Viaje a las profundidades del Océano (VIDEO) + Extrañas criaturas marinas (FOTOS)

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  Pero, ¿qué es un Océano? U n océano es una enorme masa de agua salada que representa un importante ecosistema para el equilibrio ecológico de la Tierra y que constituye el  71% de la superficie terrestre , gracias a los 360,132,000 km² de su extensión. Y,  ¿cuántos océanos existen? Lo que cubre gran parte de la superficie de la Tierra, es en sí, un solo océano. Es decir, una sola masa de agua. Para un mejor estudio, el hombre dividió esta enorme masa en 5 partes de acuerdo a su ubicación geográfica. Por ello, la expresión “los océanos”, es correcta. Importancia de los océanos *Absorben entre un 25 y 30% del dióxido de carbono emitido a la atmósfera, por lo que Equilibran el clima de toda la Tierra. *Representan numerosos ecosistemas para diversas formas de vida animal, vegetal, bacteriana, protista y fúngica. *Son hogar para miles de especies, conocidas y aún desconocidas. Existen aproximadamente 250,000 especies conocidas, pero se cree que puedan haber 750,000 más. *Proveen fuentes

02-Mar-2011 - Best Rare-Bird Pictures of 2010 (Aves Raras: Mejores Fotos del 2010)

English Article

1) Asian Crested Ibis
Photograph courtesy Quan Min Li via theworldsrarestbirds.com
A picture of an endangered Asian crested ibis soaring over China is a first-prize winner in the first annual World's Rarest Birds international photo competition, organizers announced
 in January.

 2) Scaly-Sided Merganser
Photograph courtesy Martin Hale via theworldsrarestbirds.com
Two endangered scaly-sided mergansers glide across the water in a picture that won fifth place in the "endangered or data deficient" category.


 3) Forest Owlet
Photograph courtesy Jayesh K. Joshi via theworldsrarestbirds.com
A picture of central India's forest owlet earned fourth place in the "critically endangered or extinct in the wild" category.

 
4) Red-Crowned Crane
Photograph courtesy Huajin Sun via theworldsrarestbirds.com
Named a second place winner in the "endangered or data-deficient" category, the above picture shows a red-crowned crane making a courtship display.


5) Orange-Bellied Parrot
Photograph courtesy David Boyle via theworldsrarestbirds.com
This "touching image" of two orange-bellied parrots won the category for critically endangered migrating birds, according to a World's Rarest Birds contest statement.


6) Kakapo
Photograph courtesy Shane McInnes via theworldsrarestbirds.com
One of the rarest birds of all is New Zealand's kakapo. The above picture of the large, flightless bird approaching the camera snagged first place in the "critically endangered or extinct in the wild" category.


 7) Honduran Emerald
Photograph courtesy Robert E. Hyman via theworldsrarestbirds.com
A photograph of a Honduran emerald perched on a branch earned fifth place in the "critically endangered or extinct in the wild" category.


 8) Palila
Photograph courtesy Eric A. VanderWerf via theworldsrarestbirds.com
A "superb study" of a palila in Hawaii received sixth place in the "critically endangered or extinct in the wild" category, according to a World's Rarest Birds contest statement.


9) Christmas Island Frigatebird
Photograph courtesy David Boyle via theworldsrarestbirds.com
A picture of a Christmas Island frigatebird flying over the Indian Ocean snagged third place in the "critically endangered or extinct in the wild" category.


 10) Brazilian Merganser
Photograph courtesy Savio Freire Bruno via theworldsrarestbirds.com
A "captivating" photo of a Brazilian merganser and her ducklings won second prize in the "critically endangered or extinct in the wild" category, according to a World's Rarest Birds contest statement.


 11) Great Indian Bustard
Photograph courtesy Csaba Barkoczi via theworldsrarestbirds.com
A shot of the Great Indian bustard in mid-flight snagged fourth place in the "endangered or data deficient" category.


12) Marvellous Spatuletail
Photograph courtesy Daniel Rosengren via theworldsrarestbirds.com
The third place winner in the "endangered or data deficient" category is a picture of Peru's marvellous spatuletail.
Sources: nationalgeographic.com 
theworldsrarestbirds.com

Comentarios

  1. Si, la verdad que todas son muy bonitas y es difícil elegir una de ellas.
    Besos y gracias por tu comentario

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