It is a member of the howler monkey genus " Alouatta ".
2.
This region is also the northernmost extent of the primate Alouatta palliata, or mantled howler.
3.
The fauna also includes the black howler monkey ( " Alouatta caraya " ).
4.
This species had an ulna that compares to the extinct members of the genus " Alouatta ".
5.
The hyoid of " Alouatta " is pneumatized, one of the few cases of postcranial pneumaticity outside Saurischia.
6.
It is sometimes considered a subspecies of the Venezuelan red howler and classified as " Alouatta seniculus arctoidea ".
7.
In 2005 he began to research the effects of isolation in fragments of rainforest caused by deforestation on the populations of alouatta.
8.
It was discovered that a form of the disease " jungle yellow fever " was carried by Red Howler monkeys ( " Alouatta macconnelli"
9.
As a comparison, the heaviest primate known to be successfully killed by harpy eagles was a Bolivian red howler ( " Alouatta sara " ).
10.
The alouatta are tree-dwelling animals that live virtually without touching the ground; the fragmentation of the rainforest causes them to become immobilized in one area.
