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The 29 pages that link to Zygodactyl foot, each with the reason it gives.

• PasserineCompared with: Most passerines instead have three toes forward and one backward.

• AccipitridaeCompared with: Accipitrids generally have three forward toes and one backward toe, unlike zygodactyl birds.

• ParrotRelated: This toe arrangement helps parrots grip branches and manipulate food.

• WoodpeckerRelated: Two toes grip each side of a trunk, helping woodpeckers climb and brace themselves.

• PasseriformesCompared with: Unlike the typical passerine foot, this arrangement occurs in groups such as woodpeckers.

• CuckooRelated: This toe arrangement occurs in cuckoos and helps distinguish their foot structure.

• PsittaciformesRelated: This toe arrangement helps many psittaciforms grip branches and handle food.

• AccipitriformesCompared with: Most accipitriforms instead have three toes forward and one backward.

• PiciformesRelated: This toe arrangement aids gripping branches and climbing in many Piciformes.

• BudgerigarRelated: Its gripping feet help the budgerigar climb and handle food.

• ToucanRelated: This toe arrangement helps toucans grip branches while moving through trees.

• HornbillRelated: Hornbills use this gripping arrangement to move along branches and handle food.

• Bee-eaterBroader topic: This toe arrangement helps bee-eaters grip branches used as hunting perches.

• HoopoeCompared with: Unlike many perching birds, the hoopoe has three toes forward and one backward.

• LybiidaeRelated: This toe arrangement helps many barbets grip branches and climb trunks.

• MegalaimidaeRelated: This toe arrangement helps many barbets grip branches while feeding and nesting.

• ChachalacaCompared with: Chachalacas instead have the three-forward, one-back arrangement typical of galliform birds.

• Harpy eagleRelated: Its reversible outer toe helps the eagle grip large, struggling prey.

• MoorhenCompared with: Moorhens instead have three forward-pointing toes suited to spreading weight on vegetation.

• ParakeetRelated: This grasping arrangement helps parakeets climb and handle food.

• TuracoRelated: Turacos can rotate an outer toe to aid movement along branches.

• Amazon parrotRelated: This foot arrangement helps Amazon parrots grasp branches and food.

• CoucalRelated: This grasping foot plan occurs in cuckoos, though coucals also rely heavily on their strong legs.

• MousebirdRelated: This toe arrangement helps mousebirds climb and cling among branches.

• Oriental pied hornbillRelated: This toe arrangement helps hornbills grip branches as they move through trees.

• Prehensile-tailed porcupineRelated: Its grasping feet help hold branches while it climbs.

• StrigidaeRelated: This grasping foot arrangement helps strigids seize and hold prey.

• SwamphenRelated: Swamphens instead have long toes arranged for walking across soft ground and floating vegetation.

• True parrotBroader topic: The toe arrangement lets true parrots hold food while using their bills.