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How do galliform birds uncover insects and other food in leaf litter?

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A peacock stands with its vibrant green and blue tail feathers fully fanned out in display, showing eye-like patterns across the plumage. — Galliform Blue, or Indian, peacock (*Pavo cristatus*) displaying its resplendent feathers.

Many galliform birds, which are primarily vegetarian but also consume insects, worms, and other invertebrates, use their feet to uncover food hidden within leaf litter.1