Pic à croupion rouge vs Pic à bec clair

The Red-rumped Woodpecker is generally brighter above and darker below than the Pale-billed Woodpecker, and it tends to lack spots on the wing-coverts. The Pale-billed Woodpecker is distinguished by its pale bill and larger size.

Check the bill color: Pale-billed Woodpecker has a pale bill. Observe the size: Pale-billed is larger. Look for wing-covert spots: Red-rumped lacks spots.

The Pale-billed Woodpecker is larger than the Red-rumped Woodpecker.

Red-rumped Woodpecker is brighter above and darker below, lacking spots on the wing-coverts, while the Pale-billed Woodpecker has a distinctive pale bill.