No. Periods are seen only in placental mammals. Birds do not have them.
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.
Budgies are parakeets. They eat seed
Yes, they're called gay budgies, ey.
Yes, lots of people have pet budgies.
The collective noun is a chatter of budgies.
Yes, budgies can certainly imitate whistling sounds.
snakes eat budgies so you better watch out
when can baby budgies eat on their own
budgies can be different clolours like blue white and yellow
Budgies are as smart as a 3 or 5 year old person.
There are lots of budgies in the world, but nobody knows how many there are for sure