Alabama is part of the subtropical coniferous forest biome.

Pine forests form the largest proportion of forests in Alabama, which once boasted huge expanses of these forests.

There are 73 amphibian species in Alabama.

Alabama has 93 reptile species.

Alabama is home to 62 indigenous mammal species.

Alabama ranks fifth in the nation for the diversity of its flora, with nearly 4,000 pteridophyte and spermatophyte plant species.

Alabama is home to roughly 307 native freshwater fish species.

Alabama hosts 420 bird species that spend at least part of their year in the state.

Invertebrates in Alabama include 97 crayfish species and 383 mollusk species.

Of the 383 mollusk species, 113 have never been collected outside of Alabama.