Concept
Version 8
Created by Boundless
Living Mammals
A red fox
Red foxes are eutherian (placental) mammals because the mothers nourish their young via a placenta during fetal development. The placenta enables a mother to exchange gases, fluids, and nutrients with the growing embryos.
Source
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"Vulpes vulpes sitting on a stone."
http://upload.wikimedia.org/wikipedia/commons/2/28/Vulpes_vulpes_pup_sitting_on_stone.jpg
Wikimedia Commons
Public domain.