T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 2 – Arkady Leokum<\/p>\n\n\n\n
S\u1ef1 di tr\u00fa c\u1ee7a nhi\u1ec1u gi\u1ed1ng chim \u0111\u00e3 l\u00e0m cho nh\u1eefng ng\u01b0\u1eddi c\u1ed5 x\u01b0a ph\u1ea3i ng\u1ea1c nhi\u00ean. T\u1eeb tr\u01b0\u1edbc C\u00f4ng nguy\u00ean c\u1ea3 ng\u00e0n n\u0103m, Homer \u0111\u00e3 n\u00f3i \u0111\u1ebfn s\u1ef1 ki\u1ec7n n\u00e0y r\u1ed3i. R\u1ed3i c\u00e1c tri\u1ebft gia Hy L\u1ea1p nh\u01b0 Aristotle c\u0169ng \u0111\u00e3 nghi\u00ean c\u1ee9u v\u1ea5n \u0111\u1ec1 n\u00e0y. V\u1eady m\u00e0, m\u1ea5y ng\u00e0n n\u0103m sau v\u1edbi k\u1ef9 thu\u1eadt t\u00e2n k\u1ef3 m\u00e0 ng\u01b0\u1eddi ta v\u1eabn ch\u01b0a tr\u1ea3 l\u1eddi \u0111\u01b0\u1ee3c m\u1ed9t c\u00e1ch \u0111\u1ea7y \u0111\u1ee7 m\u1ecdi th\u1eafc m\u1eafc li\u00ean quan \u0111\u1ebfn hi\u1ec7n t\u01b0\u1ee3ng h\u1ea5p d\u1eabn n\u00e0y.<\/p>\n\n\n\n
Th\u1ebf n\u00e0o l\u00e0 di tr\u00fa? L\u00e0 v\u00e0o m\u00f9a thu chim t\u1eeb ph\u01b0\u01a1ng b\u1eafc bay v\u1ec1 ph\u01b0\u01a1ng nam, v\u00e0o m\u00f9a xu\u00e2n, chim di chuy\u1ec3n theo h\u01b0\u1edbng ng\u01b0\u1edbc l\u1ea1i. C\u0169ng c\u00f2n c\u00f3 ngh\u0129a l\u00e0 chim di chuy\u1ec3n t\u1eeb v\u00f9ng th\u1ea5p \u0111\u1ebfn v\u00f9ng cao, t\u1eeb n\u1ed9i \u0111\u1ecba ra b\u1edd bi\u1ec3n v\u00e0 ng\u01b0\u1ee3c l\u1ea1i. T\u1ea1i sao chim l\u1ea1i ph\u1ea3i di tr\u00fa nh\u01b0 th\u1ebf \u0111\u1ec3 l\u00e0m g\u00ec? T\u1ea1i v\u00ec ch\u00fang ph\u1ea3i \u0111i \u0111\u1ebfn v\u00f9ng kh\u00ed h\u1eadu \u1ea5m \u00e1p h\u01a1n, v\u00ec ch\u00fang kh\u00f4ng ch\u1ecbu n\u1ed5i \u0111i\u1ec1u ki\u1ec7n m\u00f9a \u0111\u00f4ng kh\u1eafc nghi\u1ec7t. V\u00ec ch\u00fang quen \u0103n m\u1ed9t lo\u1ea1i c\u00f4n tr\u00f9ng, th\u1ef1c ph\u1ea9m n\u00e0o \u0111\u00f3 m\u00e0 v\u00e0o m\u00f9a \u0111\u00f4ng \u1edf ph\u01b0\u01a1ng b\u1eafc kh\u00f4ng c\u00f3. \u0111i\u1ec1u k\u1ef3 c\u1ee5c l\u00e0 kh\u00f4ng ph\u1ea3i ch\u1ec9 v\u00ec nhi\u1ec7t \u0111\u1ed9 m\u00e0 khi\u1ebfn cho h\u1ea7u h\u1ebft chim ph\u01b0\u01a1ng b\u1eafc ph\u1ea3i di tr\u00fa. N\u1ebfu c\u00f3 \u0111\u1ee7 th\u1ef1c ph\u1ea9m th\u00ec v\u1edbi nhi\u1ec7t \u0111\u1ed9 -400C chim y\u1ebfn v\u1eabn s\u1ed1ng \u0111\u01b0\u1ee3c kia m\u00e0!<\/p>\n\n\n\n
D\u00f9 b\u1ea5t c\u1ee9 l\u00fd do g\u00ec – v\u00e0 nh\u01b0 ta bi\u1ebft, nhi\u1ec1u l\u00fd do l\u1eafm – khi\u1ebfn chim ph\u1ea3i di tr\u00fa th\u00ec b\u1eb1ng c\u00e1ch n\u00e0o ch\u00fang bi\u1ebft \u0111\u01b0\u1ee3c khi n\u00e0o th\u00ec ph\u1ea3i bay m\u1ed9t cu\u1ed9c h\u00e0nh tr\u00ecnh d\u00e0i d\u1eb1ng d\u1eb7c nh\u01b0 v\u1eady \u0111\u1ec3 m\u00e0 chu\u1ea9n b\u1ecb tr\u01b0\u1edbc c\u1ea3 th\u00e1ng? L\u00e0m sao no b\u00e9o v\u00e0 \u0111\u1ee7 s\u1ee9c \u0111\u1ec3 th\u1ef1c hi\u1ec7n cu\u1ed9c h\u00e0nh tr\u00ecnh \u0111\u00f3? Ta \u0111\u00e3 bi\u1ebft, chim di tr\u00fa m\u1ed7i n\u0103m \u0111\u00fang v\u00e0o th\u1eddi ti\u1ebft (m\u00f9a) \u0111ang thay \u0111\u1ed5i. C\u00e1i g\u00ec l\u00e0 manh m\u1ed1i ch\u1eafc ch\u1eafn nh\u1ea5t kh\u00f4ng th\u1ec3 sai l\u1ea7m cho bi\u1ebft th\u1eddi ti\u1ebft (m\u00f9a) \u0111ang thay \u0111\u1ed5i. Coi v\u1eady m\u00e0 h\u00f3a ra\u2026 \u0111\u01a1n gi\u1ea3n. \u0111\u00f3 l\u00e0 th\u1eddi gian c\u1ee7a m\u1ed9t ng\u00e0y, t\u1ee9c l\u00e0 \u0111\u1ed9 d\u00e0i c\u1ee7a ng\u00e0y. Ng\u01b0\u1eddi ta cho r\u1eb1ng chim bi\u1ebft th\u1eddi k\u1ef3 m\u00e0 ng\u00e0y tr\u1edf n\u00ean ng\u1eafn d\u1ea7n (v\u00e0o m\u00f9a \u0111\u00f4ng) v\u00e0 d\u00e0i d\u1ea7n (v\u00e0o m\u00f9a xu\u00e2n). \u0111\u00f3 ch\u00ednh l\u00e0 c\u00e1i \u201c\u0111\u1ed3ng h\u1ed3 b\u00e1o \u0111\u1ed9ng\u201d gi\u1edd l\u00ean \u0111\u01b0\u1eddng c\u1ee7a lo\u00e0i chim.<\/p>\n\n\n\n
V\u00ec m\u00f9a sinh n\u1edf c\u1ee7a lo\u00e0i chim l\u00e0 m\u00f9a h\u00e8, n\u00ean vi\u1ec7c di tr\u00fa c\u0169ng c\u00f3 li\u00ean quan \u0111\u1ebfn vi\u1ec7c sinh n\u1edf. Ch\u1ec9 v\u00ec v\u1eady m\u00e0 chim bay v\u1ec1 ph\u01b0\u01a1ng b\u1eafc. M\u1ed9t v\u00e0i tuy\u1ebfn n\u00e0o \u0111\u00f3 c\u1ee7a chim b\u1eaft \u0111\u1ea7u ti\u1ebft ra m\u1ed9t h\u00f3a ch\u1ea5t khi\u1ebfn cho chim c\u00f3 \u201cnhu c\u1ea7u\u201d sinh \u0111\u1ebb. S\u1ef1 ki\u1ec7n n\u00e0y x\u1ea3y ra v\u00e0o m\u00f9a xu\u00e2n. Chim c\u1ea3m th\u1ea5y nhu c\u1ea7u, do \u0111\u00f3, quay \u0111\u1ea7u v\u1ec1 ph\u01b0\u01a1ng b\u1eafc, n\u01a1i m\u00f9a h\u00e8 s\u1eafp b\u1eaft \u0111\u1ea7u.<\/p>\n\n\n\n
V\u1eady s\u1ef1 thay \u0111\u1ed5i \u201cchi\u1ec1u d\u00e0i\u201d c\u1ee7a m\u1ed9t ng\u00e0y v\u00e0 s\u1ef1 bi\u1ebfn m\u1ea5t d\u1ea7n c\u1ee7a th\u1ef1c ph\u1ea9m \u0111\u00e3 th\u00f4i th\u00fac chim bay v\u1ec1 n\u01a1i \u1ea5m \u00e1p h\u01a1n. B\u1ea3n n\u0103ng sinh \u0111\u1ebb v\u00e0o m\u00f9a xu\u00e2n th\u00f4i th\u00fac chim quay \u0111\u1ea7u bay v\u1ec1 ph\u01b0\u01a1ng b\u1eafc. C\u00f3 nhi\u1ec1u \u0111\u1ed9ng l\u1ef1c kh\u00e1c n\u1eefa g\u00f3p ph\u1ea7n v\u00e0o hi\u1ec7n t\u01b0\u1ee3ng di tr\u00fa c\u1ee7a lo\u00e0i chim m\u00e0 cho \u0111\u1ebfn ng\u00e0y nay ta v\u1eabn ch\u01b0a bi\u1ebft \u0111\u1ebfn. Nh\u01b0ng hai \u0111\u1ed9ng l\u1ef1c v\u1eeba k\u1ec3 l\u00e0 nh\u1eefng \u0111\u1ed9ng l\u1ef1c ch\u1ee7 y\u1ebfu.<\/p>\n","protected":false},"excerpt":{"rendered":"
T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 2 – Arkady Leokum S\u1ef1 di tr\u00fa c\u1ee7a nhi\u1ec1u gi\u1ed1ng chim \u0111\u00e3 l\u00e0m cho nh\u1eefng ng\u01b0\u1eddi c\u1ed5 x\u01b0a ph\u1ea3i ng\u1ea1c nhi\u00ean. T\u1eeb tr\u01b0\u1edbc C\u00f4ng nguy\u00ean c\u1ea3 ng\u00e0n n\u0103m, Homer \u0111\u00e3 n\u00f3i \u0111\u1ebfn s\u1ef1 ki\u1ec7n n\u00e0y r\u1ed3i. R\u1ed3i c\u00e1c tri\u1ebft gia Hy L\u1ea1p nh\u01b0 […]<\/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],"tags":[],"class_list":["post-13826","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/13826","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=13826"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/13826\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=13826"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=13826"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=13826"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}