Google the King Bird Of Paradise.  You won't be disappointed!  It's astonishing what evolution has done within this genus of 34 species.  Not just the colours, but also the courtship displays.  

Fingering weight (80% merino 20% nylon)

366m/430yd skeins

110g/3.9oz

2.25-3.25mm/1-3US

27-32 sts/10mm/4"