I am currently living with six zebra finches. (two adults, four of their almost one-month-old babies.) They came to my house about two months ago (the two adults.) Since the room where I live is all locked out except for when I have to go out, I let the birds out frequently for them to fly freely around my room. I clean up their poops and feathers every day, and has been okay for a month now. Seeing the birds fly and play around the room freely makes me happy.
However, recently the birds seemed to be unhappy when they are being locked up in their cage. I purchased a brand new cage ( 40cm times by 70cm times by 40 cm ) for them, and it is way bigger than the one they used to live. As I let the birds out more frequently, ( almost every day when I come home ) they seem to be accustomed by the fact that they are out of their cage, and so when I lock their cage door, they fly around and calls me for help. The kids are fine, but the two adults are the ones who love being out of their cage.
In this case, what would you recommend me to do? Should I let them out just like how it is, or should I lock them in their birdcage and reduce the amount of time they come out from now on?
Besides that, I am also curious about what their constant beeping means. The birds are chirping ( or should I say "talking"


By the way, the birds are all not hand-tamed, which means they are not used to my hands. Even though they recognize my face and are not scared of my presence, they are still afraid of my hands. So yeah,

Thanks so much for reading this. I am new to zebra finches so I would like to have some help. I really enjoy having them as my family, as they always brighten my day. I used to have budgies and society finches, but not zebras, and I think I'm in love!