Here is a model of an ostrich looking right at you.

Use a 0.4 nozzle.

Print at 100% infill with a layer height of 0.08mm with a base layer of 0.16mm

Filaments Used:
PLA PolyLite Brown Transmission Distance: 2
PLA PolyLite Red Transmission Distance: 8
PLA PolyLite Beige Transmission Distance: 3
PLA PolyLite White Transmission Distance: 5

Swap Instructions:
Start with Brown
At layer #9 (0.8mm) swap to Red
At layer #12 (1.04mm) swap to Beige
At layer #16 (1.36mm) swap to White for the rest.