They have relatively simple digestive tracts, as is typical of insectivores and other carnivores.

Gestation lasts from 12 to 16 days, and results in the birth of from two to 12 young, depending on species. Smaller species typically breed at least twice a year, while the larger forms tend to breed just once. The length of lactation reflects this, with young dunnarts, for example, being weaned after 60-70