No, you need a bigger gene pool. ( they would be deformed )
Yes - the commonest 'culprit' is the Cuckoo - it lays its eggs in the nests of other birds - leaving the hapless 'parents' to raise their young !
Is it normal for two mallards to share a nest.
Birds mate after and before making a nest
to reproduce...
Yes, all birds mate and have nests at one point or another. The process is different with all birds.
It isn't one way for all birds, many will build a nest to attract a mate, then perform courtship rituals then lay their eggs, others will pair up and mate, then build their nest together.
they mate first then make the nests
Yes, you can mate the same breed of birds. Some popular breeds of birds that are good to breed include canaries, love birds, and parrots.
An Aviary Where They Mate And Reproduce.
yes, they build very large ones in fact too. their nests are far larger than a regular birds nest. but same as a large birds nest like a osprey or eagle
Most birds do not use the same nest year after year. So I would say no.
Weaver birds usually make their nest when they're looking for a mate. So in their juvenile years.
yes as long as their is a male and a female bird in the same cage i can guarantee u u will see eggs in a nest a couple OK weeks later dont worry
you can't make birds mate they have to be stimulated and some couples don't get along.