The legs are short and weak, and the feet are zygodactyl.

Bills are olive grey and legs blueish-grey, with zygodactyl toes.

In common with other parrots, they have zygodactyl feet, two toes pointing forward and two backward.

Parrots have strong zygodactyl feet with sharp, elongated claws, which are used for climbing and swinging.

"Got every drink from Ale to Zygodactyl pee."

Roadrunners have 4 toes on each zygodactyl foot; two face forward, and two face backward.

The legs are dark-brown, with zygodactyl toes.

They have zygodactyl feet and stiff tail feathers which allows them to maintain a vertical position on trees; typical of woodpeckers.

Birds feet are classified as anisodactyl, zygodactyl, heterodactyl, syndactyl or pamprodactyl.

The cuckoo's zygodactyl toes, with two pointing forwards and two pointing back.

Woodpeckers, piculets and wrynecks all possess zygodactyl feet.

Characteristic features of parrots include a strong, curved bill, an upright stance, strong legs, and clawed zygodactyl feet.

Woodpeckers have zygodactyl feet.

Kakapo feet are large, scaly, and, as in all parrots, zygodactyl (two toes face forward and two backward).

Some woodpeckers and wrynecks in the order Piciformes have zygodactyl feet, with two toes pointing forward, and two backward.

Macaws, like other parrots, toucans and woodpeckers, are zygodactyl, having their first and fourth toes pointing backwards.

Reconstruction of the evolutionary history of the Piciformes has been hampered by poor understanding of the evolution of the zygodactyl foot.

Although in the four-toed species, the toes normally have a zygodactyl or yoked arrangement while on the ground, one toe can be rotated forward for climbing.

Zygodactyl feet consist of four toes, the first (hallux) and the fourth facing backward and the second and third facing forward.

Roadrunners and other members of the cuckoo family have zygodactyl feet (two toes in front and two toes in back).

Although "zygodactyl" is reasonably descriptive of chameleon foot anatomy, their foot structure does not resemble that of parrots, to which the term was first applied.

They are very finch-like but the feet are strong and the feet are zygodactyl, with two toes facing forward and two backward.

This is known as being zygodactyl, a feature that is found in many climbing birds, not least your pet budgerigar and other parrots, and indeed woodpeckers.

Keel-billed toucans have zygodactyl feet (or feet with toes facing in different directions) - two toes face forward and two face back.

Zygodactyl tracks have been found dating to 120-110 Ma (early Cretaceous), 50 million years before the first identified zygodactyl fossils.