{"id":63038,"date":"2026-01-14T13:30:06","date_gmt":"2026-01-14T21:30:06","guid":{"rendered":"https:\/\/vietvalley.com\/nhung-con-cu-tuyet-di-tan\/"},"modified":"2026-01-14T13:30:06","modified_gmt":"2026-01-14T21:30:06","slug":"nhung-con-cu-tuyet-di-tan","status":"publish","type":"post","link":"https:\/\/vietvalley.com\/en\/nhung-con-cu-tuyet-di-tan\/","title":{"rendered":"Nh\u1eefng con c\u00fa tuy\u1ebft di t\u1ea3n"},"content":{"rendered":"<p><span>Chim bay v\u1ec1 ph\u01b0\u01a1ng Nam tr\u1ed1n m\u00f9a tuy\u1ebft gi\u00e1 l\u00e0 chuy\u1ec7n x\u1ea3y ra h\u00e0ng n\u0103m, t\u1eeb \u0110\u00f4ng sang T\u00e2y, t\u1eeb \u00c1 Ch\u00e2u \u0111\u1ebfn M\u1ef9 Ch\u00e2u; nh\u01b0ng l\u1ea1 l\u00f9ng l\u00e0 n\u0103m nay, ng\u01b0\u1eddi ta b\u1eaft \u0111\u1ea7u th\u1ea5y nh\u1eefng con chim sinh s\u1ed1ng \u1edf B\u1eafc C\u1ef1c c\u0169ng\u2026 xu\u00f4i Nam!<\/span><\/p>\n<p><span>L\u1ea1 l\u1eafm b\u1ea1n \u1ea1, nhi\u1ec1u n\u01a1i t\u1ea1i Hu\u00ea K\u1ef3, b\u00e1 t\u00e1nh b\u1eaft \u0111\u1ea7u th\u1ea5y lo\u00e0i c\u00fa tuy\u1ebft (Snow Owl) xu\u1ea5t hi\u1ec7n \u1edf mi\u1ec1n \u0110\u00f4ng B\u1eafc, t\u1eeb Boston, Massachusetts \u0111\u1ebfn Florida v\u00e0 c\u1ea3 v\u00f9ng Bermuda! Ch\u00fang bay t\u1eebng \u0111\u00e0n nhi\u1ec1u con ch\u1ee9 kh\u00f4ng kh\u00f4ng xu\u1ea5t hi\u1ec7n l\u1ebb loi nh\u01b0 l\u1ed1i s\u1ed1ng quen thu\u1ed9c c\u0169.<\/span><\/p>\n<p><span>C\u00fa tuy\u1ebft xu\u1ea5t hi\u1ec7n trong m\u00f9a \u0111\u00f4ng, v\u00e0 th\u1ec9nh tho\u1ea3ng ch\u1ec9 th\u1ea5y \u1edf nh\u1eefng \u0111\u1ed3i c\u00e1t kh\u00f4. Nh\u01b0ng m\u1ea5y n\u0103m g\u1ea7n \u0111\u00e2y, ch\u1eb3ng hi\u1ec3u t\u1ea1i sao c\u00fa tuy\u1ebft l\u1ea1i l\u00e0 \u0111\u00e0 \u1edf phi tr\u01b0\u1eddng Logan, Boston khi\u1ebfn b\u00e1 t\u00e1nh ho\u1ea3ng h\u1ed3n v\u1ec1 tai n\u1ea1n cho ng\u01b0\u1eddi v\u00e0 c\u1ea3 cho chim ch\u00f3c!<\/span><\/p>\n<p><span>M\u00f9a h\u00e8, c\u00fa tuy\u1ebft loanh quanh \u1edf B\u1eafc C\u1ef1c s\u0103n m\u1ed3i c\u1ea3 ng\u00e0y v\u00ec tr\u1eddi s\u00e1ng su\u1ed1t 24 ti\u1ebfng. Khi th\u1ee9c \u0103n nh\u01b0 con m\u1ed3i lemming (m\u1ed9t lo\u00e0i chu\u1ed9t sinh s\u1ed1ng t\u1ea1i B\u1eafc C\u1ef1c) sinh s\u1ea3n r\u1ea7m r\u1ed9, \u0111\u01b0\u1ee3c no \u0111\u1ee7 n\u00ean \u201cd\u00e2n s\u1ed1\u201d c\u00fa tuy\u1ebft c\u0169ng gia t\u0103ng \u00e0o \u1ea1t.<\/span><\/p>\n<p><span>L\u00e0 lo\u00e0i c\u00fa n\u1eb7ng k\u00fd nh\u1ea5t (c\u1ee1 4 c\u00e2n Anh), cao c\u1ee1 20 \u2013 27 ph\u00e2n Anh; c\u00e1nh xo\u1ea3i r\u1ed9ng \u0111\u1ebfn 54 \u2013 66 ph\u00e2n Anh, trong chi h\u1ecd c\u00fa, c\u00fa tuy\u1ebft r\u1ea5t \u0111\u1eb9p, c\u1ea3 th\u00e2n m\u00ecnh tr\u1eafng (nh\u01b0 tuy\u1ebft) v\u1edbi \u0111\u00f4i m\u1eaft vi\u1ec1n v\u00e0ng nh\u01b0 m\u1eaft m\u00e8o n\u00ean khi ch\u00fang xu\u1ea5t hi\u1ec7n l\u00e0 nh\u1eefng ng\u01b0\u1eddi y\u00eau chim mu\u00f4ng r\u1ee7 nhau \u0111i xem. Ng\u01b0\u1eddi ta \u0111\u1eb7t \u1ed1ng nh\u00f2m, ng\u1ed3i trong b\u1ee5i r\u1eadm ch\u1edd c\u00fa tuy\u1ebft xu\u1ea5t hi\u1ec7n \u0111\u1ec3 ng\u1eafm ngh\u00eda v\u00e0 ch\u1ee5p h\u00ecnh\u2026<\/span><\/p>\n<p><span>Con tr\u1ed1ng th\u01b0\u1eddng c\u00f3 nh\u1eefng v\u1eb1n n\u00e2u \u0111en khi c\u00f2n th\u01a1 \u1ea5u, l\u00f4ng chuy\u1ebfn m\u00e0u tuy\u1ebft tr\u1eafng khi tr\u01b0\u1edfng th\u00e0nh. Chim m\u00e1i gi\u1eef nguy\u00ean nh\u1eefng v\u1eb1n n\u00e2u \u0111en n\u00e0y su\u1ed1t \u0111\u1eddi.<\/span><\/p>\n<p><span>Gi\u1ed1ng c\u00fa tuy\u1ebft gi\u1eef g\u00ecn \u2018b\u1edd c\u00f5i\u2019 c\u1ea9n m\u1eadt nh\u1ea5t l\u00e0 n\u01a1i ch\u00fang \u0111\u1ebb tr\u1ee9ng v\u00e0 \u1ea5p tr\u1ee9ng; ngay c\u1ea3 nh\u1eefng v\u00f9ng ch\u00fang di t\u1ea3n \u0111\u1ebfn v\u00e0o m\u00f9a \u0111\u00f4ng. N\u00f4m na l\u00e0 \u0111i \u0111\u1ebfn \u0111\u00e2u, c\u00fa tuy\u1ebft chi\u1ebfm \u0111\u1ea5t gi\u00e0nh ch\u1ed7 \u0111\u1ebfn \u0111\u00f3. Khi b\u1ecb \u2018x\u00e2m l\u1ea5n,\u2019 c\u00fa tuy\u1ebft s\u1eb5n s\u00e0ng th\u00ed m\u1ea1ng \u0111\u1ec3 b\u1ea3o v\u1ec7 l\u00e3nh th\u1ed5, ngay c\u1ea3 khi u\u00fdnh l\u1ed9n v\u1edbi c\u00e1c con C\u00fa tuy\u1ebft \u0111\u1ed3ng ch\u1ee7ng kh\u00e1c. C\u00fa tuy\u1ebft th\u01b0\u1eddng tr\u1edf v\u1ec1 ch\u1ed1n c\u0169 sau nh\u1eefng m\u00f9a \u0111\u00f4ng \u1edf n\u01a1i t\u1ea1m dung.<\/span><\/p>\n<p><span>Kh\u00e1c v\u1edbi c\u00e1c chi h\u1ecd c\u00fa kh\u00e1c, c\u00fa tuy\u1ebft sinh ho\u1ea1t v\u00e0o ban ng\u00e0y, khi tr\u1eddi s\u00e1ng. Trong m\u00f9a h\u00e8 B\u1eafc C\u1ef1c, c\u00fa tuy\u1ebft c\u00f3 th\u1ec3 \u2018ti\u00eau th\u1ee5\u2019 c\u1ea3 1,600 con lemming h\u00e0ng n\u0103m.<\/span><\/p>\n<p><span>Chim nhi \u0111\u1ed3ng c\u00f3 th\u1ec3 sinh s\u1ed1ng t\u1ea1i n\u01a1i kh\u00e1 xa ch\u1ed1n sinh th\u00e0nh, c\u00e1c chuy\u00ean gia v\u1ec1 m\u00f4i sinh \u0111\u00e3 ghi ch\u00e9p \u0111\u01b0\u1ee3c d\u1ea5u v\u1ebft di chuy\u1ec3n c\u1ee7a m\u1ed9t t\u1ed5 chim c\u00fa tuy\u1ebft; t\u1eeb Victoria Island trong v\u00f9ng B\u1eafc C\u1ef1c c\u1ee7a Canada, c\u00f3 con lang thang \u0111\u1ebfn t\u1eadn Hudson Bay, trong khi anh ch\u1ecb em bay \u0111\u1ebfn v\u00f9ng \u0111\u00f4ng nam Ontario, v\u00e0 c\u1ea3 b\u1edd bi\u1ec3n ph\u00eda \u0111\u00f4ng c\u1ee7a Nga S\u00f4. T\u1ea1m hi\u1ec3u l\u00e0 gia \u0111\u00ecnh kia tan \u0111\u00e0n x\u1ebb ngh\u00e9, m\u1ed7i con chim t\u1ea3n ra xa l\u1eafm, xa l\u1eafm!<\/span><span><br \/>\n<\/span><span><br \/>\n<\/span><span>L\u00f4ng v\u0169 r\u1ea5t d\u00e0y n\u00ean c\u00fa tuy\u1ebft c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c c\u00e1i l\u1ea1nh B\u1eafc C\u1ef1c, v\u00e0 c\u00f3 tu\u1ed5i th\u1ecd kh\u00e1 d\u00e0i so v\u1edbi c\u00e1c lo\u00e0i chim kh\u00e1c. Trong thi\u00ean nhi\u00ean, con chim \u201cgi\u00e0\u201d nh\u1ea5t, \u0111\u00e1nh d\u1ea5u t\u1ea1i Massachusetts n\u0103m 1988, \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y l\u1ea7n n\u1eefa v\u00e0o n\u0103m 2004, c\u00f3 s\u1ed1 tu\u1ed5i l\u00e0 16 n\u0103m, 8 th\u00e1ng. Khi \u0111\u01b0\u1ee3c nu\u00f4i d\u01b0\u1ee1ng, c\u00fa tuy\u1ebft c\u00f3 th\u1ec3 s\u1ed1ng \u0111\u1ebfn 30 n\u0103m.<\/span><\/p>\n<p><span>C\u00fa tuy\u1ebft th\u00edch s\u1ed1ng trong c\u00e1c v\u00f9ng \u0111\u1ea5t c\u00f3 c\u00e2y c\u1ed1i v\u00e0 kh\u00f4ng gian r\u1ed9ng. Chim s\u0103n m\u1ed3i n\u00ean th\u01b0\u1eddng ch\u1ecdn v\u1ecb tr\u00ed \u1edf tr\u00ean cao, d\u1ec5 quan s\u00e1t chung quanh. C\u00fa tuy\u1ebft ch\u1ecdn con m\u1ed3i l\u00e0 lo\u00e0i h\u1eefu nh\u0169, nh\u1ea5t l\u00e0 lemming; \u0111\u00f4i khi ch\u00fang \u0103n th\u1ecbt ptarmigan (g\u00e0 g\u00f4) v\u00e0 c\u00e1c lo\u00e0i chim bi\u1ec3n. \u0110\u00e2y l\u00e0 gi\u1ed1ng chim d\u1ec5 s\u1ed1ng, th\u00edch nghi v\u1edbi m\u00f4i tr\u01b0\u1eddng nhanh ch\u00f3ng, ch\u00fang ch\u1ee5p b\u1eaft c\u00e1c con chim nh\u1ecf kh\u00e1c tr\u00ean \u0111\u01b0\u1eddng bay. N\u00f3i gi\u1ea3n d\u1ecb l\u00e0 \u201cg\u1eb7p g\u00ec \u0103n n\u1ea5y\u201d t\u1eeb chu\u1ed9t, th\u1ecf \u0111\u1ebfn chim choc, v\u1ecbt, ng\u1ed7ng!<\/span><span><br \/>\n<\/span><span><br \/>\n<\/span><span> Chim tr\u1ed1ng ch\u1ecdn \u201cnh\u00e0\u201d hay l\u00e3nh th\u1ed5 v\u00e0 chim m\u00e1i x\u00e2y t\u1ed5 trong v\u00f9ng \u0111\u1ea5t nh\u00e0. Chim m\u00e1i x\u00e2y t\u1ed5 tr\u00ean m\u1eb7t \u0111\u1ea5t tr\u1ed1ng tr\u1ea3i, \u0111\u00e0o \u0111\u1ea5t b\u1eb1ng ch\u00e2n r\u1ed3i \u00e1p m\u00ecnh v\u00e0o l\u1ed7 tr\u1ed1ng \u0111\u1ec3 t\u1ea1o h\u00ecnh th\u1ec3, C\u00fa tuy\u1ebft x\u00e2y t\u1ed5 \u0111\u1ec3 \u0111\u1ebb tr\u1ee9ng trong kho\u1ea3ng 18-25 ng\u00e0y; \u0111\u1ebb m\u1ed7i l\u1ee9a kho\u1ea3ng 3-11 tr\u1ee9ng; tr\u1ee9ng \u1ea5p kho\u1ea3ng 32 ng\u00e0y th\u00ec n\u1edf th\u00e0nh chim non. Nhi \u0111\u1ed3ng m\u1edbi sanh th\u01b0\u1eddng m\u00f9, 5 ng\u00e0y sau m\u1edbi m\u1edf m\u1eaft. C\u00fa tuy\u1ebft c\u00f3 th\u1ec3 x\u00e0i \u0111i x\u00e0i l\u1ea1i t\u1ed5 c\u0169 trong nhi\u1ec1u n\u0103m.<\/span><\/p>\n<p><span>C\u00fa tuy\u1ebft l\u00e0m t\u1ed5 trong nh\u1eefng n\u01a1i h\u1ebbo l\u00e1nh v\u00e0 di chuy\u1ec3n n\u00ean con ng\u01b0\u1eddi kh\u00f3 l\u00f2ng t\u00ecm hi\u1ec3u v\u00e0 theo d\u00f5i ch\u00fang m\u1ed9t c\u00e1ch chi ti\u1ebft. Do \u0111\u00f3, ta kh\u00f4ng th\u1ec3 \u0111o\u00e1n ra c\u00f3 bao nhi\u00eau C\u00fa tuy\u1ebft hi\u1ec7n di\u1ec7n t\u1ea1i t\u1eebng \u0111\u1ecba ph\u01b0\u01a1ng.<\/span><\/p>\n<p><span>C\u00fa tuy\u1ebft l\u00e0 gi\u1ed1ng chim \u0111\u01b0\u1ee3c b\u1ea3o t\u1ed3n, ngh\u0129a l\u00e0 ta kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e9p s\u0103n b\u1eafn hay \u0111u\u1ed5i b\u1eaft.<\/span><\/p>\n<p><span>N\u0103m nay tr\u01b0\u1edbc nh\u1eefng c\u01a1n b\u00e3o tuy\u1ebft b\u1ea5t th\u01b0\u1eddng, nh\u01b0 c\u00e1c tr\u1eadn b\u00e3o do s\u1ef1 chuy\u1ec3n d\u1ecbch theo l\u1ed1c xo\u00e1y c\u1ee7a kh\u1ed1i b\u0103ng B\u1eafc C\u1ef1c, ta th\u1ea5y c\u00fa tuy\u1ebft xu\u1ea5t hi\u1ec7n kh\u00e1 \u0111\u00f4ng v\u00e0 c\u00e1c chuy\u00ean gia v\u1ec1 m\u00f4i sinh ph\u1ecfng \u0111o\u00e1n r\u1eb1ng C\u00fa tuy\u1ebft theo c\u00e1c t\u1ea3ng b\u0103ng B\u1eafc C\u1ef1c m\u00e0 \u0111i v\u1ec1 ph\u00eda Nam.<\/span><\/p>\n<p><span>Nh\u1eefng ng\u01b0\u1eddi y\u00eau chu\u1ed9ng chim ch\u00f3c \u0111\u00e3 b\u1eaft \u0111\u1ea7u ghi ch\u00e9p vi\u1ec7c \u201cnh\u00ecn th\u1ea5y\u201d c\u1ee7a h\u1ecd tr\u00ean trang m\u1ea1ng ebird. \u0110\u00e2y l\u00e0 m\u1ed9t trang nh\u00e0 do tr\u01b0\u1eddng \u0111\u1ea1i h\u1ecdc Cornell University c\u00f9ng the National Audubon Society th\u00e0nh l\u1eadp \u0111\u1ec3 t\u00ecm ki\u1ebfm v\u00e0 theo d\u00f5i d\u1ea5u v\u1ebft c\u00e1c lo\u00e0i chim di, \u0111\u1eb7c bi\u1ec7t l\u00e0 C\u00fa tuy\u1ebft.<\/span><\/p>\n<p><span>D\u01b0\u1eddng nh\u01b0 c\u00fa tuy\u1ebft \u01b0a chu\u1ed9ng phi tr\u01b0\u1eddng v\u00ec kho\u1ea3ng tr\u1ed1ng bao la, c\u1ecf c\u1eaft s\u00e1t g\u1ed1c \u0111\u01b0\u1ee3c ph\u1ee7 tuy\u1ebft n\u00ean tr\u00f4ng nh\u01b0 m\u1ed9t m\u1ed9t b\u00ecnh nguy\u00ean tr\u00ean B\u1eafc C\u1ef1c, n\u01a1i sinh tr\u01b0\u1edfng c\u1ee7a c\u00fa tuy\u1ebft. Do \u0111\u00f3, ch\u00fang qu\u00e2y qu\u1ea7n \u1edf phi tr\u01b0\u1eddng. Chim ch\u00f3c l\u00e0m t\u1ed5 quanh phi tr\u01b0\u1eddng l\u00e0 \u0111i\u1ec1u kh\u00f4ng hay v\u00ec c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ef1 an to\u00e0n c\u1ee7a m\u00e1y bay (l\u1ee1 chim chui v\u00e0o c\u00e1nh qu\u1ea1t) n\u00ean nh\u00e2n vi\u00ean an phi nh\u1ecdc l\u00f2ng xua \u0111u\u1ed5i. Sau khi nh\u00e2n vi\u00ean an ninh phi tr\u01b0\u1eddng New York v\u00e0 New Jersey b\u1eafn ch\u1ebft ba con c\u00fa tuy\u1ebft th\u00ec d\u01b0 lu\u1eadn n\u1ed5i l\u00ean than phi\u1ec1n, ph\u1ea3n \u0111\u1ed1i; h\u1ecd \u0111\u00e0nh ch\u1ecdn c\u00e1ch \u0111\u1eb7t b\u1eaby v\u00e0 \u0111\u1ed1t ph\u00e1o \u0111\u1ec3 xua \u0111u\u1ed5i c\u00fa tuy\u1ebft kh\u1ecfi v\u00f2ng \u0111ai phi tr\u01b0\u1eddng nh\u01b0ng kh\u00f4ng m\u1ea5y th\u00e0nh c\u00f4ng.<\/span><span><br \/>\n<\/span><span><br \/>\n<\/span><span> C\u00e1c chuy\u00ean gia c\u0169ng nh\u01b0 nh\u1eefng ng\u01b0\u1eddi ng\u1eafm chim ch\u00f3c \u0111\u1ec1u kh\u00f4ng bi\u1ebft t\u1ea1i sao n\u0103m nay c\u00fa tuy\u1ebft l\u01b0u l\u1ea1c m\u00e3i \u0111\u1ebfn v\u00f9ng B\u1eafc M\u1ef9 v\u00e0 v\u1edbi con s\u1ed1 \u0111\u00f4ng \u0111\u1ea3o nh\u01b0 th\u1ebf. C\u00f3 th\u1ec3 l\u00e0 do th\u1ee9c \u0103n d\u01b0 th\u1eeba v\u00e0 kh\u00ed h\u1eadu t\u1ea1i B\u1eafc C\u1ef1c c\u00f3 ph\u1ea7n \u1ea5m \u00e1p n\u00ean c\u00fa tuy\u1ebft sinh s\u1ea3n r\u1ea7m r\u1ed9 v\u00e0 ph\u1ea3i \u201cdi t\u1ea3n\u201d \u0111\u1ebfn nh\u1eefng n\u01a1i xa x\u00f4i \u0111\u1ec3 sinh t\u1ed3n?<\/span><\/p>\n<p><span>Tuy nhi\u00ean theo Ti\u1ebfn S\u0129 Kevin J. McGowan, m\u1ed9t chuy\u00ean vi\u00ean t\u1ea1i Cornell, nh\u1eefng chi ti\u1ebft ghi ch\u00e9p \u0111\u01b0\u1ee3c t\u1eeb c\u00e1c m\u1ea9u \u201cchip\u201d g\u1eafn tr\u00ean m\u1ed9t s\u1ed1 c\u00fa tuy\u1ebft, lo\u00e0i chim n\u00e0y thay v\u00ec bay v\u1ec1 mi\u1ec1n nam n\u1eafng \u1ea5m, c\u0169ng bay l\u00ean ph\u00eda B\u1eafc v\u00e0 s\u0103n m\u1ed3i t\u1eeb c\u00e1c v\u0169ng b\u0103ng n\u01a1i v\u1ecbt bi\u1ec3n v\u00e0 c\u00e1c lo\u00e0i chim bi\u1ec3n kh\u00e1c sinh s\u1ed1ng. N\u00f3i m\u1ed9t c\u00e1ch kh\u00e1c, gi\u1ea3 thuy\u1ebft th\u1ee9c \u0103n d\u01b0 th\u1eeba v\u00e0 sinh s\u1ea3n r\u1ea7m r\u1ed9 n\u00ean c\u00fa tuy\u1ebft xu\u00f4i Nam ki\u1ebfm s\u1ed1ng kh\u00f4ng m\u1ea5y thuy\u1ebft ph\u1ee5c khi \u0111\u1ed1i ch\u1ee9ng v\u1edbi c\u00e1c d\u1eef ki\u1ec7n thu g\u00f3p \u0111\u01b0\u1ee3c.<\/span><\/p>\n<p><span>Gi\u00e1o S\u01b0 McGowan ph\u1ecfng \u0111o\u00e1n r\u1eb1ng kh\u00ed h\u1eadu thay \u0111\u1ed5i, b\u0103ng B\u1eafc C\u1ef1c \u0111ang tan d\u1ea7n t\u1ea1o n\u00ean nhi\u1ec1u con \u0111\u01b0\u1eddng m\u1edbi \u1edf ph\u00eda B\u1eafc. \u0110\u00e2y l\u00e0 v\u00f9ng m\u00f4i sinh \u0111ang thay \u0111\u1ed5i d\u1eef d\u1ed9i n\u00ean c\u00fa tuy\u1ebft xu\u00f4i Nam nhi\u1ec1u h\u01a1n l\u00e0 bay v\u1ec1 h\u01b0\u1edbng B\u1eafc. Vi\u1ec7c chim di t\u1eebng \u0111\u00e0n l\u1edbn l\u00e0 m\u1ed9t hi\u1ec7n t\u01b0\u1ee3ng c\u1ea7n \u0111\u01b0\u1ee3c t\u00ecm hi\u1ec3u v\u00e0 theo d\u00f5i v\u00ec d\u1eef ki\u1ec7n n\u00e0y c\u00f3 th\u1ec3 d\u1ef1 b\u00e1o c\u00e1c thay \u0111\u1ed5i l\u1edbn trong thi\u00ean nhi\u00ean.<\/span><\/p>\n<p><span>Trong khi ta ch\u01b0a hi\u1ec3u r\u00f5 r\u00e0ng v\u1ec1 hi\u1ec7n t\u01b0\u1ee3ng thi\u00ean di c\u1ee7a c\u00fa tuy\u1ebft, vi\u1ec7c s\u1eed d\u1ee5ng k\u1ef9 thu\u1eadt \u0111\u1ecbnh v\u1ecb v\u00e0 d\u1ee5ng c\u1ee5 theo d\u00f5i s\u1ebd cung c\u1ea5p nhi\u1ec1u d\u1eef ki\u1ec7n m\u1edbi m\u1ebb v\u1ec1 C\u00fa tuy\u1ebft n\u00f3i ri\u00eang v\u00e0 c\u00e1c hi\u1ec7n t\u01b0\u1ee3ng thi\u00ean nhi\u00ean kh\u00e1c n\u00f3i chung. Theo \u00f4ng Chris Wood, m\u1ed9t chuy\u00ean vi\u00ean kh\u00e1c t\u1ea1i Cornell, m\u1ed7i th\u00e1ng, ta thu g\u00f3p \u0111\u01b0\u1ee3c d\u1eef li\u1ec7u t\u1eeb 3-5 tri\u1ec7u b\u1ea3n t\u01b0\u1eddng tr\u00ecnh kh\u1eafp n\u01a1i tr\u00ean eBird.<\/span><span><br \/>\n<\/span><span><br \/>\n<\/span><span> Kho d\u1eef li\u1ec7u eBird s\u1ebd cung c\u1ea5p nhi\u1ec1u d\u1eef ki\u1ec7n v\u1ec1 c\u00fa tuy\u1ebft, gi\u00fap c\u00e1c chuy\u00ean vi\u00ean so s\u00e1nh v\u00e0 t\u00ecm hi\u1ec3u d\u1ec5 d\u00e0ng h\u01a1n. \u0110\u00e2y l\u00e0 m\u1ed9t d\u1ef1 \u00e1n m\u00e0 ng\u01b0\u1eddi y\u00eau chu\u1ed9ng chim ch\u00f3c c\u00f3 th\u1ec3 tr\u1ef1c ti\u1ebfp \u0111\u00f3ng g\u00f3p \u0111\u00f3ng g\u00f3p v\u1edbi chuy\u00ean vi\u00ean trong vi\u1ec7c h\u1ecdc h\u1ecfi v\u1ec1 s\u1ef1 thay \u0111\u1ed5i c\u1ee7a thi\u00ean nhi\u00ean chung quanh.<\/span><\/p>\n<p>The post <a href=\"https:\/\/saigonnhonews.com\/doi-song\/nhung-con-cu-tuyet-di-tan\/\" target=\"_blank\" rel=\"noopener\">Nh\u1eefng con c\u00fa tuy\u1ebft di t\u1ea3n<\/a> appeared first on <a href=\"https:\/\/saigonnhonews.com\/\" target=\"_blank\" rel=\"noopener\">Saigon Nh\u1ecf<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p>Chim bay v\u1ec1 ph\u01b0\u01a1ng Nam tr\u1ed1n m\u00f9a tuy\u1ebft gi\u00e1 l\u00e0 chuy\u1ec7n x\u1ea3y ra h\u00e0ng n\u0103m, t\u1eeb \u0110\u00f4ng sang T\u00e2y, t\u1eeb \u00c1 Ch\u00e2u \u0111\u1ebfn M\u1ef9 Ch\u00e2u; nh\u01b0ng l\u1ea1 l\u00f9ng l\u00e0 n\u0103m nay, ng\u01b0\u1eddi ta b\u1eaft \u0111\u1ea7u th\u1ea5y nh\u1eefng con chim sinh s\u1ed1ng \u1edf B\u1eafc C\u1ef1c c\u0169ng\u2026 xu\u00f4i Nam! L\u1ea1 l\u1eafm b\u1ea1n \u1ea1, nhi\u1ec1u n\u01a1i t\u1ea1i Hu\u00ea &hellip;<\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[72],"tags":[],"class_list":["post-63038","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-entertainment"],"_links":{"self":[{"href":"https:\/\/vietvalley.com\/en\/wp-json\/wp\/v2\/posts\/63038","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vietvalley.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vietvalley.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vietvalley.com\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/vietvalley.com\/en\/wp-json\/wp\/v2\/comments?post=63038"}],"version-history":[{"count":0,"href":"https:\/\/vietvalley.com\/en\/wp-json\/wp\/v2\/posts\/63038\/revisions"}],"wp:attachment":[{"href":"https:\/\/vietvalley.com\/en\/wp-json\/wp\/v2\/media?parent=63038"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vietvalley.com\/en\/wp-json\/wp\/v2\/categories?post=63038"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vietvalley.com\/en\/wp-json\/wp\/v2\/tags?post=63038"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}