On the topic of Budgies, stick with one or before you know it you have a very noisy extra added to the family.
Tips for avoiding avian procreation.
1) Get matching genders when you purchase them – if you look at the piece of skin that stretches over the back of the beak (closest to the face) it is called the cire and the more blue it is signifies how male the bird is. Gender orientation does not count. Gay rights for birds was established in 2003.
2) Do not provide a box or platform as a place for egg laying. No nest No egg.
3) If you find an egg in the cage, throw it away – No harm – No fowl
If you are intending to breed them – CONGRATS…….