Bird

The developing bird pelvis crosses the ancestral conditions of the dinosaurs

The developing bird pelvis crosses the ancestral conditions of the dinosaurs

Hindquarters of embryonic quail imaged by confocal laser scanning microscopy. The skeleton is in green, the nerves in blue and the muscles in red. The pelvis of this quail embryo has just transformed into a relatively “modern” bird configuration. Credit: Christopher T. Griffin and Bhart-Anjan S. Bhullar All baby birds have a moment before hatching …

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