What happened to the acacia bird without breeding

There are three reasons for the non -reproduction of acacia birds. The first is gender issues, the second is age, and the third is environmental problems.First of all, to talk about gender, the same -sex birds must not be able to breed, and they must be male and one female.Followed by age, this bird will not be sexually mature in one year, and it is naturally impossible to breed.As for the environment, the climate and temperature will affect it, and the proper season will begin to reproduce.