List in List

• Mammals
  1. Dog
     1. Collie
     2. Dashshund
     3. Poodle
     4. Shalty
  2. cats
     1. Persian
     2. Calico
     3. Sizmes
  3. pig
     1. Pot Bely
• Fish
  1. Trout
     1. Brown
     2. Rainbow
     3. Brook
  2. Gold
  3. Sword
• Insects
  1. Antes
  2. Grasshopper
  3. Fly
• Brids
  1. Blue
  2. Eagle
  3. Quail
  4. Robin