no Birds should be covered at night. During the day they should be uncovered.
Parakeets don't really make nests like finches for example. In wild they nest in holes in trees, and in captivity they need nesting boxed. wild budgies use hollow trees for there nest. Domesticated budgies you have to buy a nest box or they will not mate also if u want to know how to make a nest box goggle it for peace sakes
About 3-4 .
Food. Water. Shelter.
they need to learn to live by themselves
Budgies need many things to be healthy including a proper diet (not only seeds!) exercise, a love you can find all this info at (Budgie mania.com)
sure they still need there parents to care for them
You can refer to this video on YouTube it has everything you need to know!!
100 budgies aren't going to need a cage, they're going to need an aviary.
Yes, more so than in warm weather.
You need to specify what you need to be covered for.
Partly yes, partly no. Because music does include reading but the lyrics don't need correct grammar.
no because i have got some at home and i have had them for years