
Для чего служит киль у птиц?


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The Purpose of a Bird's Keel
The keel is a prominent feature found in birds, and it serves an important purpose in their anatomy. The keel is a large, bony ridge that runs along the sternum or breastbone of a bird. It provides a site for the attachment of flight muscles, specifically the pectoral muscles, which are responsible for powering the bird's wings during flight.
The primary function of the keel in birds is to facilitate flight. The attachment of the powerful flight muscles to the keel allows birds to generate the necessary force and movement required for sustained flight. The keel acts as a structural support, providing a strong anchor point for the pectoral muscles to exert force and generate lift.
The shape and size of the keel can vary among different bird species, depending on their flight capabilities. Birds that are strong fliers, such as eagles or hawks, have large and well-developed keels to accommodate their powerful flight muscles. In contrast, birds that are not strong fliers, such as ostriches or penguins, have smaller and less pronounced keels.
It is important to note that not all birds can fly. Flightless birds, such as ostriches, emus, and penguins, have reduced or absent keels because they do not require the same level of flight muscle development.


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