{"id":54980,"date":"2022-06-23T13:51:50","date_gmt":"2022-06-23T18:51:50","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/which-birds-animals-produce-ultrasonic-sound\/"},"modified":"2025-01-21T07:30:33","modified_gmt":"2025-01-21T12:30:33","slug":"which-birds-animals-produce-ultrasonic-sound","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/vi\/which-birds-animals-produce-ultrasonic-sound\/","title":{"rendered":"Nh\u1eefng lo\u00e0i v\u1eadt n\u00e0o ph\u00e1t ra si\u00eau \u00e2m?"},"content":{"rendered":"<p>Lo\u00e0i ng\u01b0\u1eddi t\u1eeb l\u00e2u \u0111\u00e3 quen thu\u1ed9c v\u1edbi th\u1ebf gi\u1edbi \u00e2m thanh m\u00e0 tai m\u00ecnh c\u00f3 th\u1ec3 nghe th\u1ea5y. Tuy nhi\u00ean, c\u00f3 m\u1ed9t th\u1ebf gi\u1edbi \u00e2m thanh kh\u00e1c t\u1ed3n t\u1ea1i, v\u01b0\u1ee3t ngo\u00e0i kh\u1ea3 n\u0103ng th\u00ednh gi\u00e1c c\u1ee7a ch\u00fang ta: \u0111\u00f3 l\u00e0 th\u1ebf gi\u1edbi c\u1ee7a si\u00eau \u00e2m.  Nhi\u1ec1u lo\u00e0i \u0111\u1ed9ng v\u1eadt \u0111\u00e3 ti\u1ebfn h\u00f3a \u0111\u1ec3 s\u1eed d\u1ee5ng si\u00eau \u00e2m cho c\u00e1c m\u1ee5c \u0111\u00edch kh\u00e1c nhau, t\u1eeb \u0111\u1ecbnh v\u1ecb con m\u1ed3i \u0111\u1ebfn giao ti\u1ebfp. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd t\u1eadp trung v\u00e0o c\u00e1c lo\u00e0i chim s\u1eed d\u1ee5ng si\u00eau \u00e2m, kh\u00e1m ph\u00e1 c\u00e1ch th\u1ee9c ch\u00fang t\u1ea1o ra v\u00e0 s\u1eed d\u1ee5ng nh\u1eefng \u00e2m thanh \u0111\u1eb7c bi\u1ec7t n\u00e0y.<\/p>\n<h3>Chim D\u1ea7u v\u00e0 Si\u00eau \u00c2m<\/h3>\n<p>Chim d\u1ea7u, thu\u1ed9c h\u1ecd Steatornithidae, l\u00e0 m\u1ed9t v\u00ed d\u1ee5 n\u1ed5i b\u1eadt v\u1ec1 lo\u00e0i chim s\u1eed d\u1ee5ng si\u00eau \u00e2m. S\u1ed1ng trong c\u00e1c hang \u0111\u1ed9ng t\u1ed1i t\u0103m, ch\u00fang s\u1eed d\u1ee5ng ti\u1ebfng l\u00e1ch c\u00e1ch si\u00eau \u00e2m \u0111\u1ec3 \u0111\u1ecbnh v\u1ecb trong m\u00f4i tr\u01b0\u1eddng thi\u1ebfu \u00e1nh s\u00e1ng. Gi\u1ed1ng nh\u01b0 lo\u00e0i d\u01a1i, chim d\u1ea7u d\u1ef1a v\u00e0o s\u1ef1 ph\u1ea3n x\u1ea1 c\u1ee7a \u00e2m thanh \u0111\u1ec3 t\u1ea1o ra &quot;b\u1ea3n \u0111\u1ed3&quot; m\u00f4i tr\u01b0\u1eddng xung quanh, gi\u00fap ch\u00fang tr\u00e1nh va ch\u1ea1m v\u1edbi c\u00e1c ch\u01b0\u1edbng ng\u1ea1i v\u1eadt v\u00e0 t\u00ecm ki\u1ebfm th\u1ee9c \u0103n.<\/p>\n<h3>C\u00e1c Nghi\u00ean C\u1ee9u v\u1ec1 Si\u00eau \u00c2m \u1edf Chim D\u1ea7u<\/h3>\n<p>Nhi\u1ec1u nghi\u00ean c\u1ee9u \u0111\u00e3 \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh \u0111\u1ec3 t\u00ecm hi\u1ec3u v\u1ec1 kh\u1ea3 n\u0103ng s\u1eed d\u1ee5ng si\u00eau \u00e2m c\u1ee7a chim d\u1ea7u. C\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 ghi l\u1ea1i v\u00e0 ph\u00e2n t\u00edch c\u00e1c ti\u1ebfng l\u00e1ch c\u00e1ch si\u00eau \u00e2m c\u1ee7a ch\u00fang, t\u1eeb \u0111\u00f3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c t\u1ea7n s\u1ed1 v\u00e0 c\u01b0\u1eddng \u0111\u1ed9 c\u1ee7a \u00e2m thanh.<\/p>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>\u0110\u1eb7c \u0111i\u1ec3m Si\u00eau \u00c2m<\/th>\n<th>Chim D\u1ea7u<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>T\u1ea7n s\u1ed1 (kHz)<\/td>\n<td>2-20<\/td>\n<\/tr>\n<tr>\n<td>C\u01b0\u1eddng \u0111\u1ed9 (dB)<\/td>\n<td>L\u00ean \u0111\u1ebfn 110<\/td>\n<\/tr>\n<tr>\n<td>M\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng<\/td>\n<td>\u0110\u1ecbnh v\u1ecb, giao ti\u1ebfp<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>So s\u00e1nh v\u1edbi D\u01a1i<\/h3>\n<p>M\u1eb7c d\u00f9 c\u1ea3 chim d\u1ea7u v\u00e0 d\u01a1i \u0111\u1ec1u s\u1eed d\u1ee5ng si\u00eau \u00e2m \u0111\u1ec3 \u0111\u1ecbnh v\u1ecb, c\u01a1 ch\u1ebf t\u1ea1o ra \u00e2m thanh c\u1ee7a ch\u00fang l\u1ea1i kh\u00e1c nhau. D\u01a1i t\u1ea1o ra si\u00eau \u00e2m b\u1eb1ng thanh qu\u1ea3n, trong khi chim d\u1ea7u \u0111\u01b0\u1ee3c cho l\u00e0 t\u1ea1o ra \u00e2m thanh b\u1eb1ng c\u00e1ch l\u00e1ch c\u00e1ch m\u1ecf.  S\u1ef1 kh\u00e1c bi\u1ec7t n\u00e0y ph\u1ea3n \u00e1nh s\u1ef1 ti\u1ebfn h\u00f3a \u0111\u1ed9c l\u1eadp c\u1ee7a kh\u1ea3 n\u0103ng \u0111\u1ecbnh v\u1ecb b\u1eb1ng si\u00eau \u00e2m \u1edf hai nh\u00f3m \u0111\u1ed9ng v\u1eadt n\u00e0y.<\/p>\n<h3>Kh\u1ea3 N\u0103ng Si\u00eau \u00c2m \u1edf C\u00e1c Lo\u00e0i Chim Kh\u00e1c<\/h3>\n<p>Ngo\u00e0i chim d\u1ea7u, m\u1ed9t s\u1ed1 b\u1eb1ng ch\u1ee9ng cho th\u1ea5y m\u1ed9t s\u1ed1 lo\u00e0i chim kh\u00e1c c\u0169ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng si\u00eau \u00e2m \u1edf m\u1ed9t m\u1ee9c \u0111\u1ed9 n\u00e0o \u0111\u00f3, m\u1eb7c d\u00f9 nghi\u00ean c\u1ee9u trong l\u0129nh v\u1ef1c n\u00e0y v\u1eabn c\u00f2n h\u1ea1n ch\u1ebf.  V\u00ed d\u1ee5, m\u1ed9t s\u1ed1 lo\u00e0i c\u00fa \u0111\u01b0\u1ee3c cho l\u00e0 c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n \u00e2m thanh \u1edf t\u1ea7n s\u1ed1 si\u00eau \u00e2m \u0111\u1ec3 s\u0103n m\u1ed3i.<\/p>\n<p>Vi\u1ec7c nghi\u00ean c\u1ee9u si\u00eau \u00e2m \u1edf chim m\u1edf ra m\u1ed9t c\u00e1nh c\u1eeda m\u1edbi \u0111\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 th\u1ebf gi\u1edbi \u0111\u1ed9ng v\u1eadt.  T\u1eeb chim d\u1ea7u \u0111\u1ecbnh v\u1ecb trong hang \u0111\u1ed9ng t\u1ed1i \u0111\u1ebfn kh\u1ea3 n\u0103ng s\u0103n m\u1ed3i c\u1ee7a c\u00fa, si\u00eau \u00e2m \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong cu\u1ed9c s\u1ed1ng c\u1ee7a nhi\u1ec1u lo\u00e0i chim.  C\u1ea7n c\u00f3 th\u00eam nhi\u1ec1u nghi\u00ean c\u1ee9u \u0111\u1ec3 kh\u00e1m ph\u00e1 \u0111\u1ea7y \u0111\u1ee7 ti\u1ec1m n\u0103ng c\u1ee7a si\u00eau \u00e2m trong th\u1ebf gi\u1edbi lo\u00e0i chim, t\u1eeb \u0111\u00f3 gi\u00fap ch\u00fang ta hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 s\u1ef1 \u0111a d\u1ea1ng v\u00e0 s\u1ef1 th\u00edch nghi \u0111\u00e1ng kinh ng\u1ea1c c\u1ee7a ch\u00fang.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Lo\u00e0i ng\u01b0\u1eddi t\u1eeb l\u00e2u \u0111\u00e3 quen thu\u1ed9c v\u1edbi th\u1ebf gi\u1edbi \u00e2m thanh m\u00e0 tai m\u00ecnh c\u00f3 th\u1ec3 nghe th\u1ea5y. Tuy nhi\u00ean, c\u00f3 m\u1ed9t th\u1ebf gi\u1edbi \u00e2m thanh kh\u00e1c t\u1ed3n t\u1ea1i, v\u01b0\u1ee3t ngo\u00e0i kh\u1ea3 n\u0103ng th\u00ednh gi\u00e1c c\u1ee7a ch\u00fang ta: \u0111\u00f3 l\u00e0 th\u1ebf gi\u1edbi c\u1ee7a si\u00eau \u00e2m. Nhi\u1ec1u lo\u00e0i \u0111\u1ed9ng v\u1eadt \u0111\u00e3 ti\u1ebfn h\u00f3a \u0111\u1ec3 s\u1eed<\/p>\n","protected":false},"author":1,"featured_media":18708,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6406],"tags":[],"class_list":["post-54980","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","prodpage-classic"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/54980","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/comments?post=54980"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/54980\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media\/18708"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media?parent=54980"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/categories?post=54980"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/tags?post=54980"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}