Malaita Province to the bride's parents. The people of the main island are of Melanesian ethnicity. The outer islands of Ontong Java and Sikaiana are of a Polynesian ethnicity and are recognised as Polynesian outliers of Polynesian culture. Malaitan shell-money, manufactured in the Langa Langa Lagoon, is the traditional currency used in Malaita and throughout the Solomon Islands. The money consists of small polished shell disks which are drilled and placed on strings. It can be used as payment for bride price, funeral feasts and compensation, with the shell-money having a cash equivalent value. It is also worn as an adornment and
Choiseul Province Taro Island. The largest reptile is the saltwater crocodile ("Crocodylus porosus") known from Australia. Known birds are the Sanford's fish eagle ("Haliaeetus sanfordi"), the Pacific black duck ("Anas superciliosa"), and the eastern reef egret ("Egretta sacra"). Until the beginning of the 20th century, it was the only habitat of the now extinct Choiseul crested pigeon ("Microgoura meeki"). Choiseul is also an important breeding place for the loggerhead sea turtle ("Caretta caretta"). The flora is represented by mangroves and coconuts. Commercial logging continues to operate in Choiseul throughout the entire province. Nickel Mining is planned to commence in 2016 in Katupika