N\u00f3i \u0111\u1ebfn ch\u00e2u ch\u1ea5u, ng\u01b0\u1eddi ta s\u1ebd li\u00ean t\u01b0\u1edfng ngay \u0111\u1ebfn \u0111\u00e0n ch\u00e2u ch\u1ea5u ph\u1ee7 r\u1ee3p tr\u1eddi k\u00edn \u0111\u1ea5t. N\u0103m 1889, tr\u00ean b\u1ea7u tr\u1eddi c\u1ee7a Bi\u1ec3n \u0110\u1ecf \u0111\u00e3 xu\u1ea5t hi\u1ec7n \u0111\u00e0n ch\u00e2u ch\u1ea5u l\u1edbn nh\u1ea5t t\u1eeb tr\u01b0\u1edbc \u0111\u1ebfn nay trong l\u1ecbch s\u1eed, \u01b0\u1edbc t\u00ednh c\u00f3 kho\u1ea3ng 250 t\u1ec9 con, khi ch\u00fang bay gi\u1ed1ng nh\u01b0 m\u1ed9t \u0111\u00e1m m\u00e2y \u0111en l\u1edbn c\u00f3 s\u1ef1 s\u1ed1ng che khu\u1ea5t \u00e1nh s\u00e1ng M\u1eb7t Tr\u1eddi, l\u00e0m cho m\u1eb7t \u0111\u1ea5t t\u1ed1i m\u1edd m\u1ecbt. Qu\u1ea3 th\u1ef1c ch\u00e2u ch\u1ea5u cho d\u00f9 l\u00e0 bay \u1edf tr\u00ean tr\u1eddi hay \u0111\u1ed7 d\u01b0\u1edbi m\u1eb7t \u0111\u1ea5t v\u1eabn duy tr\u00ec t\u00ednh h\u1ee3p qu\u1ea7n, \u0111\u00e2y l\u00e0 th\u00f3i quen sinh s\u1ed1ng c\u1ee7a ch\u00fang v\u00e0 l\u00e0 k\u1ebft qu\u1ea3 \u1ea3nh h\u01b0\u1edfng c\u1ee7a m\u00f4i tr\u01b0\u1eddng.<\/p>\n\n\n\n
Ch\u00e2u ch\u1ea5u th\u00edch ho\u1ea1t \u0111\u1ed9ng th\u00e0nh \u0111\u00e0n c\u00f3 quan h\u1ec7 r\u1ea5t l\u1edbn \u0111\u1ebfn th\u00f3i quen \u0111\u1ebb tr\u1ee9ng c\u1ee7a ch\u00fang. Khi ch\u00e2u ch\u1ea5u \u0111\u1ebb tr\u1ee9ng, ch\u00fang l\u1ef1a ch\u1ecdn n\u01a1i \u0111\u1ebb tr\u1ee9ng r\u1ea5t k\u0129 l\u01b0\u1ee1ng. N\u00f3i chung th\u00edch h\u1ee3p nh\u1ea5t l\u00e0 m\u00f4i tr\u01b0\u1eddng c\u00f3 ch\u1ea5t \u0111\u1ea5t c\u1ee9ng, c\u00f3 \u0111\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i v\u00e0 c\u00f3 \u00e1nh s\u00e1ng M\u1eb7t Tr\u1eddi tr\u1ef1c ti\u1ebfp chi\u1ebfu v\u00e0o. Tr\u00ean c\u00e1nh \u0111\u1ed3ng r\u1ed9ng l\u1edbn, khu v\u1ef1c c\u00f3 th\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi nh\u1eefng \u0111i\u1ec1u ki\u1ec7n n\u00e0y t\u01b0\u01a1ng \u0111\u1ed1i \u00edt, do v\u1eady, ch\u00fang th\u01b0\u1eddng t\u1eadp trung \u0111\u1ebb tr\u1ee9ng h\u00e0ng lo\u1ea1t \u1edf trong m\u1ed9t di\u1ec7n t\u00edch kh\u00f4ng l\u1edbn l\u1eafm, th\u00eam v\u00e0o \u0111\u00f3 s\u1ef1 ch\u00eanh l\u1ec7ch \u0111\u1ed9 \u1ea9m trong khu v\u1ef1c n\u00e0y r\u1ea5t th\u1ea5p, gi\u00fap tr\u1ee9ng n\u1edf \u0111\u1ed3ng th\u1eddi, \u0111\u1ebfn m\u1ee9c ch\u00e2u ch\u1ea5u non v\u1eeba ra \u0111\u1eddi \u0111\u00e3 h\u00ecnh th\u00e0nh th\u00f3i quen sinh s\u1ed1ng d\u1ef1a v\u00e0o nhau, \u0111i theo nhau.<\/p>\n\n\n\n
Ch\u00e2u ch\u1ea5u do ph\u1ea3i sinh s\u1ed1ng th\u00e0nh \u0111\u00e0n n\u00ean c\u0169ng c\u00f3 li\u00ean quan \u0111\u1ebfn nhu c\u1ea7u v\u1ec1 m\u1eb7t sinh l\u00ed c\u1ee7a ch\u00fang. Ch\u00fang c\u1ea7n nhi\u1ec7t \u0111\u1ed9 c\u01a1 th\u1ec3 t\u01b0\u01a1ng \u0111\u1ed1i cao \u0111\u1ec3 th\u00fac \u0111\u1ea9y v\u00e0 th\u00edch \u1ee9ng ch\u1ee9c n\u0103ng sinh l\u00ed. V\u00ec v\u1eady, m\u1ed9t m\u1eb7t ch\u00fang c\u1ea7n s\u1ed1ng th\u00e0nh \u0111\u00e0n, g\u1eafn b\u00f3 ch\u1eb7t ch\u1ebd v\u1edbi nhau, chen ch\u00fac nhau \u0111\u1ec3 duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 trong c\u01a1 th\u1ec3, l\u00e0m cho nhi\u1ec7t l\u01b0\u1ee3ng kh\u00f4ng b\u1ecb m\u1ea5t \u0111i; m\u1eb7t kh\u00e1c l\u1ea1i ph\u1ea3i \u0111\u01b0\u1ee3c b\u1ed5 sung nhi\u1ec7t kh\u00f4ng ng\u1eebng t\u1eeb trong m\u00f4i tr\u01b0\u1eddng, l\u00e0m cho nhi\u1ec7t \u0111\u1ed9 c\u01a1 th\u1ec3 ti\u1ebfp t\u1ee5c t\u0103ng l\u00ean, t\u0103ng c\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng sinh l\u00ed.<\/p>\n\n\n\n
Ch\u00e2u ch\u1ea5u ho\u1ea1t \u0111\u1ed9ng th\u00e0nh \u0111\u00e0n \u0111\u1ec1u c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m sinh l\u00ed chung n\u00e0y, b\u1edfi v\u1eady, tr\u01b0\u1edbc khi ch\u00fang k\u1ebft \u0111\u00e0n bay, ch\u1ec9 c\u1ea7n c\u00f3 v\u00e0i con bay l\u01b0\u1ee3n v\u00f2ng tr\u00ean kh\u00f4ng trung tr\u01b0\u1edbc ti\u00ean, r\u1ea5t nhanh ch\u00f3ng s\u1ebd \u0111\u01b0\u1ee3c nh\u1eefng con ch\u00e2u ch\u1ea5u d\u01b0\u1edbi m\u1eb7t \u0111\u1ea5t c\u1ea3m \u1ee9ng v\u00e0 \u0111\u1ed3ng lo\u1ea1t bay l\u00ean, nh\u01b0 v\u1eady \u0111\u1ed9i ng\u0169 c\u1ee7a ch\u00fang s\u1ebd \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh nhanh ch\u00f3ng, v\u00e0 s\u1ed1 l\u01b0\u1ee3ng c\u0169ng ng\u00e0y c\u00e0ng nhi\u1ec1u l\u00ean.<\/p>\n","protected":false},"excerpt":{"rendered":"
N\u00f3i \u0111\u1ebfn ch\u00e2u ch\u1ea5u, ng\u01b0\u1eddi ta s\u1ebd li\u00ean t\u01b0\u1edfng ngay \u0111\u1ebfn \u0111\u00e0n ch\u00e2u ch\u1ea5u ph\u1ee7 r\u1ee3p tr\u1eddi k\u00edn \u0111\u1ea5t. N\u0103m 1889, tr\u00ean b\u1ea7u tr\u1eddi c\u1ee7a Bi\u1ec3n \u0110\u1ecf \u0111\u00e3 xu\u1ea5t hi\u1ec7n \u0111\u00e0n ch\u00e2u ch\u1ea5u l\u1edbn nh\u1ea5t t\u1eeb tr\u01b0\u1edbc \u0111\u1ebfn nay trong l\u1ecbch s\u1eed, \u01b0\u1edbc t\u00ednh c\u00f3 kho\u1ea3ng 250 t\u1ec9 con, khi ch\u00fang bay gi\u1ed1ng nh\u01b0 m\u1ed9t […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[15,10],"tags":[],"class_list":["post-8324","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-sinh-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8324","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=8324"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8324\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=8324"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=8324"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=8324"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}