{"id":88667,"date":"2024-12-12T15:22:54","date_gmt":"2024-12-12T20:22:54","guid":{"rendered":"https:\/\/thecitizenfortheworld.com\/?p=88667"},"modified":"2024-12-12T15:22:54","modified_gmt":"2024-12-12T20:22:54","slug":"la-epica-migracion-de-una-ballena-que-partio-de-colombia-y-aparecio-a-mas-de-13-000-km-en-la-costa-de-zanzibar","status":"publish","type":"post","link":"https:\/\/thecitizenfortheworld.com\/?p=88667","title":{"rendered":"La \u00e9pica migraci\u00f3n de una ballena que parti\u00f3 de Colombia y apareci\u00f3 a m\u00e1s de 13.000 km en la costa de Zanz\u00edbar"},"content":{"rendered":"
\n
Una ballena jorobada realiz\u00f3 una de las migraciones m\u00e1s largas e inusuales jam\u00e1s registradas.<\/b><\/div>\n<\/figure>\n
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La ballena fue avistada en el oc\u00e9ano Pac\u00edfico frente a la costa de Colombia en 2017 y apareci\u00f3 varios a\u00f1os despu\u00e9s cerca de Zanz\u00edbar en el oc\u00e9ano \u00cdndico, a una distancia de al menos 13.000 km.<\/p>\n<\/div>\n

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Los expertos creen que este viaje \u00e9pico podr\u00eda deberse a que\u00a0el cambio clim\u00e1tico est\u00e1 agotando las reservas de alimentos<\/b>\u00a0o tal vez se trate de una odisea para encontrar pareja<\/b>.<\/p>\n<\/div>\n

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Ekaterina Kalashnikova, investigadora del Programa de Cet\u00e1ceos de Tanzania, dijo que la haza\u00f1a era “realmente impresionante e inusual incluso para esta especie altamente migratoria”.<\/p>\n<\/div>\n

\n
\"Cola<\/p>\n

Fuente de la imagen, <\/span>Ekaterina Kalashnikova<\/span><\/p>\n<\/div>

Pie de foto, <\/span>La ballena en la costa de Zanz\u00edbar en 2022.<\/span><\/span><\/figcaption><\/figure>\n
\n

Es muy probable que se trate de\u00a0la distancia m\u00e1s larga jam\u00e1s registrada para la migraci\u00f3n de una ballena jorobada<\/b>, se\u00f1al\u00f3 Kalashnikova.<\/p>\n<\/div>\n

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Estos cet\u00e1ceos viven en todos los oc\u00e9anos del mundo. Viajan largas distancias cada a\u00f1o y realizan una de las migraciones m\u00e1s largas de cualquier mam\u00edfero, nadando desde zonas de reproducci\u00f3n tropicales hasta \u00e1reas de alimentaci\u00f3n en aguas m\u00e1s fr\u00edas.<\/p>\n<\/div>\n

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Pero la traves\u00eda de esta ballena macho fue a\u00fan m\u00e1s espectacular, ya que involucr\u00f3 dos zonas distantes.<\/p>\n<\/div>\n

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Una teor\u00eda es que el cambio clim\u00e1tico\u00a0est\u00e1 alterando la abundancia del diminuto krill<\/b>, un tipo de crust\u00e1ceo del que se alimentan las ballenas jorobadas, oblig\u00e1ndolas a viajar m\u00e1s lejos en busca de sustento.<\/p>\n<\/div>\n

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Otra posible explicaci\u00f3n es que las ballenas podr\u00edan estar\u00a0explorando nuevas zonas de reproducci\u00f3n a medida que las poblaciones se recuperan gracias a los esfuerzos globales de conservaci\u00f3n<\/b>.<\/p>\n<\/div>\n

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“Aunque se desconocen las razones reales, entre los factores podr\u00eda haber cambios globales en el clima, eventos ambientales extremos (que son m\u00e1s frecuentes hoy en d\u00eda) y mecanismos evolutivos de las especies”, explic\u00f3 Kalashnikova.<\/p>\n<\/div>\n

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\"Mapa<\/div>
Pie de foto,<\/span><\/span><\/figcaption><\/figure>\n
\n

El macho errante estaba entre un grupo de jorobadas fotografiadas desde un barco de investigaci\u00f3n en la costa del Pac\u00edfico de Colombia en 2013.<\/p>\n<\/div>\n

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Luego fue identificado en un \u00e1rea similar en 2017 y frente a Zanz\u00edbar en 2022.<\/p>\n<\/div>\n

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Los avistamientos est\u00e1n separados por una distancia de c\u00edrculo m\u00e1ximo de 13.046 kil\u00f3metros.\u00a0Es la distancia m\u00ednima para la ruta que la ballena podr\u00eda haber tomado, aunque es probable que sea mucho mayor<\/b>, seg\u00fan los cient\u00edficos.<\/p>\n<\/div>\n

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Dado que la Tierra es una esfera, el camino m\u00e1s corto entre dos puntos se expresa mediante la distancia del c\u00edrculo m\u00e1ximo, un arco que une dos puntos de una esfera y es la ruta m\u00e1s corta entre dos puntos dados.<\/p>\n<\/div>\n

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Los hallazgos del art\u00edculo publicado en la revista\u00a0Royal Society Open Science<\/i>\u00a0se basan en cientos de miles de fotograf\u00edas de ballenas enviadas por investigadores, observadores de ballenas y miembros del p\u00fablico al sitio web de ciencia ciudadana happywhale.com.<\/p>\n<\/div>\n

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La base de datos utiliza inteligencia artificial para identificar ballenas jorobadas\u00a0seg\u00fan las formas y patrones individuales de sus colas o aletas<\/b>, lo que permite mapear sus movimientos alrededor del mundo.<\/p>\n<\/div>\n

<\/figure>\n
\n

(Con informaci\u00f3n de BBC News Mundo.)<\/i><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

Una ballena jorobada realiz\u00f3 una de las migraciones m\u00e1s largas e inusuales jam\u00e1s registradas. La ballena fue avistada en el oc\u00e9ano Pac\u00edfico frente a la costa de Colombia en 2017 y apareci\u00f3 varios a\u00f1os despu\u00e9s cerca de Zanz\u00edbar en el oc\u00e9ano \u00cdndico, a una distancia de al menos 13.000 km. 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