Hello and welcome to the forums!
Strawberry is a gorgeous little girl and Blueberry appears to be a boy. Since his cere is in shadow, could you post another photo of him please?
Since you most likely have a mixed-gender pair, please be sure you're doing everything you can to discourage accidental breeding:
When We Don't Want Eggs! When We Don't Want Eggs Sometimes we have over enthusiastic hens that want to have chicks even when the timing is not right or they are not in the best condition or age to raise a clutch of chicks. While the male is very important in the role of raising chicks, most...
www.talkbudgies.com
Additionally, how big is their cage? You should remove the mirror as well, since budgies either think it is another bird and causes problems like obsession, aggression, territorial behavior, or other mental attachment issues, or it doesn't bother them and in that case doesn't have any use to be in the cage. Take a look at this thread, too!
Essentials to a Great Cage
There are a lot of resources on the forums and you've come to the best place to learn even more about the best of budgie care practices! Please be sure to look through the forums to be sure you are updated on everything.
If you have any questions after doing so, please be sure to ask as we'd love to help!
Hope to see you around