What mammal mother has babies nearly 1/3 her own size?
The mammal mother that has babies nearly one-third her own size is the kangaroo. Kangaroos are marsupials, which means they have a unique reproductive system. When a kangaroo joey is born, it is just a few centimeters long and weighs less than a gram. The joey then climbs into its mother's pouch, where it continues to grow and develop.
To find this information, you can perform a search using search engines like Google or Bing. Simply type in the question "What mammal mother has babies nearly 1/3 her own size?" and you should be able to find reliable sources that provide information about kangaroos and their reproductive habits. It's always a good idea to cross-reference multiple sources to ensure accuracy.