C\u00e1 voi humpback l\u00e0 lo\u00e0i kh\u1ed5ng l\u1ed3, c\u00f3 th\u1ec3 d\u00e0i t\u1edbi 15 m. Tuy nhi\u00ean, \u0111\u1ed9ng con m\u1edbi sinh ch\u1ec9 d\u00e0i kho\u1ea3ng 4,5 m, khi\u1ebfn ch\u00fang d\u1ec5 b\u1ecb c\u00e1c k\u1ebb s\u0103n m\u1ed3i nh\u01b0 c\u00e1 voi s\u00e1t th\u1ee7 nh\u1eafm v\u00e0o.<\/p>\n\n
\u0110\u1ec3 b\u1ea3o v\u1ec7 con, c\u00e1 voi m\u1eb9 \u0111\u00e3 ph\u00e1t tri\u1ec3n m\u1ed9t chi\u1ebfn l\u01b0\u1ee3c giao ti\u1ebfp \u0111\u1eb7c bi\u1ec7t: th\u00ec th\u1ea7m. C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u ph\u00e1t hi\u1ec7n m\u1eb9 v\u00e0 con ch\u1ec9 ph\u00e1t ra nh\u1eefng ti\u1ebfng k\u00eau v\u00e0 ti\u1ebfng g\u1ea7m r\u1ea5t nh\u1ecf, ch\u1ec9 nghe \u0111\u01b0\u1ee3c trong ph\u1ea1m vi kho\u1ea3ng 100 m. Nh\u1eefng \u00e2m thanh n\u00e0y y\u1ebfu h\u01a1n nhi\u1ec1u so v\u1edbi ti\u1ebfng h\u00f3t c\u1ee7a c\u00e1 voi \u0111\u1ef1c c\u00f3 th\u1ec3 vang v\u00e0i ki-l\u00f4-m\u00e9t.<\/p>\n\n
Ti\u1ebfng th\u00ec th\u1ea7m n\u00e0y ph\u1ee5c v\u1ee5 nhi\u1ec1u m\u1ee5c \u0111\u00edch. Th\u1ee9 nh\u1ea5t, che gi\u1ea5u s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a con tr\u01b0\u1edbc c\u00e1 voi s\u00e1t th\u1ee7 \u2013 lo\u00e0i d\u1ef1a v\u00e0o \u00e2m thanh \u0111\u1ec3 t\u00ecm m\u1ed3i \u2013 khi\u1ebfn vi\u1ec7c ph\u00e1t hi\u1ec7n m\u1eb9 con c\u00e1 voi tr\u1edf n\u00ean kh\u00f3 kh\u0103n.<\/p>\n\n
Th\u1ee9 hai, tr\u00e1nh s\u1ef1 ch\u00fa \u00fd c\u1ee7a c\u00e1 voi \u0111\u1ef1c hung h\u0103ng. Nh\u1eefng con \u0111\u1ef1c th\u01b0\u1eddng qu\u1ea5y r\u1ed1i c\u00e1 thai c\u00f3 con, ph\u00e1 gi\u00e1n \u0111o\u1ea1n th\u1eddi gian b\u00fa s\u1eefa. Th\u00ec th\u1ea7m gi\u00fap m\u1eb9 con tr\u00e1nh \u0111\u01b0\u1ee3c nh\u1eefng \u201ck\u1ebb t\u00e1n t\u1ec9nh\u201d kh\u00f4ng mong mu\u1ed1n.<\/p>\n\n
Tuy nhi\u00ean, n\u1ebfu c\u00e1 voi s\u00e1t th\u1ee7 v\u1eabn nghe \u0111\u01b0\u1ee3c ti\u1ebfng th\u00ec th\u1ea7m, ch\u00fang c\u00f3 th\u1ec3 d\u00f9ng n\u00f3 nh\u01b0 \u0111\u00e8n pha \u0111\u1ec3 \u0111\u1ecbnh v\u1ecb con m\u1ed3i. \u0110i\u1ec1u n\u00e0y cho th\u1ea5y th\u00ec th\u1ea7m kh\u00f4ng ph\u1ea3i \u201cl\u00e1 ch\u1eafn\u201d tuy\u1ec7t \u0111\u1ed1i, nh\u01b0ng v\u1eabn mang l\u1ea1i l\u1edbp b\u1ea3o v\u1ec7 nh\u1ea5t \u0111\u1ecbnh.<\/p>\n\n
Ngo\u00e0i vi\u1ec7c n\u00e9 tr\u00e1nh k\u1ebb th\u00f9, th\u00ec th\u1ea7m c\u00f2n g\u00f3p ph\u1ea7n trong c\u00e1c kh\u00eda c\u1ea1nh kh\u00e1c c\u1ee7a giao ti\u1ebfp. C\u00e1c con ch\u1ec9 ph\u00e1t ra \u00e2m thanh nh\u1ecf khi b\u01a1i, g\u1ee3i \u00fd r\u1eb1ng ch\u00fang d\u00f9ng ti\u1ebfng \u0111\u1ec3 m\u1eb9 d\u1ec5 theo d\u00f5i, \u0111\u1eb7c bi\u1ec7t trong v\u00f9ng n\u01b0\u1edbc \u0111\u1ee5c.<\/p>\n\n
Ti\u1ebfng th\u00ec th\u1ea7m c\u0169ng c\u00f3 th\u1ec3 d\u00f9ng khi b\u00fa s\u1eefa. Nghi\u00ean c\u1ee9u ghi nh\u1eadn con k\u00eau nh\u1ecf trong l\u00fac b\u00fa v\u00e0 m\u1eb9 \u0111\u00e1p l\u1ea1i b\u1eb1ng \u00e2m thanh t\u01b0\u01a1ng t\u1ef1, cho th\u1ea5y con c\u00f3 th\u1ec3 \u201cb\u00e1o \u0111\u00f3i\u201d hay nhu c\u1ea7u kh\u00e1c qua ti\u1ebfng k\u00eau.<\/p>\n\n
Ph\u00e1t hi\u1ec7n n\u00e0y c\u00f3 \u00fd ngh\u0129a l\u1edbn \u0111\u1ed1i v\u1edbi b\u1ea3o t\u1ed3n. Ti\u1ebfng \u1ed3n t\u1eeb t\u00e0u thuy\u1ec1n l\u00e0 ngu\u1ed3n \u00f4 nhi\u1ec5m l\u1edbn \u1edf \u0111\u1ea1i d\u01b0\u01a1ng, g\u00e2y nhi\u1ec5u giao ti\u1ebfp c\u1ee7a c\u00e1 voi v\u00e0 sinh v\u1eadt bi\u1ec3n kh\u00e1c.<\/p>\n\n
Nghi\u00ean c\u1ee9u ch\u1ec9 ra ti\u1ebfng t\u00e0u c\u00f3 th\u1ec3 b\u00f3p ngh\u1eb9t ti\u1ebfng th\u00ec th\u1ea7m c\u1ee7a m\u1eb9 con, khi\u1ebfn ch\u00fang kh\u00f3 li\u00ean l\u1ea1c. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ef1 s\u1ed1ng s\u00f3t c\u1ee7a con, v\u00ec ch\u00fang kh\u00f4ng gi\u1eef \u0111\u01b0\u1ee3c kho\u1ea3ng c\u00e1ch an to\u00e0n v\u1edbi m\u1eb9 hay t\u00ecm th\u1ee9c \u0103n.<\/p>\n\n
K\u1ebft qu\u1ea3 nh\u1ea5n m\u1ea1nh s\u1ef1 c\u1ea7n thi\u1ebft gi\u1ea3m t\u00e1c \u0111\u1ed9ng c\u1ee7a con ng\u01b0\u1eddi. Ti\u1ebfng \u1ed3n t\u00e0u thuy\u1ec1n ch\u1ec9 l\u00e0 m\u1ed9t trong nhi\u1ec1u ho\u1ea1t \u0111\u1ed9ng g\u00e2y nhi\u1ec5u giao ti\u1ebfp c\u1ee7a c\u00e1 voi v\u00e0 sinh v\u1eadt bi\u1ec3n.<\/p>\n\n
Ch\u00fang ta c\u1ea7n h\u00e0nh \u0111\u1ed9ng \u0111\u1ec3 gi\u1ea3m ti\u1ebfng \u1ed3n t\u00e0u thuy\u1ec1n v\u00e0 c\u00e1c d\u1ea1ng \u00f4 nhi\u1ec5m ti\u1ebfng \u0111\u1ed9ng d\u01b0\u1edbi bi\u1ec3n. \u0110\u1ed3ng th\u1eddi h\u1ed7 tr\u1ee3 nghi\u00ean c\u1ee9u v\u1ec1 giao ti\u1ebfp c\u1ee7a c\u00e1 voi v\u00e0 sinh v\u1eadt bi\u1ec3n \u0111\u1ec3 hi\u1ec3u c\u00e1ch t\u1ed1i thi\u1ec3u h\u00f3a \u1ea3nh h\u01b0\u1edfng c\u1ee7a con ng\u01b0\u1eddi.<\/p>\n\n
B\u1eb1ng c\u00e1ch gi\u1ea3m thi\u1ec3u t\u00e1c \u0111\u1ed9ng, ch\u00fang ta gi\u00fap b\u1ea3o v\u1ec7 c\u00e1 voi v\u00e0 sinh v\u1eadt bi\u1ec3n, \u0111\u1ea3m b\u1ea3o ch\u00fang t\u1ed3n t\u1ea1i cho c\u00e1c th\u1ebf h\u1ec7 t\u01b0\u01a1ng lai.<\/p>","protected":false},"excerpt":{"rendered":"
C\u00e1 voi humpback m\u1eb9 v\u00e0 con giao ti\u1ebfp b\u1eb1ng ti\u1ebfng th\u00ec th\u1ea7m \u0111\u1ec3 tr\u00e1nh k\u1ebb th\u00f9 C\u00e1 voi humpback l\u00e0 lo\u00e0i kh\u1ed5ng l\u1ed3, c\u00f3 th\u1ec3 d\u00e0i t\u1edbi 15 m. Tuy…<\/p>\n","protected":false},"author":2,"featured_media":25270,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[280],"tags":[264,309,3551,361,3552],"class_list":["post-1629","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-zoology","tag-ocean-conservation","tag-animal-behavior","tag-humpback-whales","tag-marine-biology","tag-whale-communication"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/1629","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/comments?post=1629"}],"version-history":[{"count":2,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/1629\/revisions"}],"predecessor-version":[{"id":25271,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/1629\/revisions\/25271"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media\/25270"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media?parent=1629"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/categories?post=1629"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/tags?post=1629"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}