{"id":21700,"date":"2026-08-11T16:41:18","date_gmt":"2026-08-11T19:41:18","guid":{"rendered":"https:\/\/cliente1.publisher.highstack.com.ar\/?p=21700"},"modified":"2026-08-11T16:41:18","modified_gmt":"2026-08-11T19:41:18","slug":"la-serpiente-que-elimino-casi-todas-las-aves-de-guam-y-disparo-la-poblacion-de-aranas-a-733-millonesla-boiga-irregularis-llego-accidentalmente-a-la-isla-tras-la-segunda-guerra-mundial-y-sin-depredado","status":"publish","type":"post","link":"https:\/\/cliente1.publisher.highstack.com.ar\/?p=21700","title":{"rendered":"La serpiente que elimin\u00f3 casi todas las aves de Guam y dispar\u00f3 la poblaci\u00f3n de ara\u00f1as a 733 millonesLa Boiga irregularis lleg\u00f3 accidentalmente a la isla tras la Segunda Guerra Mundial y, sin depredadores naturales, alcanz\u00f3 densidades de 11.600 individuos por kil\u00f3metro cuadrado antes de arrasar con 12 de las 14 especies que habitaban sus bosques"},"content":{"rendered":"<div class=\"visual__image image-initial-width\"><picture><source srcset=\"https:\/\/www.infobae.com\/resizer\/v2\/D364GDWWKJDRTHU7D62MVEQKWE.jpeg?auth=4b00c2af39966cb5bf345a661ed0a8200a0749c0b3e5410ef33a26d6030daa2e&amp;smart=true&amp;width=992&amp;height=661&amp;quality=85\" media=\"(min-width: 1000px)\"><\/source><source srcset=\"https:\/\/www.infobae.com\/resizer\/v2\/D364GDWWKJDRTHU7D62MVEQKWE.jpeg?auth=4b00c2af39966cb5bf345a661ed0a8200a0749c0b3e5410ef33a26d6030daa2e&amp;smart=true&amp;width=768&amp;height=512&amp;quality=85\" media=\"(min-width: 768px)\"><\/source><source srcset=\"https:\/\/www.infobae.com\/resizer\/v2\/D364GDWWKJDRTHU7D62MVEQKWE.jpeg?auth=4b00c2af39966cb5bf345a661ed0a8200a0749c0b3e5410ef33a26d6030daa2e&amp;smart=true&amp;width=577&amp;height=384&amp;quality=85\" media=\"(min-width: 580px)\"><\/source><source srcset=\"https:\/\/www.infobae.com\/resizer\/v2\/D364GDWWKJDRTHU7D62MVEQKWE.jpeg?auth=4b00c2af39966cb5bf345a661ed0a8200a0749c0b3e5410ef33a26d6030daa2e&amp;smart=true&amp;width=420&amp;height=280&amp;quality=85\" media=\"(min-width: 350px)\"><\/source><source srcset=\"https:\/\/www.infobae.com\/resizer\/v2\/D364GDWWKJDRTHU7D62MVEQKWE.jpeg?auth=4b00c2af39966cb5bf345a661ed0a8200a0749c0b3e5410ef33a26d6030daa2e&amp;smart=true&amp;width=350&amp;height=233&amp;quality=85\" media=\"(min-width: 80px)\"><\/source><\/picture><\/div>\n<div class=\"sharebar-container display_flex sharebar-new\" style=\"opacity:1\">\n<div class=\"share-bar-article-date-container \"><span class=\"sharebar-article-date\">11 Ago, 2026 02:58 p. m. EST<\/span><\/div>\n<div class=\"sharebar-buttons-container display_flex\">\n<div aria-label=\"Guardar\" class=\"sharebar-buttons button-save\" role=\"button\" tabindex=\"0\"><svg width=\"9\" height=\"12\" viewbox=\"0 0 8 10\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"saved-icon saved\"><path d=\"M6.64286 0.5V9.31687L4.1116 7.16407L4.11106 7.16361C3.79894 6.89891 3.34392 6.89891 3.03179 7.16361L3.03126 7.16407L0.5 9.31687V0.5H6.64286Z\"><\/path><\/svg><span class=\"buttons-save-text\">Guardar<\/span><\/div>\n<div class=\"sharebar-buttons-separator\"><\/div>\n<p><button class=\"sharemenu-buttons display_flex\" aria-label=\"Compartir en Telegram\"><svg width=\"38\" height=\"38\" viewbox=\"0 0 38 38\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><rect x=\"0.5\" y=\"0.5\" width=\"37\" height=\"37\" rx=\"18.5\" fill=\"white\"><\/rect><rect x=\"0.5\" y=\"0.5\" width=\"37\" height=\"37\" rx=\"18.5\" stroke=\"#C2C2C2\"><\/rect><path d=\"M24.9696 12.5511L10.3405 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15.0383 17.6243C15.1805 18.3619 15.5983 18.9663 16.0426 19.5618C16.887 20.6638 17.8646 21.6237 19.1622 22.1925C19.7932 22.4769 20.4331 22.7613 21.1441 22.7613C21.2685 22.7613 21.393 22.7613 21.5085 22.7346C22.4506 22.5391 23.1172 22.0058 23.0816 21.0193C23.0816 20.9216 23.0194 20.7794 22.9483 20.7438C22.3973 20.4594 21.8462 20.2017 21.2863 19.9439Z\" fill=\"#555555\"><\/path><path d=\"M26.9482 17.8724C26.3972 13.4642 22.1401 10.3447 17.7229 11.1179C12.6481 11.9977 9.71521 17.2859 11.6883 21.9963C12.1948 22.6629 12.0615 23.3472 11.8216 24.0849C11.5105 25.027 11.2794 26.0046 11.0039 27C11.1194 26.9733 11.1994 26.9644 11.2794 26.9378C12.5059 26.6178 13.7324 26.3068 14.9411 25.9868C15.1544 25.9335 15.3144 25.9602 15.5099 26.0579C17.1719 26.8667 18.9227 27.0978 20.718 26.7067C24.833 25.7913 27.4548 22.0496 26.9305 17.8902L26.9482 17.8724ZM20.0515 25.4624C18.4784 25.7113 17.003 25.3913 15.6166 24.6003C15.5099 24.5381 15.3411 24.5115 15.2077 24.547C14.4612 24.7248 13.7146 24.9292 12.9147 25.1336C13.1192 24.3693 13.3058 23.6672 13.5102 22.9473C13.5635 22.7606 13.5369 22.6273 13.4391 22.4673C11.0039 18.5479 13.1014 13.5442 17.6163 12.5043C21.2868 11.6511 25.0285 14.1841 25.5884 17.908C26.1395 21.5519 23.6954 24.8936 20.0515 25.4624Z\" fill=\"#555555\"><\/path><\/svg><\/button><\/div>\n<\/div>\n<p class=\"paragraph\" data-paragraph-number=\"1\">En <b>Guam<\/b>, una isla del <b>Pac\u00edfico<\/b>, <b>la introducci\u00f3n accidental de una <\/b><a rel=\"noopener noreferrer\" href=\"https:\/\/www.infobae.com\/estados-unidos\/2026\/06\/17\/el-estado-de-florida-lanza-un-concurso-para-capturar-pitones-birmanas-en-los-everglades\/\"><b>serpiente<\/b><\/a><b> invasora alter\u00f3 el equilibrio ecol\u00f3gico y provoc\u00f3 una proliferaci\u00f3n masiva de ara\u00f1as<\/b>, seg\u00fan inform\u00f3 <i>GEO<\/i> al abordar los efectos acumulados de la expansi\u00f3n del <a rel=\"noopener noreferrer\" href=\"https:\/\/www.infobae.com\/america\/ciencia-america\/2026\/08\/11\/los-renacuajos-infectados-buscan-agua-fria-para-combatir-el-virus-el-insolito-mecanismo-que-descubrieron-los-cientificos\/\">reptil<\/a>. <\/p>\n<div class=\"marfeel-recommender marfeel-recommender-1\"><\/div>\n<p class=\"paragraph\" data-paragraph-number=\"2\">El origen del problema viene despu\u00e9s de la <b>Segunda Guerra Mundial<\/b>, cuando la especie lleg\u00f3 al territorio insular y comenz\u00f3 a multiplicarse en un entorno sin depredadores naturales y con fauna que no hab\u00eda evolucionado junto a este animal.<\/p>\n<p class=\"paragraph\" data-paragraph-number=\"3\">De acuerdo con el medio, el animal es <i><b>Boiga irregularis<\/b><\/i>, conocido como serpiente arbor\u00edcola marr\u00f3n y su expansi\u00f3n alcanz\u00f3 una magnitud excepcional en ciertas zonas, con densidades de hasta <b>11.600 individuos por kil\u00f3metro cuadrado<\/b>. Ese crecimiento desencaden\u00f3 una cadena de efectos sobre la biodiversidad local.<\/p>\n<div class=\"marfeel-recommender marfeel-recommender-3\"><\/div>\n<div class=\"inline ad-wrapper dfpAd ad-inline ad-text ad-component-container\" style=\"--ad-shell-height:250px;--ad-shell-width:300px\" data-ad-wrapper=\"arcad\" data-ad-type=\"inline\" data-ad-slot=\"infobae\/america\/mundo\/nota\/inline\" data-ad-container=\"dfp\" data-ad-slot-name=\"infobae\/america\/mundo\/nota\/inline\">\n<p class=\"ad-shell-label\">PUBLICIDAD<\/p>\n<div id=\"infobae\/america\/mundo\/nota\/inline\" class=\"infobae\/america\/mundo\/nota\/inline arcad ad-slot-node ad-slot-node--boxed\" data-ad-slot-id=\"infobae\/america\/mundo\/nota\/inline\"><\/div>\n<\/div>\n<p class=\"paragraph\" data-paragraph-number=\"4\">Entre los grupos m\u00e1s afectados aparecen ratas, musara\u00f1as, murci\u00e9lagos y lagartos, cuyas poblaciones sufrieron descensos y el mayor impacto recay\u00f3 sobre las aves terrestres. <\/p>\n<p class=\"paragraph\" data-paragraph-number=\"5\">De las <b>14 especies<\/b> que habitaban los bosques de la isla, <b>12 desaparecieron<\/b> del territorio, entre ellas figur\u00f3 el <b>papamoscas de Guam<\/b> que no exist\u00eda en ning\u00fan otro lugar del planeta y cuya \u00faltima observaci\u00f3n qued\u00f3 registrada en <b>1983<\/b>.<\/p>\n<div class=\"marfeel-recommender marfeel-recommender-5\"><\/div>\n<h2 class=\"text-align-left vertical-align-top line-height-100 header headline-class-h2 headline\" id=\"un-ecosistema-alterado\">Un ecosistema alterado<\/h2>\n<div class=\"visual__image\"><picture><source srcset=\"https:\/\/www.infobae.com\/resizer\/v2\/4BY3BD5QEVCIBNVFX7H2JHVOMU.jpeg?auth=0a5dfe541fd6a735f0ca53586c94bf7f4e27ec6af225c68eaad2d3c95a113b9a&amp;smart=true&amp;width=992&amp;height=661&amp;quality=85\" media=\"(min-width: 1000px)\"><\/source><source srcset=\"https:\/\/www.infobae.com\/resizer\/v2\/4BY3BD5QEVCIBNVFX7H2JHVOMU.jpeg?auth=0a5dfe541fd6a735f0ca53586c94bf7f4e27ec6af225c68eaad2d3c95a113b9a&amp;smart=true&amp;width=768&amp;height=512&amp;quality=85\" media=\"(min-width: 768px)\"><\/source><source srcset=\"https:\/\/www.infobae.com\/resizer\/v2\/4BY3BD5QEVCIBNVFX7H2JHVOMU.jpeg?auth=0a5dfe541fd6a735f0ca53586c94bf7f4e27ec6af225c68eaad2d3c95a113b9a&amp;smart=true&amp;width=577&amp;height=384&amp;quality=85\" media=\"(min-width: 580px)\"><\/source><source srcset=\"https:\/\/www.infobae.com\/resizer\/v2\/4BY3BD5QEVCIBNVFX7H2JHVOMU.jpeg?auth=0a5dfe541fd6a735f0ca53586c94bf7f4e27ec6af225c68eaad2d3c95a113b9a&amp;smart=true&amp;width=420&amp;height=280&amp;quality=85\" media=\"(min-width: 350px)\"><\/source><source srcset=\"https:\/\/www.infobae.com\/resizer\/v2\/4BY3BD5QEVCIBNVFX7H2JHVOMU.jpeg?auth=0a5dfe541fd6a735f0ca53586c94bf7f4e27ec6af225c68eaad2d3c95a113b9a&amp;smart=true&amp;width=350&amp;height=233&amp;quality=85\" media=\"(min-width: 80px)\"><\/source><img alt=\"Ara\u00f1a con abdomen amarillo y negro rayado, patas anilladas, sobre una telara\u00f1a blanca. Fondo verde y blanco difuso\" class=\"global-image\" decoding=\"async\" fetchpriority=\"low\" height=\"493\" loading=\"lazy\" src=\"https:\/\/www.infobae.com\/resizer\/v2\/4BY3BD5QEVCIBNVFX7H2JHVOMU.jpeg?auth=0a5dfe541fd6a735f0ca53586c94bf7f4e27ec6af225c68eaad2d3c95a113b9a&amp;smart=true&amp;width=350&amp;height=233&amp;quality=85\" width=\"740\"><\/picture><\/div>\n<p class=\"paragraph\" data-paragraph-number=\"6\">La desaparici\u00f3n de aves no solo transform\u00f3 el paisaje sonoro de los bosques, tambi\u00e9n abri\u00f3 espacio para la expansi\u00f3n de otros organismos. <\/p>\n<p class=\"paragraph\" data-paragraph-number=\"7\">Durante los per\u00edodos m\u00e1s h\u00famedos, los cient\u00edficos hallaron en los bosques de <b>Guam<\/b> hasta <b>40 veces m\u00e1s ara\u00f1as<\/b> que en las islas vecinas de <b>Rota<\/b>, <b>Tinian<\/b> y <b>Saip\u00e1n<\/b> porque perdieron a sus principales depredadores.<\/p>\n<div class=\"inline_2 ad-wrapper dfpAd ad-inline ad-text ad-component-container\" style=\"--ad-shell-height:250px;--ad-shell-width:300px\" data-ad-wrapper=\"arcad\" data-ad-type=\"inline_2\" data-ad-slot=\"infobae\/america\/mundo\/nota\/inline_2\" data-ad-container=\"dfp\" data-ad-slot-name=\"infobae\/america\/mundo\/nota\/inline_2\">\n<p class=\"ad-shell-label\">PUBLICIDAD<\/p>\n<div id=\"infobae\/america\/mundo\/nota\/inline_2\" class=\"infobae\/america\/mundo\/nota\/inline_2 arcad ad-slot-node ad-slot-node--boxed\" data-ad-slot-id=\"infobae\/america\/mundo\/nota\/inline_2\"><\/div>\n<\/div>\n<p class=\"paragraph\" data-paragraph-number=\"8\">Algunos animales tambi\u00e9n modificaron su conducta, por ejemplo las telas de la llamada <i><b>ara\u00f1a banana<\/b><\/i> pasaron a ser <b>50% m\u00e1s grandes<\/b> que antes, un dato que refuerza la magnitud de la alteraci\u00f3n ecol\u00f3gica observada en el territorio.<\/p>\n<p class=\"paragraph\" data-paragraph-number=\"9\">Los investigadores calculan que en el territorio podr\u00eda haber hasta <b>733 millones de esta especie<\/b>. Esa cifra aparece como una de las expresiones m\u00e1s visibles del desequilibrio generado por la expansi\u00f3n del reptil invasor, cuya presencia termin\u00f3 por reordenar la red alimentaria del ecosistema insular.<\/p>\n<h2 class=\"text-align-left vertical-align-top line-height-100 header headline-class-h2 headline\" id=\"un-invasor-dificil-de-contener\">Un invasor dif\u00edcil de contener<\/h2>\n<div class=\"visual__image\"><picture><source srcset=\"https:\/\/www.infobae.com\/resizer\/v2\/WI5DT2UGJBEJNIAB4DGR44MSMU.jpeg?auth=8893d4f812120c4a111beb28ea8a26b10bbb64124b778cce97f2815ab9b98075&amp;smart=true&amp;width=992&amp;height=661&amp;quality=85\" media=\"(min-width: 1000px)\"><\/source><source srcset=\"https:\/\/www.infobae.com\/resizer\/v2\/WI5DT2UGJBEJNIAB4DGR44MSMU.jpeg?auth=8893d4f812120c4a111beb28ea8a26b10bbb64124b778cce97f2815ab9b98075&amp;smart=true&amp;width=768&amp;height=512&amp;quality=85\" media=\"(min-width: 768px)\"><\/source><source srcset=\"https:\/\/www.infobae.com\/resizer\/v2\/WI5DT2UGJBEJNIAB4DGR44MSMU.jpeg?auth=8893d4f812120c4a111beb28ea8a26b10bbb64124b778cce97f2815ab9b98075&amp;smart=true&amp;width=577&amp;height=384&amp;quality=85\" media=\"(min-width: 580px)\"><\/source><source srcset=\"https:\/\/www.infobae.com\/resizer\/v2\/WI5DT2UGJBEJNIAB4DGR44MSMU.jpeg?auth=8893d4f812120c4a111beb28ea8a26b10bbb64124b778cce97f2815ab9b98075&amp;smart=true&amp;width=420&amp;height=280&amp;quality=85\" media=\"(min-width: 350px)\"><\/source><source srcset=\"https:\/\/www.infobae.com\/resizer\/v2\/WI5DT2UGJBEJNIAB4DGR44MSMU.jpeg?auth=8893d4f812120c4a111beb28ea8a26b10bbb64124b778cce97f2815ab9b98075&amp;smart=true&amp;width=350&amp;height=233&amp;quality=85\" media=\"(min-width: 80px)\"><\/source><img alt=\"P\u00e1jaro adulto marr\u00f3n claro sobre rama junto a nido con cuatro polluelos de plumaje oscuro y uno con pico abierto. Fondo verde desenfocado\" class=\"global-image\" decoding=\"async\" fetchpriority=\"low\" height=\"493\" loading=\"lazy\" src=\"https:\/\/www.infobae.com\/resizer\/v2\/WI5DT2UGJBEJNIAB4DGR44MSMU.jpeg?auth=8893d4f812120c4a111beb28ea8a26b10bbb64124b778cce97f2815ab9b98075&amp;smart=true&amp;width=350&amp;height=233&amp;quality=85\" width=\"740\"><\/picture><\/div>\n<p class=\"paragraph\" data-paragraph-number=\"10\">El art\u00edculo tambi\u00e9n describe las dificultades de conservaci\u00f3n. Cajas nido dise\u00f1adas para bloquear a las serpientes no frenaron su avance, ya que estos reptiles lograron superar obst\u00e1culos considerados infranqueables mediante una forma de desplazamiento llamada \u201classo locomotion\u201d.<\/p>\n<div class=\"ad_1 ad-wrapper dfpAd ad-1-al-6 ad-text ad-component-container\" style=\"--ad-shell-height:250px;--ad-shell-width:300px\" data-ad-wrapper=\"arcad\" data-ad-type=\"ad_1\" data-ad-slot=\"infobae\/america\/mundo\/nota\/ad_1\" data-ad-container=\"dfp\" data-ad-slot-name=\"infobae\/america\/mundo\/nota\/ad_1\">\n<p class=\"ad-shell-label\">PUBLICIDAD<\/p>\n<div id=\"infobae\/america\/mundo\/nota\/ad_1\" class=\"infobae\/america\/mundo\/nota\/ad_1 arcad ad-slot-node ad-slot-node--boxed\" data-ad-slot-id=\"infobae\/america\/mundo\/nota\/ad_1\"><\/div>\n<\/div>\n<p class=\"paragraph\" data-paragraph-number=\"11\">Ese mecanismo les permite trepar grandes cilindros verticales lisos, como postes o tuber\u00edas, una capacidad que complic\u00f3 las barreras ideadas para proteger a las especies vulnerables. <\/p>\n<p class=\"paragraph\" data-paragraph-number=\"12\">Las consecuencias alcanzaron tambi\u00e9n a la poblaci\u00f3n humana, ya que la llegada de esta serpiente venenosa afect\u00f3 a animales dom\u00e9sticos por mordeduras y alter\u00f3 rutinas cotidianas en la isla. A eso se sum\u00f3 su interacci\u00f3n frecuente con infraestructuras el\u00e9ctricas, donde los reptiles suelen trepar y causar cortes de suministro.<\/p>\n<p class=\"paragraph\" data-paragraph-number=\"13\">Esas interferencias provocan hasta <b>200 cortes de electricidad por a\u00f1o<\/b>. Un estudio citado por el medio estim\u00f3 que entre <b>1991 y 1997<\/b> esas interrupciones costaron hasta <b>4,5 millones de d\u00f3lares al a\u00f1o<\/b>, equivalentes a unos <b>3,9 millones de euros anuales<\/b>, para la econom\u00eda local.<\/p>\n<div class=\"ad_2 ad-wrapper dfpAd ad-1-al-6 ad-text ad-component-container\" style=\"--ad-shell-height:250px;--ad-shell-width:300px\" data-ad-wrapper=\"arcad\" data-ad-type=\"ad_2\" data-ad-slot=\"infobae\/america\/mundo\/nota\/ad_2\" data-ad-container=\"dfp\" data-ad-slot-name=\"infobae\/america\/mundo\/nota\/ad_2\">\n<p class=\"ad-shell-label\">PUBLICIDAD<\/p>\n<div id=\"infobae\/america\/mundo\/nota\/ad_2\" class=\"infobae\/america\/mundo\/nota\/ad_2 arcad ad-slot-node ad-slot-node--boxed\" data-ad-slot-id=\"infobae\/america\/mundo\/nota\/ad_2\"><\/div>\n<\/div>\n<h2 class=\"text-align-left vertical-align-top line-height-100 header headline-class-h2 headline\" id=\"nuevas-pistas-geneticas\">Nuevas pistas gen\u00e9ticas<\/h2>\n<div class=\"visual__image\"><picture><source srcset=\"https:\/\/www.infobae.com\/resizer\/v2\/6A3OBDHXRBCJLD4MDPGNC4EEEU.jpeg?auth=80a7b3d3c895732ccc97960e905463ad39518065bac18acdfb1d82afe974f1e8&amp;smart=true&amp;width=992&amp;height=661&amp;quality=85\" media=\"(min-width: 1000px)\"><\/source><source srcset=\"https:\/\/www.infobae.com\/resizer\/v2\/6A3OBDHXRBCJLD4MDPGNC4EEEU.jpeg?auth=80a7b3d3c895732ccc97960e905463ad39518065bac18acdfb1d82afe974f1e8&amp;smart=true&amp;width=768&amp;height=512&amp;quality=85\" media=\"(min-width: 768px)\"><\/source><source srcset=\"https:\/\/www.infobae.com\/resizer\/v2\/6A3OBDHXRBCJLD4MDPGNC4EEEU.jpeg?auth=80a7b3d3c895732ccc97960e905463ad39518065bac18acdfb1d82afe974f1e8&amp;smart=true&amp;width=577&amp;height=384&amp;quality=85\" media=\"(min-width: 580px)\"><\/source><source srcset=\"https:\/\/www.infobae.com\/resizer\/v2\/6A3OBDHXRBCJLD4MDPGNC4EEEU.jpeg?auth=80a7b3d3c895732ccc97960e905463ad39518065bac18acdfb1d82afe974f1e8&amp;smart=true&amp;width=420&amp;height=280&amp;quality=85\" media=\"(min-width: 350px)\"><\/source><source srcset=\"https:\/\/www.infobae.com\/resizer\/v2\/6A3OBDHXRBCJLD4MDPGNC4EEEU.jpeg?auth=80a7b3d3c895732ccc97960e905463ad39518065bac18acdfb1d82afe974f1e8&amp;smart=true&amp;width=350&amp;height=233&amp;quality=85\" media=\"(min-width: 80px)\"><\/source><img alt=\"Serpiente de cuerpo negro con rayas amarillas longitudinales. Tiene cabeza negra, ojos redondos y boca abierta. Se apoya en un tronco de \u00e1rbol con fondo verde\" class=\"global-image\" decoding=\"async\" fetchpriority=\"low\" height=\"493\" loading=\"lazy\" src=\"https:\/\/www.infobae.com\/resizer\/v2\/6A3OBDHXRBCJLD4MDPGNC4EEEU.jpeg?auth=80a7b3d3c895732ccc97960e905463ad39518065bac18acdfb1d82afe974f1e8&amp;smart=true&amp;width=350&amp;height=233&amp;quality=85\" width=\"740\"><\/picture><\/div>\n<p class=\"paragraph\" data-paragraph-number=\"14\">Una investigaci\u00f3n publicada en <a rel=\"noopener\" href=\"https:\/\/www.science.org\/doi\/10.1126\/sciadv.aed3656\"><i>Science Advances<\/i><\/a> trat\u00f3 de responder c\u00f3mo una poblaci\u00f3n fundada por un n\u00famero reducido de ejemplares pudo expandirse con tanta eficacia, pese a una diversidad gen\u00e9tica que en teor\u00eda deb\u00eda ser limitada. Sin embargo, los investigadores identificaron miles de variantes estructurales en el genoma de estas serpientes.<\/p>\n<p class=\"paragraph\" data-paragraph-number=\"15\">\u201cEs como examinar con lupa pasajes de dos libros letra por letra y creer que son id\u00e9nticos, sin darse cuenta de que p\u00e1rrafos enteros se han movido o duplicado\u201d, afirm\u00f3 <b>Levi Gray<\/b>, investigador posdoctoral de la <b>Universidad de Buffalo<\/b> y coautor del estudio, al comparar el hallazgo.<\/p>\n<p class=\"paragraph\" data-paragraph-number=\"16\">Gray tambi\u00e9n sostuvo que las tecnolog\u00edas de secuenciaci\u00f3n anteriores no permit\u00edan detectar con facilidad que el ADN de un individuo pod\u00eda encontrarse en una posici\u00f3n completamente distinta en un cromosoma respecto de otro.<\/p>\n<div class=\"ad_3 ad-wrapper dfpAd ad-1-al-6 ad-text ad-component-container\" style=\"--ad-shell-height:250px;--ad-shell-width:300px\" data-ad-wrapper=\"arcad\" data-ad-type=\"ad_3\" data-ad-slot=\"infobae\/america\/mundo\/nota\/ad_3\" data-ad-container=\"dfp\" data-ad-slot-name=\"infobae\/america\/mundo\/nota\/ad_3\">\n<p class=\"ad-shell-label\">PUBLICIDAD<\/p>\n<div id=\"infobae\/america\/mundo\/nota\/ad_3\" class=\"infobae\/america\/mundo\/nota\/ad_3 arcad ad-slot-node ad-slot-node--boxed\" data-ad-slot-id=\"infobae\/america\/mundo\/nota\/ad_3\"><\/div>\n<\/div>\n<p class=\"paragraph\" data-paragraph-number=\"17\">\u201cEs posible que las especies en peligro de extinci\u00f3n tengan mayor flexibilidad gen\u00e9tica de lo que pens\u00e1bamos\u201d, explic\u00f3 <b>Christopher Osborne<\/b>, primer autor del estudio en la <b>State University of New York Oswego<\/b>. Esa observaci\u00f3n apunta a una mejor comprensi\u00f3n de fuentes poco conocidas de diversidad gen\u00e9tica que podr\u00edan ayudar a explicar c\u00f3mo logran adaptarse a su entorno.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>11 Ago, 2026 02:58 p. m. EST Guardar En Guam, una isla del Pac\u00edfico, la introducci\u00f3n accidental de una serpiente invasora alter\u00f3 el equilibrio ecol\u00f3gico y provoc\u00f3 una proliferaci\u00f3n masiva de ara\u00f1as, seg\u00fan inform\u00f3 GEO al abordar los efectos acumulados de la expansi\u00f3n del reptil. El origen del problema viene despu\u00e9s de la Segunda Guerra [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":21701,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-21700","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/cliente1.publisher.highstack.com.ar\/index.php?rest_route=\/wp\/v2\/posts\/21700","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cliente1.publisher.highstack.com.ar\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cliente1.publisher.highstack.com.ar\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cliente1.publisher.highstack.com.ar\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cliente1.publisher.highstack.com.ar\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=21700"}],"version-history":[{"count":0,"href":"https:\/\/cliente1.publisher.highstack.com.ar\/index.php?rest_route=\/wp\/v2\/posts\/21700\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cliente1.publisher.highstack.com.ar\/index.php?rest_route=\/wp\/v2\/media\/21701"}],"wp:attachment":[{"href":"https:\/\/cliente1.publisher.highstack.com.ar\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=21700"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cliente1.publisher.highstack.com.ar\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=21700"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cliente1.publisher.highstack.com.ar\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=21700"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}