Around 6-7 weeks. Make sure they know how to eat on their own before taking them away from their parents.
males stay with the mom for a year and females a little longer
About a year
I guess so, mainly because the cockatiels would be in the air all the time rarely ever on the ground where as chickens stay on the ground. as long as the pen has a lot of room they should be fine.
Cockatiels can chew on bamboo, as long as it has not been treated with any chemicals.
5 months
29 days
18 yeaRS
all puppies should stay with their mom for at least 8 weeks (2 months)
29 days
5 months
29 days.
Species dependant.