Kagu n. : A singular, crested, grallatorial bird (Rhinochetos jubatus), native of New Caledonia. It is gray above, paler beneath, and the feathers of the wings and tail are handsomely barred with brown, black, and gray. It is allied to the sun bittern.

Example:
What is the life span,reproduction,and the gestation period of a Kagu Bird?

Taxonomy
birds, New Caledonia, species, Rhynochetos jubatus, Lowland Kagu, prey, dogs, the egg, Gruiformes, Kagus, Rhynochetidae, free encyclopedia, Rhynochetos, Breeding, Sunbittern, Rivière Bleue, Hunt, bird species.

Defination from the web:
Kagu. ... Nonwithstanding, the Kagu and Sunbittern - and possibly the adzebills - seem to form a distinct Gondwanan lineage of birds, possibly one order, ...