* Length: 50–66 cm (20–26 in)
* Wingspan: 80–95 cm (31–37 in)
* Weight: 0.9–2.3 kg (2.0–5.1 lbs)
The pukeko is a large rail, with a long, pointed bill and a dark, glossy plumage. It is similar in size to the common moorhen, but has a longer neck and legs, and a more robust body. The male pukeko is slightly larger than the female, and has a brighter, more iridescent plumage.