As, of today the Ostrich is considered as the LARGEST living bird known to man. It can reach up to heights of 2.1-2.8 meters for male and 1.7-2m for female. It has an average mass of 120kg for male and 100 kg for female.
Ostriches cannot fly, but instead, have legs that support running at fast speeds.
i seriously don't know what the question so what if the box is moving? give us a question to
20.. this can help but check it in time calculator!