### animal | vertebrate | mammal | primate | ape | orangutan:

Bornean orangutan
* are divided into three subspecies, each occupying different parts of the Island
  - more heavy-set than the Sumatran species
* are more likely to descend from the trees to move around on the ground
  - trees on occasion and move around on the ground
* have darker hair and males have more pronounced cheek flanges that curve forward.
* live in both Indonesia and Malaysia.

Female orangutan
* Most female orangutans have babies
  - food
* Most female orangutans reach adulthood
  - maturity
  - sexual maturity
* Some female orangutans avoid contact.
* Some female orangutans have lower reproductive output
  - show differences
* are considerably shorter, with an average height of just three feet.
* give birth, on average, only once every eight years.

Male orangutan
* Most male orangutans establish ranges.
* Most male orangutans have development
  - physical development
  - teeth
* Most male orangutans possess cheek pads
* Some male orangutans leave mothers
  - reach height
  - steal food
* are intolerant of one another
  - less aggressive to each other since they have adapted to living in captivity
  - usually aggressive towards each other and fight over females
* have canine teeth
* play almost no role in raising the young.

### animal | vertebrate | mammal | primate | ape | orangutan:

Sumatran orangutan
* Most sumatran orangutans eat food.
* Most sumatran orangutans have ability
  - life
* Most sumatran orangutans live in degrade habitats
* are arboreal, which means they spend most of their time in the trees
  - critically endangered in the wild with only thousands left
  - located on the island of Sumatra
  - the most endangered great ape in the world
* eat a wide variety of foods
  - lighter hair, longer beards and narrower cheekpads than Borean orangutans
  - more sparse and lighter-coloured coats

Wild orangutan
* Most wild orangutans develop ability
  - amaze ability
* are, for the most part, indifferent to humans.
* do seem to laugh, but only when they are playing or being tickled.
* live only on the islands of Borneo and Sumatra.

Young orangutan
* Some young orangutans hold hands.
* learn by observing their mother's nest-building behaviour.

Pongid
* are nomads.
* is an ape

### animal | vertebrate | mammal | primate | ape | pongid:

Mountain gorilla
* Most mountain gorillas eat diets
  - feed on fruit
* Most mountain gorillas have diets
  - wrinkles
  - live in habitats
  - reach maturity
* Some mountain gorillas eat foliage.
* Some mountain gorillas live at elevation
  - in earth
* appear to receive most of their water requirements from the plants that they eat.
* are about the same height, though they tend to weigh a bit more
  - size of a grown up
  - especially vulnerable because their populations are so small and isolated
  - exceedingly rare
* are in danger of extinction from habitat loss, poaching, and war
  - large, quiet, shy apes that live in a few isolated mountain forests in Africa
  - mammals
  - on the verge of extinction
  - peaceful vegetarians who are devoted to their family groups
  - shy, retiring animals
  - still under threat
  - susceptible to virtually all human diseases
* are the largest and most endangered of the great apes
  - world's rarest primates
  - totally folivorous
* are very rare and live only in scattered areas throughout central Africa
  - susceptible to human diseases
* consume insects.
* eat and sleep in thick tangles of trees, plants, vines, and mosses
* have a slow rate of reproduction
  - longer hair and shorter arms than their lowland cousins
  - longer, silkier hair than the lowland varieties
  - the longest hair
* life in regions.
  - one of the most densely populated and turbulent regions of Africa
  - the wild only in two locations of Africa
* range up into cloud forest.
* tend to live in diverse habitats.