I've spend a few hours using wet & dry paper on my crow and my chameleon; rinsing them off, letting them dry and waxing. Then starting all over again because they weren't right yet... and again...and again.
Ended up with a coat of Liberon black patinating wax to enhance the dark feathers of the crow, but have since taken most of this off. Still not sure what looks best as there are lots of fault lines on that side which don't look great, so may try just a little black wax again. The chameleon alabaster also has fault lines running through it but on this they're not quite as noticeable as on the crow.
Ended up with a coat of Liberon black patinating wax to enhance the dark feathers of the crow, but have since taken most of this off. Still not sure what looks best as there are lots of fault lines on that side which don't look great, so may try just a little black wax again. The chameleon alabaster also has fault lines running through it but on this they're not quite as noticeable as on the crow.