Not at all. No Australian native birds hibernate.
If your budgie is sitting with its head buried in its feathers all day, it is either too cold for the bird, or your budgie is sick.
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, budgies can certainly imitate whistling sounds.
snakes eat budgies so you better watch out
when can baby budgies eat on their own
The collective noun is a chatter of budgies.
Yes, lots of people have pet budgies.
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