Talk:My Little Pony The Movie/@comment-188360-20170216032005/@comment-24245960-20170216040815

Being part bird, Griffon girls do tend to be a bit, um...

...ah, maybe Wikipedia can describe it best...

"The largest muscles in the bird are the pectorals, or the breast muscles, which control the wings and make up about 15 - 25% of a flighted bird's body weight. They provide the powerful wing stroke essential for flight. ... Both muscle groups attach to the keel of the sternum."