Arizona, US

State

50,935 species observed across 8 groups · Pop. 7.2M

Ecoregions

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Species observed

Birds· 1,164 species

Mammals· 481 species

Plants· 16,452 species

Reptiles & Amphibians· 631 species

Fish· 996 species

Insects· 21,838 species

Other Invertebrates· 4,176 species

Fungi & Lichens· 5,197 species

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Counties in Arizona

Apache County, AZPop. 65.9KCochise County, AZPop. 125.5KCoconino County, AZPop. 145.2KGila County, AZPop. 53.4KGraham County, AZPop. 38.6KGreenlee County, AZPop. 9.5KLa Paz County, AZPop. 16.6KMaricopa County, AZPop. 4.4MMohave County, AZPop. 214.2KNavajo County, AZPop. 106.8KPima County, AZPop. 1.0MPinal County, AZPop. 430.2KSanta Cruz County, AZPop. 47.7KYavapai County, AZPop. 237.2KYuma County, AZPop. 205.7K