Well-built muscles underlie athletic performance in birds

Muscle structure and body size predict the athletic performance of Olympic athletes, such as sprinters. The same, it appears, is true of wild seabirds that can commute hundreds of kilometers a day to find food, according to a recent paper by scientists from McGill and Colgate universities published in the Journal of Experimental Biology.

source https://phys.org/news/2021-01-well-built-muscles-underlie-athletic-birds.html