What’s normal for baby rabbits?
Cottontail rabbits are a very common species in Ontario. Female rabbits have several litters of babies throughout the spring and summer, often in close proximity to other nesting females.
Make sure the baby rabbit is an orphan
Unless a dead adult rabbit is found right on top of or beside the nest of babies, do not assume that it was the mother of the babies you have found. Do this simple string test first.