Black Crake

The adult Black Crake is 19–23 cm (7.5–9.1 in) long with a short tail and long toes. As its name implies, the adult has mainly black plumage, with a brown olive tone on the wings and upperparts which is rarely detectable in the field. The eye is red, the bill is yellow (hence the flavirostra of the binomial name), and the legs and feet are red, duller when not breeding.
The sexes are similar, but the male is slightly larger. Most males, but only 10% of females, have a hooked upper mandible. The immature bird has brown upperparts and a dark grey head and underparts. Its bill is greenish yellow, and its feet and legs are dull red. The downy chicks are black, as with all rails.