(Gallirallus australis)
Weka are large rails.They are predominantly rich brown mottled with black and grey;the brown shade varies from pale to dark depending on subspecies.The male is the larger sex at 50–60 cm (20–24 in) in length and 532–1,605 g (1.173–3.538 lb) in weight.Females measure 46–50 cm (18–20 in) in length and weigh 350–1,035 g (0.772–2.282 lb).The reduced wingspan ranges from 50 to 60 cm (20 to 24 in).The relatively large,reddish-brown beak is about 5 cm (2.0 in) long,stout and tapered,and used as a weapon.The pointed tail is near-constantly being flicked,a sign of unease characteristic of the rail family.Weka have sturdy legs and reduced wings.