Identifying Mammals: A Photo Gallery

This collection of mammals photos are added as an aid to identifying mammals you see in your backyard, garden, or neighborhood. 

The word mammal comes from the mammary glands which the female of a species makes milk to feed her offspring during their infancy.  There are other characteristics that define mammals. Here are the characteristics. 

  1. The female mammals nurse their young with milk made in their mammary glands.
  2. Mammals have hair or fur.
  3. Mammals are warm-blooded. 
  4. Mammals give birth to live young. 

The photos are roughly organized by average size. The smallest mammals are presented first. The larger animals are toward the end of the photo gallery.

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