I know that usually any inbred animals are weaker and can be disformed, but recently my pair of tame "wild" pigeon siblings paired and layed eggs. What do i do?

I want to make a statement I recon the most inbred pigeons in the world can be found in New Zealand. The last time that the government allowed import of pigeons into New Zealand was in 1986. You are not even allowed to import any pigeon medicating. You make do with what little you can find...

Hey everyone, I just had questions about inbreds. I know with chickens when they are chicks they display some signs of being inbred, like some walk backwards or stick their head between their legs when they walk, stuff like that. I was wondering if pigeons display the same thing? And also, I...