Is this genetic anomaly or breed specific

[Airbus]

Is this a genetic anomaly or breed specific
They are both bantums one has a really curved beak I thought they were
Both Millefleurs maybe I'm wrong ?

 

[junebuggena]

Bantams are a size class, not a breed. Mille Fleur is a coloration, not a breed. Their breed is D'Uccle, pronounced dew-clay. One has a pretty normal beak. The other is in need of trimming. Looks like he might have a mild scissor beak that is preventing his top beak from wearing normally.