There are approximately 900 different species of bats with various life spans, but it is not unusual for a bat to live 20 years or more. Some species may live only a few years though, and others have been known to live more than 30 years.
males stay with the mom for a year and females a little longer
5 months
6 months
29 days
29 days.
4 years
Until the mom has another litter, or until the baby gerbil can eat solid food.
For nine month
For about 3 weeks.
Baby bears may stay with the mother for two years or more.
7 yearsaboand a halfut 1 year
6-9 months ever heard of wikipedia