The white is a female, and the yellow is male.
Beautiful birds! You’ve come to the right place to learn all about budgies and their care. Please read over the Stickies posts and Articles, as these contain valuable information, and answer many common questions.
Since you have a male and female, you’ll want to take steps to avoid getting them into breeding mode. Be sure not to put any nests in the cage, or even toys or beds that can serve as a nest. That is all my pair needs to keep them “platonic”, but many budgies also need reinforcement such as rearranging the perches and toy positions on a regular basis, and giving no more than 8-10 hours of daylight.
Keep in mind too, that mirrored toys aren’t the best for mental health of your budgies, and we encourage members to use other types of toys instead. Commonly, Budgies will become more aggressive or sexually frustrated, and obsessively regurgitate to the reflection in the mirror. Budgies love small shreddable toys, soft wood like balsa or yucca, bells, and swings.
Looking forward to hearing more about your new little ones!