Translations:AY Honors/Birds - Advanced/Answer Key/15/en
From Pathfinder Wiki
Their legs are also specialized. Wading birds have long legs to allow them to venture into deeper water in search of fish. The ostrich has large, powerful legs for running (they can reach speeds of 65 km/h (40 mph), the top land speed of any bird. Furthermore, their legs are featherless, which allows them to control their temperature. When it's cold, they can cover their thighs with their wings. When it's hot, they uncover them, allowing them to cool off.
