Football vs Hen: size comparison
Football: 22 cm. Hen: 40 cm. Both silhouettes are drawn at the same scale.
Size ratio: ×1.8
Football
22 cm
What is measured Diameter of a size 5 football
It must weigh between 410 and 450 g at kick-off.
Hen
40 cm
What is measured Height of an adult hen standing, comb included
Chickens descend mainly from the red junglefowl of Southeast Asia.
Source : Wikipedia — Chicken