Litterally as soon as they get their teeth grown.
it wants to
By biting.
it means hamsters hate you
Not all hamsters are nice, at first he or she might bite you or nibble at your finger but if you get to know your hamster and your hamster gets to know you he or she will stop biting and will start to build trust in you. There are no other hamsters I know that are nice.
Baby hamsters will start to eat solid food at around 8 days old until they are gradually weaned at 21 days
You can start holding the babies when their eyes are open and they have all of their fur.
Baby hamsters are called "pups".
Start separating them at three weeks old.
yes you can touch the baby hamsters just dont let the mom hamster see you touching them distract the mother by giving it a meaty treat if the mother cacthes you touching her babys then you will not be able to put back baby hamster it will get eaten if you see the mother hamster biting the baby its not biting its just trying to move the baby hamster it cant move the baby by pushing it
No they won`t.
No effective defensive mechanisms except biting. Even biting is not as effective for they have small mouths
If they are hungry and are annoyed by their siblings