Mating and living in the same cage does not require both budgies to be the same age.
about to 10 to 20 years of age.
Budgies usually live to be 10 to 20. The world's oldest budgie lived to a ripe old age of 29!
Look at the rings on your budgies head. The closer they are to the cere, the younger it is, the farther up the rings go ( or the more they disappear / more plainness the is on its forehead ) on its head the older it is.
This question is a matter of opinion. Some people like English budgies better than regular budgies or other people like regular budgies better than English budgies.
Yes, budgies are parakeets.
I'm not sure how you tell the exact age but the more stripes it has on its head mean the younger it is
Budgies are parakeets. They eat seed
Yes, they're called gay budgies, ey.
when can baby budgies eat on their own
Yes, budgies can certainly imitate whistling sounds.
snakes eat budgies so you better watch out