Why do galliform birds have strong feet with four toes?

Created from Britannica articles using AI. AI can make mistakes, so verify using Britannica articles.

Galliform birds, which include species such as chickens, turkeys, and pheasants, possess strong, four-toed feet that are specifically adapted for a terrestrial lifestyle.1

Unlike birds that have evolved for specialized environments—such as those that have lost toes for rapid running or developed webs for swimming—galliforms are heavy-bodied birds that spend the majority of their time on the ground. Their robust feet provide the necessary support and stability for walking and scratching at the earth to forage for food. While most birds share a basic four-toed skeletal structure, the galliform foot is functionally specialized to sustain their weight and facilitate movement in their ground-dwelling habitats.123