, ▁the ▁most ▁common ▁type ▁is ▁a ▁small ▁building ▁with ▁a ▁small ▁entry way ▁under ▁a ▁con ical ▁roof ▁covered ▁in ▁pal m ▁leaves ▁or ▁that ch ing . ▁Build ers ▁make ▁walls ▁from ▁locally ▁available ▁materials , ▁so ▁the ▁M ata k am ▁use ▁stone , ▁the ▁Ful ani ▁use ▁cl ay , ▁and ▁the ▁Gu iz igi ▁we ave ▁walls ▁of ▁st raw . ▁The ▁head ▁of ▁a ▁particular ▁household ▁or ▁line age ▁often ▁builds ▁several ▁small ▁houses ▁within ▁a ▁single , ▁w alled ▁comp ound ▁called ▁a ▁sar é . ▁These ▁comp ounds ▁tend ▁to ▁be ▁built ▁with ▁the ▁comp ound ▁of ▁the ▁chief ▁at ▁their ▁centre , ▁and ▁all ▁houses ▁have ▁a ▁gran ary ▁nearby , ▁as ▁the ▁long ▁dry ▁season ▁prevents ▁year - round ▁food ▁cultiv ation . ▁Con cent ric ▁far ms ▁surr ound ▁the ▁settlement , ▁these ▁surrounded ▁by ▁h ed ges ▁to ▁keep ▁liv est ock ▁away . ▁Bor oro ▁Ful ani ▁are ▁primarily ▁nom adic , ▁though ▁they ▁do ▁establish ▁some ▁semi - per man ent ▁settlement s ▁for ▁the ▁old ▁or ▁inf irm . ▁ ▁The ▁province ▁is ▁Cam ero on ' s ▁fourth ▁most ▁dens ely ▁populated , ▁with ▁ 1 , 8 5 5 , 6 9 5 ▁people ▁and ▁an ▁average ▁of ▁ 5 4 ▁inhabitants ▁per ▁km ². ▁Most ▁of ▁this ▁population ▁lives ▁in ▁the ▁cor rid or ▁between ▁Mar ou a , ▁which ▁has ▁ 2 1 4 , 0 0 0 ▁inhabitants , ▁and ▁M ok olo