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Species of Montana

Amphibians

Amphibians are ectothermic vertebrate animals that live on both land and in water, lack scales, and produce external gelatinous eggs requiring moist conditions. Montana is home to breeding populations of almost 15 amphibian species. [Learn more ]

Birds

Birds are endothermic vertebrate animals that possess feathers and produce external eggs. Montana is home to breeding populations of over 250 bird species. In addition, over 170 bird species visit our state during their spring and fall migration journeys. [Learn more ]

Fish

Fish are aquatic, ectothermic animals with backbones and have fins and gills throughout life. Montana is home to breeding populations of over 85 fish species. [Learn more ]

Invertebrates

Invertebrates are animal species without backbones. Montana is home to breeding populations of around 10,000 invertebrates, including over 180 mollusk species and around 30 crustaceans. [Learn more ]

Mammals

Mammals are endothermic vertebrate animals that possess hair and mammary glands for the production of milk for feeding offspring. Montana is home to breeding populations of over 110 mammal species. [Learn more ]

Reptiles

Reptiles are ectothermic vertebrate animals that possess scales and produce external amniotic eggs with membrane and yolk sac. 17 native reptile species have been confirmed as being present in Montana. [Learn more ]