* Size: Tuis are medium-sized birds, measuring approximately 25-32 cm in length.
* Plumage: Tuis are known for their distinctive black-and-white plumage.
- The head, wings, and tail are deep black, while the body and underparts are bright white.
- The white feathers may have a slight iridescent sheen in certain light conditions.
* Bill: Tuis possess a long, curved bill that is mainly black in color. The tip of the bill can be yellowish or pale orange.
* Eyes: Tuis have dark brown or black eyes that stand out against their contrasting black and white plumage.
* Sex Differences: Male and female tuis are similar in appearance, with no noticeable differences in plumage.
* Tail: The tail of a tui is long and graduated, meaning the feathers are progressively longer towards the center. The black feathers on the tail have iridescent tips.
Additional Notable Characteristics:
* Tui feathers have remarkable strength and flexibility, allowing them to withstand vigorous movements during flight and foraging.
* Tuis have powerful legs and feet, which they use for perching, climbing, and capturing insects and fruits.
* They have a distinctive call that is often described as a melodious and varied song, consisting of clear, bell-like notes, whistles, and trills.
* Tuis are native to New Zealand and play an important ecological role as pollinators and seed dispersers in the local ecosystems.