{"id":5162590,"date":"2009-06-07T20:39:58","date_gmt":"2009-06-07T21:39:58","guid":{"rendered":"https:\/\/www.ozono21.com\/blog\/5162590\/sin-categoria\/un-dinosaurio-carnivoro-hallado-en-el-rio-colorado-de-argentina-respiraba-como-las-aves\/"},"modified":"2026-02-19T21:43:21","modified_gmt":"2026-02-19T19:43:21","slug":"dinosaurio-carnivoro-respira-como-aves","status":"publish","type":"post","link":"https:\/\/www.ozono21.com\/blog\/medioambiente\/dinosaurio-carnivoro-respira-como-aves\/","title":{"rendered":"Un dinosaurio carn\u00edvoro hallado en el r\u00edo Colorado de Argentina respiraba como las aves"},"content":{"rendered":"<p style=\"text-align: justify;\"><big><strong><img loading=\"lazy\" decoding=\"async\" class=\"alignright size-full wp-image-5193498\" style=\"margin: 13px; border-width: 0px;\" title=\"Un dinosaurio carn\u00edvoro hallado en el r\u00edo Colorado de Argentina respiraba como las aves\" src=\"https:\/\/www.ozono21.com\/blog\/wp-content\/uploads\/2009\/06\/dinosaurio-carn\u00edvoro-respiraba-como-las-aves.jpg\" alt=\" dinosaurio  \" width=\"101\" height=\"79\" \/><a title=\"Empleo del Ozono en la CRIA de ANIMALES\" href=\"https:\/\/www.ozono21.com\/sectores\/industriales\/cria-animal\/22\/\" target=\"_blank\" rel=\"noopener noreferrer\">Los restos de un DINOSAURIO carn\u00edvoro descubiertos en las riberas del R\u00edo Colorado, en Argentina, indican que el animal ten\u00eda un sistema de respiraci\u00f3n similar al de las aves, seg\u00fan ha informado la Sociedad National Geographic-<\/a><\/strong><\/big><\/p>\n<p>FUENTE | Agencia EFE (01\/10\/2008)<\/p>\n<p style=\"text-align: justify;\">Las aves tienen un sistema de respiraci\u00f3n que es \u00fanico entre los animales que pueblan la tierra, explic\u00f3 el paleont\u00f3logo Jeffrey Wilson, de la >Universidad de Michigan<\/span><\/a> (EE.UU.), quien form\u00f3 parte del equipo que hizo el descubrimiento.<\/p>\n<p style=\"text-align: justify;\">\u00abEn lugar de pulmones que se expanden, las aves tienen un sistema de fuelles, o sacos de aire, que les ayudan a bombear el aire a trav\u00e9s de los pulmones\u00bb, indic\u00f3 Wilson, en un art\u00edculo que publica la revista de &#8216;Internet Public Library of Science&#8217; (PLoS ONE).<\/p>\n<p style=\"text-align: justify;\">Esa caracter\u00edstica es la raz\u00f3n por la cual las aves pueden volar m\u00e1s alto y m\u00e1s r\u00e1pido que los murci\u00e9lagos que, como todos los mam\u00edferos, expanden sus pulmones en un proceso de respiraci\u00f3n menos eficiente.<\/P><\/p>\n<p style=\"text-align: justify;\">Los otros autores del art\u00edculo son Ricardo Mart\u00ednez y \u00d3scar Alcober, de la Universidad Nacional de San Juan, Argentina.<\/P><\/p>\n<p style=\"text-align: justify;\">Wilson era estudiante graduado de la Universidad de Michigan cuando trabaj\u00f3 con el notable experto en dinosaurios Paul Sereno en la expedici\u00f3n de 1996, durante la cual se encontraron los restos del dinosaurio llamado &#8216;Aerosteon riocoloradensis&#8217; (\u00abhuesos del aire del R\u00edo Colorado\u00bb).<\/p>\n<p style=\"text-align: justify;\">Aunque los investigadores quedaron satisfechos con el hallazgo de un esqueleto tan bien conservado, el descubrimiento adquiri\u00f3 m\u00e1s importancia cuando empezaron a comprender que sus huesos preservaban las marcas caracter\u00edsticas de un sistema respiratorio como el de las aves.<\/p>\n<p style=\"text-align: justify;\">Los t\u00e9cnicos en los laboratorios pasaron a\u00f1os limpiando y escaneando los huesos que estaban incrustados en roca dura para revelar finalmente la evidencia de sacos de aire dentro de la cavidad corporal del &#8216;Aerosteon&#8217;.<\/p>\n<p style=\"text-align: justify;\">Anteriormente, los paleont\u00f3logos hab\u00edan encontrado s\u00f3lo indicios sugestivos en el espinazo, es decir, fuera de la cavidad con los pulmones.<\/p>\n<p style=\"text-align: justify;\">Wilson trabaj\u00f3 con Sereno y el resto del equipo para describir e interpretar cient\u00edficamente el hallazgo.<\/p>\n<p style=\"text-align: justify;\">Las v\u00e9rtebras, clav\u00edculas y huesos de cadera muestran peque\u00f1as aperturas que conducen a espacios mayores y huecos que deben haber estado cubiertos con una fina capa de tejido suave y llenos de aire cuando el animal estaba vivo, seg\u00fan el art\u00edculo.<\/p>\n<p style=\"text-align: justify;\"><strong>Esas c\u00e1maras resultan de un proceso llamado neumatizaci\u00f3n, por el cual los sacos exteriores de los pulmones invaden los huesos.<\/strong><\/p>\n<p style=\"text-align: justify;\"><strong>Los huesos llenos de aire son la caracter\u00edstica del sistema de fuelles con el que respiran las aves y tambi\u00e9n se encuentran en los saur\u00f3podos, los dinosaurios de cuello y cola larga que Wilson estudia.<\/strong><\/p>\n<p style=\"text-align: justify;\">\u00abEn los saur\u00f3podos, la neumaticidad fue clave para la evoluci\u00f3n del cuerpo de tama\u00f1o grande y el cuello largo; en las aves es la clave de la evoluci\u00f3n de un esqueleto liviano y el vuelo\u00bb, dijo Wilson.<\/p>\n<p style=\"text-align: justify;\">Sereno, un explorador residente de National Geographic, dijo que a \u00e9l le intriga especialmente la p\u00e9rdida de calor, dado que es probable que el &#8216;Aerosteon&#8217; fuese un predador de alta energ\u00eda con plumas, pero sin las gl\u00e1ndulas de transpiraci\u00f3n que poseen los p\u00e1jaros.<\/p>\n<p style=\"text-align: justify;\">Con una longitud de aproximadamente 10 metros y con la zancada casi de un elefante, el &#8216;Aerosteon&#8217; bien puede haber usado un sistema de aire bajo la piel para liberarse del exceso de calor.<\/p>\n<table border=\"3\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td bgcolor=\"#3b7cff\" height=\"25\" width=\"600\" align=\"center\"><strong><a title=\"Actualidad ACCION del OZONO\" href=\"https:\/\/www.ozono21.com\/actualidad-interna\/accion-del-ozono\/423\/\" target=\"_blank\" rel=\"noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.ozono21.com\/blog\/wp-content\/uploads\/2014\/06\/Noticias-Relacionadas.png\" alt=\"Noticias Relacionadas\" width=\"600\" height=\"25\" border=\"0\" \/><\/a><\/strong>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><big><strong><\/p>\n<ul>\n<li><a title=\"DINOSAURIO\" target=\"_blank\" href=\"https:\/\/www.ozono21.com\/blog\/?s=dinosaurio\" rel=\"noopener noreferrer\">DINOSAURIO<\/a><\/li>\n<\/ul>\n<p><\/strong><\/big><\/p>\n<div class=\"pvc_clear\"><\/div>\n<p id=\"pvc_stats_5162590\" class=\"pvc_stats total_only  \" data-element-id=\"5162590\" style=\"\"><i class=\"pvc-stats-icon small\" aria-hidden=\"true\"><svg aria-hidden=\"true\" focusable=\"false\" data-prefix=\"far\" data-icon=\"chart-bar\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\" class=\"svg-inline--fa 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class=\"pvc_clear\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Los restos de un DINOSAURIO carn\u00edvoro descubiertos en las riberas del R\u00edo Colorado, en Argentina, indican que el animal ten\u00eda un sistema de respiraci\u00f3n similar al de las aves, seg\u00fan ha informado la Sociedad National Geographic- FUENTE | Agencia EFE &hellip; <a href=\"https:\/\/www.ozono21.com\/blog\/medioambiente\/dinosaurio-carnivoro-respira-como-aves\/\">Sigue leyendo <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n<div class=\"pvc_clear\"><\/div>\n<p id=\"pvc_stats_5162590\" class=\"pvc_stats total_only  \" data-element-id=\"5162590\" style=\"\"><i class=\"pvc-stats-icon small\" aria-hidden=\"true\"><svg aria-hidden=\"true\" focusable=\"false\" data-prefix=\"far\" data-icon=\"chart-bar\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\" class=\"svg-inline--fa fa-chart-bar fa-w-16 fa-2x\"><path fill=\"currentColor\" d=\"M396.8 352h22.4c6.4 0 12.8-6.4 12.8-12.8V108.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v230.4c0 6.4 6.4 12.8 12.8 12.8zm-192 0h22.4c6.4 0 12.8-6.4 12.8-12.8V140.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v198.4c0 6.4 6.4 12.8 12.8 12.8zm96 0h22.4c6.4 0 12.8-6.4 12.8-12.8V204.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v134.4c0 6.4 6.4 12.8 12.8 12.8zM496 400H48V80c0-8.84-7.16-16-16-16H16C7.16 64 0 71.16 0 80v336c0 17.67 14.33 32 32 32h464c8.84 0 16-7.16 16-16v-16c0-8.84-7.16-16-16-16zm-387.2-48h22.4c6.4 0 12.8-6.4 12.8-12.8v-70.4c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v70.4c0 6.4 6.4 12.8 12.8 12.8z\" class=\"\"><\/path><\/svg><\/i> <img loading=\"lazy\" decoding=\"async\" width=\"16\" height=\"16\" alt=\"Loading\" src=\"https:\/\/www.ozono21.com\/blog\/wp-content\/plugins\/page-views-count\/ajax-loader-2x.gif\" border=0 \/><\/p>\n<div 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