In the world of animals in nature, the young may not be so lucky or easy to find a fosterparent if their parents die or lose the ability to raise them.
It might be possible for a single woman to be accepted as a fosterparent.
有可能接受单身女子做养母。
《柯林斯英汉双解大词典》
3
Today's families may include both the biological mother and father or a single parent or guardian, grandparents or other extended family, same-gender parents, or foster parents.