GROUP Animals by same class type
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Animal: {
	Class: BIRD
	Species: Crow
	Vertebrate: true
	Color: java.awt.Color[r=0,g=0,b=0]
	};
Animal: {
	Class: BIRD
	Species: Cardinal
	Vertebrate: true
	Color: java.awt.Color[r=255,g=0,b=0]
	};
Animal: {
	Class: BIRD
	Species: Owl
	Vertebrate: true
	Color: java.awt.Color[r=0,g=0,b=0]
	};
Animal: {
	Class: ARTHROPOD
	Species: Mantis
	Vertebrate: false
	Color: java.awt.Color[r=0,g=255,b=0]
	};
Animal: {
	Class: ARTHROPOD
	Species: Spider
	Vertebrate: false
	Color: java.awt.Color[r=255,g=200,b=0]
	};
Animal: {
	Class: AMPHIBIAN
	Species: Frog
	Vertebrate: true
	Color: java.awt.Color[r=0,g=255,b=0]
	};
Animal: {
	Class: MAMMAL
	Species: Dog
	Vertebrate: true
	Color: java.awt.Color[r=128,g=128,b=128]
	};
Animal: {
	Class: MAMMAL
	...