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

Baby gorilla
* Most baby gorillas reach ages.
* are about half as big as human babies.
* stay with their moms until they're three years old.

Eastern gorilla
* Most eastern gorillas depend on fruit
  - eat insects
* Most eastern gorillas have diets
  - ranges
* Most eastern gorillas live in different habitats
* Some eastern gorillas have zoos.
* are the larger species, and have darker and longer fur, particularly on their arms.
  - faces
  - vary diets

Female gorilla
* Most female gorillas reach ages
  - maturity
* Some female gorillas die at zoos
  - have crests
* approach males to initiate mating, and are only sexually receptive during estrous.
* are shorter, with smaller arm spans.
* give birth to one infant after a pregnancy of nearly nine months.
* take great care with their young, sometimes with other females babysitting.

Male gorilla
* Most male gorillas live at zoos
  - produce offspring
  - reach maturity
* Most male gorillas use canine teeth
* Some male gorillas have bonds
  - social bonds
* Some male gorillas have weak bonds
  - reach height
* are larger than female gorillas
  - much larger than the females, and are almost twice as heavy

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

Western gorilla
* Most western gorillas depend on fruit.
* Most western gorillas eat fruit
  - vegetation
* Most western gorillas have coats
  - gray coats
  - ranges
  - toes
  - rely on fruit
* Some western gorillas eat tomatoes.
* Some western gorillas have brow ridges
  - members
* Some western gorillas have pronounce brow ridges
* Some western gorillas live in central west african countries
  - elevation
* are generally lighter colored than eastern gorillas.
* have appetite
  - in groups that vary in size from two to twenty individuals

Young gorilla
* Most young gorillas stay with mothers.
* climb a lot, though.
* play often and are more arboreal than the large adults.
* sleep with their mothers.
  - their mothers until they reach the age of two or three

Zoo gorilla
* live for years.
* reach maturity
  - sexual maturity

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

Great ape
* All great apes build nests that serve as resting or sleeping platforms.
* All great apes exhibit a capacity for complex learning
  - hindgut modification
  - have slow life histories, and the orangutan is no exception
* Most great apes become dwellers
  - forest dwellers
* Most great apes consume animal food
* Most great apes have arms
  - characteristics
  - long arms
* are able to solve complex problems readily
  - animals
  - mammals
  - primates
* carry the bodies of their dead infants and learn to sign to humans.
* inhabit areas where their study and conservation is an enormous challenge.
* is an ape
* show slight Sylvian enlargements of the left auditory cortex.
* suffer from habitat destruction and hunting for the bush meat trade.

Hominid ape
* build nests for sleeping at night, and in some species, for sleeping during the day.
* construct nests during the day or by night, primarily for resting.

Modern ape
* build arboreal and terrestrial nests, and early hominins probably had similar behaviors.
* have large teeth that stick out past other teeth.