I prefer dual-purpose birds, but they wouldn't be hard...
amber star- Amber
black star- Blackie
red star- Red
sapphire gem- Sapphire
ISA brown- Isa
golden comet- Goldie
:p
I'm intentionally non-creative. I only keep a few birds, so I name them after their breed.
Barred Plymouth Rock- Rocky
Buff Orpington- Buffy
Black Australorp- Aussie
Rhode Island Red- Red