Yaifo

Ndị Yaifo bụ ebo dịpụrụ adịpụ na East Sepik Province nke Papua New Guinea na ugwu ugwu . "The Independent State of Papua New Guinea : Country Programme Evaluation : Evaluation Report". Ifad.org. January 2002. Retrieved 17 November 2017.  Onye edemede Britain, onye mgbasa ozi na onye nyocha, Benedict Allen kọwara agbụrụ ahụ, na akụkọ ya nke njem 1988, The Proving Grounds: A Journey through the Interior of New Guinea na Australia (1991).   Wang, Amy B. (16 November 2017). "A British explorer is ending his latest expedition with something he didn't want: A rescue". Washington Post. Retrieved 17 November 2017.

 Ebe 
Ndị International Fund for Agricultural Development (IFAD) depụtara agbụrụ Yaifo n'etiti agbụrụ na agbụrụ Simbu na East Sepik.   A na-eleta ebo a ugboro ugboro ma so na ndị kacha dịrị anya na Papua New Guinea. Ha bụ otu n'ime ebo ole na ole nke ndị nọ n'ụwa na-adịghị anọgide na-enwe mmekọrịta ha na ndị ọzọ.  Edepụtara obodo Yaipo dị na East Sepik Province dị ka ị na-asụ olumba nke asụsụ Nete, nke na-eme ka mgbanaka n'etiti ụdaume na-atụ aro ịkpọ /jaiɸo/. 

 Kpọtụrụ na omenala ndị ọzọ 
Onye nyocha Benedict Allen letara ebo a na 1988.  Na Nọvemba 2017, a kọrọ na Allen furu efu mgbe ọ na-eme atụmatụ nleta nke abụọ na ebo ahụ, mana emechara napụtara ya n'enweghị mmerụ ahụ.   Na o zutere ebo nke mbụ afọ 30 gara aga, o dere na a kelere ya, "ihe ngosi dị egwu nke ike" na egwu dị ike nke ha gosipụtara ụta na akụ ha. 

 Hụkwa 

 Ndị mmadụ na-enweghị njikọ
 Sentinese
 Mashco Piro
 Ụmụ amaala
 Agbụrụ

 Edensibia 
bụ otu n'ime ebo ole na ole nke ndị nọ n'ụwa na-adịghị anọgide na-enwe mmekọrịta ha na ndị