WAEC - Biology (1994 - No. 7)

The foot labelled III is strong and has blunt claws
on its digits, This implies that the bird

is a scavenger

is a bird of prey

is a marine bird

uses the foot to scratch the soil

uses the foot to supplement wing action in flight

III is the foot of a domestic fowl, it is short, blunt, and has strong claws on their toes for scratching the soil.