1edd m\u00e0 kh\u00f4ng c\u00f3 b\u1ea5t k\u1ef3 l\u1edbp ph\u1ee7 n\u00e0o tr\u00ean b\u1ec1 m\u1eb7t b\u0103ng \u2014 ch\u00fang c\u0169ng kh\u00f4ng quan t\u00e2m \u0111\u1ebfn c\u00e1c lo\u00e0i \u0111\u1ed9ng v\u1eadt di chuy\u1ec3n tr\u00ean b\u1ec1 m\u1eb7t b\u0103ng, v\u00e0 con ng\u01b0\u1eddi th\u1eadm ch\u00ed c\u00f3 th\u1ec3 \u0111i th\u1eb3ng \u0111\u1ebfn t\u1ed5 c\u1ee7a ch\u00fang.<\/p>\n

Nguy c\u01a1 tuy\u1ec7t ch\u1ee7ng \u0111ang \u0111e d\u1ecda g\u1ea5u b\u1eafc c\u1ef1c.<\/h2>\n

\u1ede Canada v\u00e0 Nga, ch\u00fang \u0111\u01b0\u1ee3c xem l\u00e0 lo\u00e0i \u0111\u1ed9ng v\u1eadt \u0111\u01b0\u1ee3c quan t\u00e2m h\u00e0ng \u0111\u1ea7u. Trong khi \u0111\u00f3, s\u1ef1 \u1ea5m l\u00ean to\u00e0n c\u1ea7u \u0111ang l\u00e0m cho c\u00e1c bi\u1ec3n b\u0103ng tan ch\u1ea3y v\u00e0 \u0111\u00e3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn m\u00f4i tr\u01b0\u1eddng s\u1ed1ng c\u1ee7a g\u1ea5u B\u1eafc C\u1ef1c. Nh\u1eefng \u0111i\u1ec1u th\u00fa v\u1ecb v\u1ec1 g\u1ea5u tr\u1eafng B\u1eafc C\u1ef1c bao g\u1ed3m kh\u1ea3 n\u0103ng nh\u1ecbn \u0103n trong nhi\u1ec1u ng\u00e0y v\u00e0 vi\u1ec7c c\u00f3 l\u00f4ng m\u00e0u \u0111en khi nh\u00ecn d\u01b0\u1edbi \u00e1nh s\u00e1ng t\u00edm. Trong h\u00e0ng ngh\u00ecn n\u0103m qua, ng\u01b0\u1eddi Eskimo \u0111\u00e3 c\u00f9ng t\u1ed3n t\u1ea1i v\u1edbi g\u1ea5u B\u1eafc C\u1ef1c trong c\u00f9ng m\u1ed9t m\u00f4i tr\u01b0\u1eddng s\u1ed1ng. Trong kho\u1ea3ng th\u1eddi gian n\u00e0y (r\u0103ng s\u1eefa c\u1ee7a ch\u00fang \u0111\u01b0\u1ee3c thay th\u1ebf b\u1edfi r\u0103ng v\u0129nh vi\u1ec5n \u0111\u1ec3 chu\u1ea9n b\u1ecb cho vi\u1ec7c s\u0103n m\u1ed3i v\u00e0o m\u00f9a xu\u00e2n n\u0103m sau), \u0111\u1ed3ng th\u1eddi ch\u00fang c\u00f2n h\u1ecdc h\u1ecfi k\u1ef9 n\u0103ng t\u1eeb g\u1ea5u m\u1eb9. Tr\u00ean th\u1ef1c t\u1ebf, g\u1ea5u B\u1eafc C\u1ef1c g\u1eb7p nhi\u1ec1u v\u1ea5n \u0111\u1ec1 do nhi\u1ec7t \u0111\u1ed9 t\u0103ng h\u01a1n l\u00e0 t\u1eeb c\u00e1i l\u1ea1nh, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi ch\u00fang di chuy\u1ec3n nhanh.<\/p>\n

V\u0103n b\u1ea3n n\u00e0y l\u00e0 c\u01a1 s\u1edf cho nhi\u1ec1u s\u00e1ng ki\u1ebfn \u200b\u200bnh\u1eb1m b\u1ea3o v\u1ec7 lo\u00e0i \u0111\u1ed9ng v\u1eadt qu\u00fd gi\u00e1 n\u00e0y. Nh\u1eefng h\u1ee3p ch\u1ea5t \u0111\u1ed9c h\u1ea1i n\u00e0y g\u00e2y \u00f4 nhi\u1ec5m ngu\u1ed3n n\u01b0\u1edbc v\u00e0 m\u00f4i tr\u01b0\u1eddng, r\u1ed3i \u0111\u01b0\u1ee3c h\u1ea5p th\u1ee5 v\u00e0o m\u1ee1 c\u1ee7a c\u00e1c lo\u00e0i \u0111\u1ed9ng v\u1eadt s\u1ed1ng \u1edf \u0111\u00f3. Khi m\u00f9a h\u00e8 \u0111\u1ebfn (g\u1ea5u \u0111\u00e3 ti\u00eau th\u1ee5 h\u1ebft l\u01b0\u1ee3ng m\u1ee1 d\u1ef1 tr\u1eef), g\u00e2y ra t\u00ecnh tr\u1ea1ng suy dinh d\u01b0\u1ee1ng nghi\u00eam tr\u1ecdng \u1edf c\u00e1c lo\u00e0i \u0111\u1ed9ng v\u1eadt B\u1eafc C\u1ef1c. Qu\u1ef9 \u0110\u1ed9ng v\u1eadt Hoang d\u00e3 Th\u1ebf gi\u1edbi (WWF) cho r\u1eb1ng g\u1ea5u B\u1eafc C\u1ef1c l\u00e0 m\u1ed9t ch\u1ec9 b\u00e1o quan tr\u1ecdng v\u1ec1 \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng trong h\u1ec7 sinh th\u00e1i B\u1eafc C\u1ef1c.<\/p>\n

B\u0103ng bi\u1ec3n \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng cho s\u1ef1 t\u1ed3n t\u1ea1i c\u1ee7a g\u1ea5u tr\u1eafng B\u1eafc C\u1ef1c \u2014 b\u1edfi \u0111\u00e2y l\u00e0 n\u01a1i ch\u00fang s\u0103n m\u1ed3i, giao ph\u1ed1i v\u00e0 di chuy\u1ec3n. Tuy nhi\u00ean, vi\u1ec7c \u0111\u01b0a g\u1ea5u B\u1eafc C\u1ef1c \u0111\u1ebfn Nam C\u1ef1c l\u00e0 \u0111i\u1ec1u kh\u00f4ng n\u00ean do ngu\u1ed3n th\u1ee9c \u0103n phong ph\u00fa v\u00e0 s\u1ef1 thi\u1ebfu c\u1ea3nh gi\u00e1c c\u1ee7a \u0111\u1ed9ng v\u1eadt \u0111\u1ecba ph\u01b0\u01a1ng. \u0110\u1ec3 c\u00f3 th\u1ec3 \u0111\u1ebfn \u0111\u01b0\u1ee3c Nam C\u1ef1c, g\u1ea5u tr\u1eafng B\u1eafc C\u1ef1c c\u1ea7n ph\u1ea3i v\u01b0\u1ee3t qua eo bi\u1ec3n Drake Passage, n\u01a1i n\u1ed5i ti\u1ebfng v\u1ec1 s\u1ef1 nguy hi\u1ec3m v\u1edbi nh\u1eefng c\u01a1n b\u00e3o m\u1ea1nh v\u00e0 s\u00f3ng l\u1edbn khi n\u01b0\u1edbc l\u1ea1nh t\u1eeb ph\u00eda nam va ch\u1ea1m v\u1edbi n\u01b0\u1edbc \u1ea5m t\u1eeb ph\u00eda b\u1eafc. M\u1eb7c d\u00f9 \u0111\u01b0\u1ee3c coi l\u00e0 lo\u00e0i \u0103n th\u1ecbt tr\u00ean c\u1ea1n l\u1edbn nh\u1ea5t, nh\u01b0ng th\u1ef1c t\u1ebf g\u1ea5u tr\u1eafng B\u1eafc C\u1ef1c hi\u1ebfm khi \u1edf tr\u00ean \u0111\u1ea5t li\u1ec1n m\u00e0 ch\u1ee7 y\u1ebfu s\u1ed1ng tr\u00ean c\u00e1c t\u1ea3ng b\u0103ng tr\u00f4i. G\u1ea5u B\u1eafc C\u1ef1c , Ursus maritimus,, hay c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 g\u1ea5u tr\u1eafng B\u1eafc C\u1ef1c, ph\u00e2n b\u1ed1 ch\u1ee7 y\u1ebfu xung quanh V\u00f2ng B\u1eafc C\u1ef1c. So v\u1edbi ph\u1ea7n l\u1edbn c\u00e1c lo\u00e0i \u0111\u1ed9ng v\u1eadt c\u00f3 v\u00fa kh\u00e1c, l\u01b0\u1ee1ng h\u00ecnh gi\u1edbi t\u00ednh \u1edf lo\u00e0i n\u00e0y \u0111\u1eb7c bi\u1ec7t cao.<\/p>\n","protected":false},"excerpt":{"rendered":"

G\u1ea5u B\u1eafc C\u1ef1c kh\u00f4ng ch\u1ec9 l\u00e0 bi\u1ec3u t\u01b0\u1ee3ng quan tr\u1ecdng trong v\u0103n h\u00f3a d\u00e2n gian v\u00e0 ngh\u1ec7 thu\u1eadt, m\u00e0 c\u00f2n \u0111\u00f3ng vai tr\u00f2 thi\u1ebft y\u1ebfu trong h\u1ec7 sinh th\u00e1i v\u00f9ng B\u1eafc C\u1ef1c. T\u00ean g\u1ecdi n\u00e0y kh\u00f4ng ch\u1ec9 m\u00f4 t\u1ea3 \u0111\u1eb7c \u0111i\u1ec3m v\u1eadt l\u00fd m\u00e0 c\u00f2n ph\u1ea3n \u00e1nh th\u00f3i quen s\u1ed1ng c\u1ee7a g\u1ea5u B\u1eafc C\u1ef1c, khi … Continue reading G\u1ea5u B\u1eafc C\u1ef1c s\u1ed1ng s\u00f3t trong m\u00f4i tr\u01b0\u1eddng l\u1ea1nh nh\u01b0 th\u1ebf n\u00e0o<\/span> →<\/span><\/a><\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-491895","post","type-post","status-publish","format-standard","hentry","category-home"],"_links":{"self":[{"href":"https:\/\/prendergast.net\/index.php?rest_route=\/wp\/v2\/posts\/491895","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prendergast.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prendergast.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prendergast.net\/index.php?rest_route=\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/prendergast.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=491895"}],"version-history":[{"count":1,"href":"https:\/\/prendergast.net\/index.php?rest_route=\/wp\/v2\/posts\/491895\/revisions"}],"predecessor-version":[{"id":491896,"href":"https:\/\/prendergast.net\/index.php?rest_route=\/wp\/v2\/posts\/491895\/revisions\/491896"}],"wp:attachment":[{"href":"https:\/\/prendergast.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=491895"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prendergast.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=491895"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prendergast.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=491895"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}