Noun
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.
Source: Webster's dictionaryThis still-unresolved enigma in poetic form is said to have been composed by Emperor Tenji while he was still Crown Prince during the reign of Empress Saimei: :::Mount Kagu strove with Mount Miminashi ::: For the love of Mount Unebi. Source: Internet
The poem was long considered to be about two male hills in a quarrel over a female hill, but scholars now consider that Kagu and Mimihashi might be female hills in love with the same male hill, Unebi. Source: Internet