Cockatiel`s eggs normally hatch after about 19 days.
Yes, if the eggs are healthy. I would recommend taking them to your vet.
Around 18-21 days
that they are still alive and they still need heat and that they will still hatch eventually.
No,only monotremes hatch eggs.
It takes about 18-21 days for cockatiel eggs to hatch.
Bad eggs don't hatch into missingno
All eggs that are laid hatch outside the body
Sometimes all the eggs hatch, sometimes just a few do and some are duds, and sometimes all of them are duds
All birds hatch from eggs
all dinosaurs
Yes - all birds lay eggs, so any young hatch from an egg.