Baby's start sitting on their own and getting into a sitting position between 6.5 months and 10 months.
When they can sit up on their own.
Up to 100,000,000 and then they die and the babies raise themselves
Some babies sit up by 6 months. Apparently, however, not sitting up by 9 months isn't a big deal either. See the Related Link to a video regarding a baby's milestones - sitting included.
they keep their babies for 2 years until they are grown up enough to hunt and fend for themselves
If the battery and fuel are ok, it should start right up.
between 6-8 mmonths
they grow up by themselves u just gotta wait
starting 8 months.
Babies cry because it is there way of expressing themselves because they can't talk. They can't come up to you and say hey i'm hungery.
Babies typically start to form sentences with two to three words around 18 to 24 months of age. However, the age at which a baby begins to talk sentences can vary greatly from child to child.
by sitting in her nest and wrapping them up in her wings like a blanket, then turning on the electric heater she keeps in her branch.
I don't know about "best", but there are powered chairs that essentially lift themselves up and ease the person sitting in them to a standing position.