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Flightless Bird Fossil

Fossil of Calciavis grandei, an ancient flightless bird from the Eocene epoch, 50 million years ago, Green River formation, Wyoming. The well-preserved fossil shows imprints of feathers protruding from the back end of the bird (on the right). Calciavis belongs to the extinct group of birds known as the Palaeognathae. They are closely related to ostriches, kiwis and tinamous.
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Título:
Flightless Bird Fossil
Descripción: Ver traducción automática
Fossil of Calciavis grandei, an ancient flightless bird from the Eocene epoch, 50 million years ago, Green River formation, Wyoming. The well-preserved fossil shows imprints of feathers protruding from the back end of the bird (on the right). Calciavis belongs to the extinct group of birds known as the Palaeognathae. They are closely related to ostriches, kiwis and tinamous.
Crédito:
Album / Science Source / Martin Shields
Autorizaciones:
Modelo: No - Propiedad: No
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Tamaño imagen:
5298 x 4166 px | 63.1 MB
Tamaño impresión:
44.9 x 35.3 cm | 17.7 x 13.9 in (300 dpi)
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