Se mi mama fuese un ornitorrinco: las crias de los mamiferos y sus madres

All mammal mothers feed, protect, and teach their young - tasks that often challenge their own needs for survival. All mammal babies need to learn how to feed and protect themselves. Depending on whether they are a bear or a bat, a shrew or a seal, a koala or a kid, the journey to maturity varies dramatically. This fascinating introduction to the world of mammals, for elementary and middle school children, shows how fourteen mammal babies travel the path from helpless infants into self-sufficient adults.