{"id":827,"date":"2014-10-14T06:50:02","date_gmt":"2014-10-14T06:50:02","guid":{"rendered":"http:\/\/blog.fuertecharter.com\/?p=827"},"modified":"2021-11-05T11:12:19","modified_gmt":"2021-11-05T11:12:19","slug":"ballena-azul-fuerteventura","status":"publish","type":"post","link":"https:\/\/blog.fuertecharter.com\/en\/ballena-azul-fuerteventura\/","title":{"rendered":"The blue whale in Fuerteventura"},"content":{"rendered":"<p><\/p>\n<h5>A blue whale, the biggest animal in the world, can be spotted very near the area where we make our boat trips from Corralejo.<br \/>\nSome time ago, the Strait of \u201cLa Bocaina\u201d which separates Fuerteventura and Lanzarote a blue whale was seen, by a group of investigators. This sighting took place during the campaign for the project development\u00a0 \u201cCanarias con la Mar\u201d, funded by \u201cFundaci\u00f3n Biodiversidad\u201d, the ministry of Environment (MAGRAMA), the Canary Island Government and Fuerteventura Council.<\/h5>\n<p><strong><a href=\"http:\/\/blog.fuertecharter.com\/wp-content\/uploads\/2014\/10\/ballena-azul.jpg\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-830\" src=\"http:\/\/blog.fuertecharter.com\/wp-content\/uploads\/2014\/10\/ballena-azul.jpg\" alt=\"FuerteCharter | Ballena azul en Fuerteventura\" width=\"1000\" height=\"500\" srcset=\"https:\/\/blog.fuertecharter.com\/wp-content\/uploads\/2014\/10\/ballena-azul.jpg 1000w, https:\/\/blog.fuertecharter.com\/wp-content\/uploads\/2014\/10\/ballena-azul-300x150.jpg 300w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/a><\/strong><br \/>\nThis cetacean (in latin, Balaenopteridaees) is one of the biggest animals in the world (the biggest dinosaur ever known was smaller that this whale). They can be up to 31m long and weigh a bit over 150 tons. The specimens in the southern hemisphere are usually bigger that those in the northern one. Female specimens (so as to give birth to their huge calves)are usually bigger than male ones too (maximum 24m long and 80 tons). They can reach a depth of 500m. Their usual speed is 22km\/h, although they can even reach the 50km\/h if they feel threatened, and they can also lower their speed up to 6.5 km\/h when they forage for food.<\/p>\n<p>With a long body and a wide head, this impressive whale has no teeth, but beard (around 300-400 formations on each side of their jaws, looking like toothbrushes, ideal to catch little preys (up to 1m long).<br \/>\nThey can be submerged for 10-20 minutes, needing to go to the surface and breath after this time, bursting the typical jet of water of this species, which can reach the 6-12 ms high, imagine how big they are!<br \/>\nSurprisingly, these huge animals feed on small crustaceans; krills are they favourite food. Every specimen can eat up to 40 million of these crustaceans during their feeding stage, and they need up to 1.5 million calories a day to keep active.<br \/>\nThe northern Pacific and Atlantic Oceans hold the biggest populations of these cetaceans. They are a really damaged species due to the whales hunting, and in many areas they have not recovered yet. Just one out of the four different species of blue whales in the world inhabits the northern Atlantic, which is why the fact of having caught sight of one of them in our waters is a true privilege. We are looking forward to finding this blue whale in our boat trips from Corralejo.<br \/>\nAs far as their behaviour is concerned, blue whales have been seen alone, in couple or in small groups, no bigger than 7 specimens. When the food is abundant and on very few occasions, 60 of these animals have been seen together. They usually forage 100ms deep during the day, and they only go up to the surface at night. They feed through a filtering system: they open their mouth swallowing a large amount of water and krill. Then they close their jaws and push the water back outside through their beards, their preys being trapped there; with this system they also consume little fish, crustaceans and the squids which swim among the krill.<br \/>\nAs for their breeding, their gestation period lasts around one year, and they reach their sexual maturity at the age of 10. They give birth to a single whale calf every 3 years. Whale calves are born in winter, in warm waters, and they are able to migrate thousands of kilometres until they reach polar waters to forage the next summer. Whale calves are usually 7mts long and weigh up to 3 tons; for 8 months they are breastfed, almost 400 litres of milk a day, and they grow up to 90kg a day, so when they get to their weaning process the calves have probably doubled their size already.<br \/>\nThey have a long life expectancy, 90 years on average, although they can live up to 110 years.<br \/>\nThese huge mammals make a deep vibrating sound that can be heard hundreds of kilometres away under the water. Little is known about the reason why they make this kind of sound, but these blue whales can make calls lasting between 10 and 30 seconds.<br \/>\nThe blue whale is an endangered species for several reasons: many specimens die because they are hurt by big ships or because they are trapped in fishing nets. Of course, the global heating also affects the species they feed on. Nowadays whale hunting is punished in every continent, although illegal hunting still exists. It&#8217;s important to protect the areas of concentration of this species and their migratory corridors. Their presence in Fuerteventura and Lanzarote reminds us how important this area is.<br \/>\nWe are looking forward to watching this blue whale, who has been named Esperanza, more closely in our boat trips from Corralejo. We&#8217;ll keep you informed.<\/p>\n<p><img loading=\"lazy\" class=\"alignnone wp-image-828 size-full\" title=\"FuerteCharter | Ballena azul en Fuerteventura\" src=\"http:\/\/blog.fuertecharter.com\/wp-content\/uploads\/2014\/10\/ballena-azul-1.jpg\" alt=\"ngm.nationalgeographic.com\" width=\"600\" height=\"429\" srcset=\"https:\/\/blog.fuertecharter.com\/wp-content\/uploads\/2014\/10\/ballena-azul-1.jpg 600w, https:\/\/blog.fuertecharter.com\/wp-content\/uploads\/2014\/10\/ballena-azul-1-300x214.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p><strong>\u00a0FuerteCharter&#8217;s team. \u00a0<\/strong><\/p>\n<h2><strong>Caracter\u00edsticas de la ballena azul<\/strong><\/h2>\n<p>Este cet\u00e1ceo de la familia de los Rorcuales azules (en lat\u00edn:\u00a0<em>Balaenopteridaees<\/em>) es <strong>uno de los animales m\u00e1s grandes de la tierra<\/strong> (el dinosaurio m\u00e1s grande conocido es m\u00e1s peque\u00f1o que estas ballenas). Llegan a medir\u00a0\u00a031m de longitud y pesan poco m\u00e1s de 150 toneladas.\u00a0Los ejemplares que habitan el hemisferio sur son generalmente de mayor tama\u00f1o que las del hemisferio norte; suelen ser m\u00e1s grandes las hembras (para poder parir sus enormes cr\u00edas)\u00a0que los machos (un m\u00e1ximo de 24m y 80 toneladas). Pueden llegar a profundidades de 500 metros. Normalmente se desplazan a 22 km\/h, aunque si perciben alguna amenaza pueden alcanzar hasta 50 km\/h, llegando a bajar esa velocidad hasta los\u00a06.5 km\/h cuando se alimentan.<\/p>\n<p>De cuerpo alargado y cabeza ancha, este impresionante rorcual no tiene dientes, sino barbas, unos 300-400 formaciones en cada lado de su mand\u00edbula, parecidas a las cerdas de un cepillo, ideales para capturar presas peque\u00f1as y que pueden medir hasta 1 metro.<\/p>\n<p>Puede permanecer bajo el agua por periodos de 10 a 20 minutos, saliendo a respirar despu\u00e9s de este tiempo a la superficie, lanzando el chorro caracter\u00edstico de esta especie, que puede llegar a alturas de 6 a 12 metros, \u00a1imag\u00ednense las dimensiones!<\/p>\n<h2><strong>Alimentaci\u00f3n de la ballena azul<\/strong><\/h2>\n<p>Sorprendentemente la alimentaci\u00f3n de estos impresionantes animales se basa en crust\u00e1ceos muy peque\u00f1os; el krill es su sustento favorito. Cada individuo puede comer hasta 40 millones de estos crust\u00e1ceos diarios en su \u00e9poca de alimentaci\u00f3n, y necesitan alrededor de\u00a01.5 millones de calor\u00edas al d\u00eda para mantenerse activos.<\/p>\n<p>Los oc\u00e9anos Pac\u00edfico Norte y Ant\u00e1rtico Norte, albergan las poblaciones m\u00e1s grandes de estos cet\u00e1ceos. Se trata de una especie muy da\u00f1ada por la caza de ballenas y en muchas zonas a\u00fan no se ha recuperado.\u00a0De las 4 subespecies de estos rorcuales azules que hay en el mundo, solo una habita en el Atl\u00e1ntico Norte, y se estima que no hay m\u00e1s de 400 individuos en nuestra zona del Atl\u00e1ntico, con lo que haber avistado una en nuestras aguas es todo un privilegio. Estamos deseando encontrarnos con esta ballena azul en nuestras excursiones en barco desde Corralejo.<\/p>\n<h2><strong>Comportamiento de la ballena azul<\/strong><\/h2>\n<p>En cuanto a su comportamiento se han avistado\u00a0ballenas azules en solitario, en pareja o en grupos peque\u00f1os de no m\u00e1s de 7 individuos. Cuando hay gran cantidad de alimento, y en situaciones contadas, se han llegado a ver hasta 60 de estos animales juntos.\u00a0Generalmente se alimentan a m\u00e1s de 100 m de profundidad durante el d\u00eda y solo en la noche en la superficie.\u00a0Su alimentaci\u00f3n es por un sistema de filtrado: abre su boca introduciendo gran cantidad de agua y de krill, entonces cierra sus mand\u00edbulas y empuja el agua de vuelta hacia fuera a trav\u00e9s de sus barbas, quedando sus presas atrapadas; con este sistema accidentalmente consume tambi\u00e9n peque\u00f1os peces, crust\u00e1ceos y calamares que nadan entre el krill.<\/p>\n<h2><strong>Reproducci\u00f3n y cr\u00edas de la ballena azul<\/strong><\/h2>\n<p>En cuanto a su reproducci\u00f3n, su periodo de gestaci\u00f3n dura alrededor de un a\u00f1o, y su madurez sexual llega aproximadamente a sus 10 a\u00f1os. Dan a luz una sola cr\u00eda cada 3 a\u00f1os.\u00a0Los ballenatos nacen en invierno en aguas c\u00e1lidas con la capacidad de realizar una migraci\u00f3n de miles de kil\u00f3metros hasta aguas polares donde alimentarse el siguiente verano. Las cr\u00edas, al nacer,\u00a0miden unos 7 metros de longitud y pesan hasta tres toneladas; durante 8 meses se alimentan de leche materna, casi 400 litros al d\u00eda, creciendo diariamente hasta 90 kg m\u00e1s, con lo que cuando les llega el destete probablemente la cr\u00eda ya ha doblado su tama\u00f1o.<\/p>\n<p>Tienen una larga esperanza de vida, una media de 90 a\u00f1os, aunque pueden vivir incluso hasta los 110 a\u00f1os.<\/p>\n<h2>El Canto de la balleza azul<\/h2>\n<p>Estos grandes animales emiten un <strong>sonido profundo y resonante que se puede captar a cientos de kil\u00f3metros bajo las aguas.<\/strong> No se sabe mucho sobre los motivos que les llevan a producir estos cantos, pero todos los grupos de rorcuales azules emiten llamadas de al menos entre 10 y 30\u00a0segundos de duraci\u00f3n.<\/p>\n<p>La ballena azul es una <strong>especie en peligro de extinci\u00f3n<\/strong> por varios motivos, muchos ejemplares mueren por heridas realizadas por grandes buques o por quedar atrapados en redes de pesca. Por supuesto, el calentamiento global afecta a las especies de las que se alimenta.\u00a0Actualmente la caza de ballenas est\u00e1 penada en cualquier continente, aunque sigue habiendo caza ilegal.\u00a0Es importante proteger las zonas de concentraci\u00f3n de la especie y sus corredores migratorios. Su presencia en la zona de Fuerteventura y Lanzarote nos vuelve a recordar la importancia de esta zona.<\/p>\n<p><img loading=\"lazy\" class=\"alignnone wp-image-829 size-full\" title=\"ballena-azul\" src=\"http:\/\/blog.fuertecharter.com\/wp-content\/uploads\/2014\/10\/ballena-azul-2.jpg\" alt=\"FuerteCharter | Ballena azul en Fuerteventura\" width=\"600\" height=\"309\" srcset=\"https:\/\/blog.fuertecharter.com\/wp-content\/uploads\/2014\/10\/ballena-azul-2.jpg 600w, https:\/\/blog.fuertecharter.com\/wp-content\/uploads\/2014\/10\/ballena-azul-2-300x154.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>Deseando estamos ver m\u00e1s de cerca a esta ballena azul, a la que se ha llamado Esperanza, en nuestras excursiones desde Corralejo. Les mantendremos informados.<\/p>\n<p><strong><em>Equipo de FuerteCharter\u00a0<\/em><\/strong><\/p>\n<p>&nbsp;<\/p>\n<p><figure id=\"attachment_828\" aria-describedby=\"caption-attachment-828\" style=\"width: 600px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" class=\"wp-image-828 size-full\" title=\"ballena-azul\" src=\"http:\/\/blog.fuertecharter.com\/wp-content\/uploads\/2014\/10\/ballena-azul-1.jpg\" alt=\"FuerteCharter | Ballena azul en Fuerteventura\" width=\"600\" height=\"429\" srcset=\"https:\/\/blog.fuertecharter.com\/wp-content\/uploads\/2014\/10\/ballena-azul-1.jpg 600w, https:\/\/blog.fuertecharter.com\/wp-content\/uploads\/2014\/10\/ballena-azul-1-300x214.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-828\" class=\"wp-caption-text\">ngm.nationalgeographic.com<\/figcaption><\/figure><\/p>","protected":false},"excerpt":{"rendered":"<p>A blue whale, the biggest animal in the world, can be spotted very near the area where we make our boat trips from Corralejo. Some time ago, the Strait of \u201cLa Bocaina\u201d which separates Fuerteventura and Lanzarote a blue whale was seen, by a group of investigators. This sighting took place during the campaign for &hellip; <a href=\"https:\/\/blog.fuertecharter.com\/en\/ballena-azul-fuerteventura\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">The blue whale in Fuerteventura<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":6,"featured_media":830,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[16],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v15.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<meta name=\"description\" content=\"Un grupo de investigadroes avista una ballena azul cerca de la zona de nuestras excursiones en barco desde Corralejo, en Fuerteventura.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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