Maranhão red-handed howler
The Maranhão red-handed howler ( "Alouatta ululata" ) is an endangered species of howler monkey endemic to forests ( for example Babaçu forests ) in the northeastern Brazilian states of Ceará , Maranhão and Piauí . 
<triplet> Brazil <subj> Ceará <obj> contains administrative territorial entity <subj> Maranhão <obj> contains administrative territorial entity <subj> Piauí <obj> contains administrative territorial entity <triplet> Ceará <subj> Brazil <obj> country <triplet> Maranhão <subj> Brazil <obj> located in the administrative territorial entity <triplet> Piauí <subj> Brazil <obj> country