Trong r\u1eebng s\u00e2u, th\u01b0\u1eddng c\u00f3 th\u1ec3 nghe th\u1ea5y \u00e2m thanh c\u1ee7a chim g\u00f5 ki\u1ebfn d\u00f9ng m\u1ecf m\u1ed5 “c\u1ed1c, c\u1ed1c, c\u1ed1c” v\u00e0o th\u00e2n c\u00e2y. \u0110\u00f3 l\u00e0 chim g\u00f5 ki\u1ebfn \u0111ang “ch\u1eefa b\u1ec7nh” cho nh\u1eefng c\u00e2y b\u1ecb c\u00f4n tr\u00f9ng c\u00f3 h\u1ea1i x\u00e2m nh\u1eadp \u0111\u1ea5y !<\/p>\n\n\n\n
Khi chim g\u00f5 ki\u1ebfn ph\u00e1t hi\u1ec7n ra c\u00e2y c\u00f3 c\u00f4n tr\u00f9ng li\u1ec1n m\u1ed5 v\u1ee1 c\u00e2y, d\u00f9ng chi\u1ebfc l\u01b0\u1ee1i d\u00e0i, nh\u1ecf, c\u00f3 th\u1ec3 co du\u1ed7i t\u1ef1 do, ph\u1ea7n tr\u01b0\u1edbc c\u00f3 m\u1ecdc ra m\u00f3c c\u00e2u ng\u1eafn v\u00e0 c\u00f3 n\u01b0\u1edbc d\u00e3i r\u1ea5t d\u00ednh \u0111\u01b0a s\u00e2u v\u00e0o trong c\u00e2y, l\u00f4i c\u00f4n tr\u00f9ng c\u00f3 h\u1ea1i ra ngo\u00e0i v\u00e0 \u0103n th\u1ecbt ch\u00fang. \u0110\u1ec3 b\u1eaft \u0111\u01b0\u1ee3c c\u00f4n tr\u00f9ng c\u00f3 h\u1ea1i \u1edf n\u01a1i s\u00e2u c\u1ee7a th\u00e2n c\u00e2y, \u0111\u1ea7u c\u1ee7a n\u00f3 v\u00e0 th\u00e2n c\u00e2y g\u1ea7n nh\u01b0 th\u00e0nh g\u00f3c 900, v\u00e0 m\u1ed5 c\u1ed1c, c\u1ed1c, c\u1ed1c\u2026 T\u1eeb s\u1edbm \u0111\u1ebfn t\u1ed1i g\u00f5 kh\u00f4ng ng\u1eebng ngh\u1ec9. N\u1ebfu v\u00e0o m\u00f9a sinh \u0111\u1ebb, n\u00f3 g\u00f5 c\u00e0ng h\u0103ng say h\u01a1n, th\u1eadm ch\u00ed c\u00f2n d\u00f9ng ti\u1ebfng g\u00f5 g\u1ed7 \u0111\u1ec3 “h\u00e1t \u0111\u1ed1i” tranh gi\u00e0nh khu v\u1ef1c.<\/p>\n\n\n\n
Theo \u0111i\u1ec1u tra, chim g\u00f5 ki\u1ebfn m\u1ed9t ng\u00e0y c\u00f3 th\u1ec3 ph\u00e1t ra h\u01a1n 500 – 600 l\u1ea7n ti\u1ebfng g\u00f5 g\u1ed7, t\u1ed1c \u0111\u1ed9 m\u1ed7i m\u1ed9t l\u1ea7n g\u00f5 \u0111\u1ea1t \u0111\u1ebfn 555 m\/s, g\u1ea5p 1,4 l\u1ea7n t\u1ed1c \u0111\u1ed9 \u00e2m thanh trong kh\u00f4ng kh\u00ed v\u00e0 t\u1ed1c \u0111\u1ed9 l\u1eafc l\u01b0 \u0111\u1ea7u nhanh h\u01a1n, kho\u1ea3ng 580 m\/s, t\u1ed1c \u0111\u1ed9 c\u00f2n nhanh h\u01a1n so v\u1edbi vi\u00ean \u0111\u1ea1n khi ra kh\u1ecfi n\u00f2ng s\u00fang. Khi g\u00f5 g\u1ed7, l\u1ef1c g\u00f5 v\u00e0o m\u00e0 \u0111\u1ea7u c\u1ee7a n\u00f3 ph\u1ea3i ch\u1ecbu t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi 1000 l\u1ea7n tr\u1ecdng l\u1ef1c ph\u1ea3i ch\u1ecbu. T\u1ea1i sao \u0111\u1ea7u c\u1ee7a chim g\u00f5 ki\u1ebfn ch\u1ecbu \u0111\u01b0\u1ee3c l\u1ef1c g\u00f5 v\u00e0o l\u1edbn \u0111\u1ebfn nh\u01b0 v\u1eady, l\u1ea1i v\u1eabn b\u00ecnh y\u00ean v\u00f4 s\u1ef1, m\u00e0 kh\u00f4ng b\u1ecb ch\u1ea5n \u0111\u1ed9ng n\u00e3o?<\/p>\n\n\n\n
C\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 gi\u1ea3i ph\u1eabu \u0111\u1ea7u c\u1ee7a chim g\u00f5 ki\u1ebfn, ph\u00e1t hi\u1ec7n th\u1ea5y b\u00ed m\u1eadt n\u1eb1m \u1edf ph\u1ea7n \u0111\u1ea7u. \u0110\u1ea7u g\u00f5 ki\u1ebfn c\u00f3 m\u1ed9t b\u1ed9 ph\u1eadn ch\u1ed1ng rung ch\u1eb7t ch\u1ebd. \u0110\u1ea7u c\u1ee7a chim g\u00f5 ki\u1ebfn r\u1ea5t c\u1ee9ng, nh\u01b0ng ch\u1ea5t x\u01b0\u01a1ng l\u1ea1i gi\u1ed1ng nh\u01b0 h\u1ea3i mi\u00ean, v\u1eeba x\u1ed1p v\u1eeba \u0111\u1ea7y th\u1ec3 kh\u00ed, trong v\u1ecf s\u1ecd c\u00f3 m\u1ed9t l\u1edbp m\u00e0ng n\u00e3o ngo\u00e0i r\u1ea5t b\u1ec1n v\u1eefng, ki\u00ean c\u1ed1, c\u00f3 m\u1ed9t khe h\u1edf h\u1eb9p, c\u00f3 th\u1ec3 l\u00e0m y\u1ebfu \u0111i s\u1ef1 truy\u1ec1n d\u1eabn c\u1ee7a s\u00f3ng dao \u0111\u1ed9ng. T\u1eeb m\u1eb7t c\u1eaft ngang c\u1ee7a ph\u1ea7n \u0111\u1ea7u cho th\u1ea5y t\u1ed5 ch\u1ee9c n\u00e3o c\u1ee7a n\u00f3 r\u1ea5t ch\u1eb7t ch\u1ebd. Th\u00eam v\u00e0o \u0111\u00f3 hai b\u00ean \u0111\u1ea7u c\u1ee7a chim g\u00f5 ki\u1ebfn c\u00f2n c\u00f3 h\u1ec7 th\u1ed1ng c\u01a1 th\u1ecbt r\u1ea5t kho\u1ebb, c\u00f3 t\u00e1c d\u1ee5ng ch\u1ed1ng rung. Nh\u01b0 v\u1eady, chim g\u00f5 ki\u1ebfn khi g\u00f5 c\u00e2y kh\u00f4ng b\u1ecb ch\u1ea5n \u0111\u1ed9ng n\u00e3o.<\/p>\n","protected":false},"excerpt":{"rendered":"
Trong r\u1eebng s\u00e2u, th\u01b0\u1eddng c\u00f3 th\u1ec3 nghe th\u1ea5y \u00e2m thanh c\u1ee7a chim g\u00f5 ki\u1ebfn d\u00f9ng m\u1ecf m\u1ed5 “c\u1ed1c, c\u1ed1c, c\u1ed1c” v\u00e0o th\u00e2n c\u00e2y. \u0110\u00f3 l\u00e0 chim g\u00f5 ki\u1ebfn \u0111ang “ch\u1eefa b\u1ec7nh” cho nh\u1eefng c\u00e2y b\u1ecb c\u00f4n tr\u00f9ng c\u00f3 h\u1ea1i x\u00e2m nh\u1eadp \u0111\u1ea5y ! Khi chim g\u00f5 ki\u1ebfn ph\u00e1t hi\u1ec7n ra c\u00e2y c\u00f3 c\u00f4n tr\u00f9ng li\u1ec1n […]<\/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-8495","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\/8495","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=8495"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8495\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=8495"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=8495"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=8495"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}