All the explanation for this example is in the source code.

• Why are these animals are cool?
• Wildebeest
  • Name sounds cool - beest mode.
  • Frequently gets eaten by crocodiles on educational TV.
• Fly
  • Has 800 hexagonal 'eyes'.
  • Makes you wonder why fish aren't called swims.
• Crocodile
  • Has double eyelids.
  • Has to lay in sun to digest food.
  • Love to eat wildebeest.

Bat	Rat	Cat
Louse	Mouse	House