Missouri Department of Conservation

Mammals

Mammals

Raccoon

In numbers of species, mammals (in the phylum Chordata) are the second smallest group of vertebrate animals in Missouri. One mammal, however, takes up more space in Missouri than any other: humans. All mammals are endothermic ("warm-blooded") and most species have hair. Mammals have mammary glands, which, in females, produce milk to feed young. Nearly 70 species of wild mammals live in Missouri. Another six species, including gray and red wolves, bison, white-tailed jackrabbit, Ozark big-eared bat and elk, no longer occur naturally in Missouri. The smallest are the masked shrew and least shrew at 2.75 inches long; they each weigh the same as a penny. The largest wild mammal in Missouri is the mature bull elk, which weighs 700 pounds on average.

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mdc.mo.gov/node/6730