Tanygnathus

Most species look mostly green until they turn their head and reveal bright blue or turquoise patches

These parrots are recognized for their strong builds, long wings, and powerful beaks, which are well-suited for cracking hard seeds and fruits. Most species in this genus are predominantly green, allowing them to blend into forest canopies, but they are often highlighted by bright patches of blue, turquoise, or yellow on the head, neck, or wings, giving them a distinctive, colorful appearance.

One of the most defining features of Tanygnathus parrots is their large, heavy beak. Compared to many other parrots of similar size, their beaks are broader and stronger, enabling them to feed on tough nuts, seeds, and unripe fruits that other birds may struggle to open. This feeding ability reduces competition and allows them to take advantage of a wide range of food sources. In addition to seeds and fruits, some species also eat flowers and leaf buds, indicating a flexible, adaptable diet.

Parrots in the genus Tanygnathus are generally social birds, often seen in pairs or small groups. They communicate using loud, sharp calls that carry far through the forest, helping individuals stay in contact while flying or feeding. These calls can sound harsh or repetitive, especially during early morning and late afternoon when the birds are most active. Their flight is strong and direct, with steady wingbeats that allow them to travel efficiently across open spaces between forest patches or even between islands.

Breeding behavior within the genus follows a similar pattern across species. Tanygnathus parrots usually nest in tree cavities, relying on old or naturally formed holes rather than building nests from scratch. The female typically lays a small clutch of eggs, and both parents share responsibilities such as guarding the nest and feeding the chicks. The young birds remain in the nest for several weeks and continue to rely on their parents even after fledging, learning important feeding and survival skills during this time.