// usage
chance.animal()
chance.animal({type: 'zoo'})
Generate a random animal
chance.animal();
=> 'Cobra'
Default is any type of animal.
Optionally specify a specific type of animal
chance.animal({type: 'zoo'});
=> 'Lion'
Allowed types are: ocean
, desert
, grassland
, forest
, farm
, pet
, and zoo