Shrews breed from May through October
Female short-tailed shrews give birth to at least two litters per year, each having from 4 – 10 young.
Masked shrew Females have one litter of 6-7 young during the breeding season.
The young shrews are suckled for up to 25 days before the babies are weaned.
Baby shrews mature extremely quickly and are independent at one month old.
Shrews can live two years, but most are born, live and die within one year.