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Keel


Keel


In bird anatomy, the Keel is an extension of the breastbone (sternum).


The keel provides an anchor to which a bird's wing muscles attach, thereby providing adequate leverage for flight.


Not all birds have keels, in particular flightless birds lack a keel structure.


The image on the right is a stylized skeleton of a bird, with the keel highlighted in blue.


Also see:
Sternum

 


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