The 50 Most Dangerous Animals in Each US-State Revealed

The US is home to many dangerous animals. So lets look at the list of most dangerous animal in every U.S. state so that you can protect yourself from these. Factors that we include are: human fatalities, attacks, and potential for disease transmission.

The definition of “dangerous” can vary, but typically it includes animals that produce a significant risk to human health or life.

Also many incidents occur due to human encroachment into animal habitats or irresponsible behavior near wildlife.

Alabama – Alligators

Alaska – Bears (Grizzly and Polar Bears)

Arizona – Rattlesnakes

Arkansas – Alligators

California – Mountain Lions

Mountain Lion on Rock. Image created by Chris Weber with Midjounrey.

Colorado – Black Bears

Connecticut – Deer (due to vehicle collisions)

Key Deer. By Photography by User: MrX, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=23670389

Delaware – Deer (due to vehicle collisions)

baby deer — Baby deer. Image by Julie Marsh via Unsplash

Florida – Alligators and Sharks

Georgia – Alligators

american alligator — Donald W DeLoach Jr, CC BY-SA 3.0 Image via Wikimedia

Hawaii – Box Jellyfish

CC BY 3.0, https://commons.wikimedia.org/w/index.php?curid=118181163

Idaho – Mountain Lions

mountain lion inside apartment complex — The Mountain Lion. Image by Zach Key via Unsplash

Illinois – Deer (due to vehicle collisions)

portrait of deer — Image by RyanE via Unsplash

Indiana – Deer (due to vehicle collisions)

Iowa – Deer (due to vehicle collisions)

Strong roe deer, capreolus capreolus, buck with dark antlers on a meadow with wildflowers early in the morning. Alerted wild animal looking to camera with green blurred background and copy space via Depositphotos.

Kansas – Timber Rattlesnake

Timber rattlesnake, Crotalus h. Horridus, lives predominantly in forests

Kentucky – Venomous Snakes

The Northern Copperhead Bite — Northern Copperhead, Agkistrodon contortrix is a venomous pit viper found in Eastern North America

Louisiana – Alligators

Tourist Captures Shark Biting Alligator's Foot in South Carolina — Credit: YouTube / Storyful Viral: Tourist Captures Shark Biting Alligator’s Foot in South Carolina

Maine – Moose

Moose in Velvet in Northern Newfoundland via Depositphotos

Maryland – Deer (due to vehicle collisions)

Massachusetts – White-tailed Deer (due to vehicle collisions)

Michigan – Deer (due to vehicle collisions)

Minnesota – Black Bears

Black bear on Appalachian Trail — Although rare, it is possible to encounter black bears on the Appalachian Trail, so be careful!

Mississippi – Alligators

Missouri – Venomous Snakes

Montana – Bears (Grizzly Bears)

Nebraska – Venomous Snakes

timber rattlesnake in illinois — Timber rattler. Image via Depositphotos

Nevada – Mountain Lions

New Hampshire – Black Bears

Black bears in Alligator river National Wildlife Refuge. Image by Judy Gallagher, CC BY 2.0 , via Wikimedia Commons.

New Jersey – White-tailed Deer (due to vehicle collisions)

A beautiful white tailed deer doe standing alert in the woods.

New Mexico – Black Bears and Cougars

New York – White-tailed Deer (due to vehicle collisions)

North Carolina – Venomous Snakes

timber rattlesnake — Timber rattlesnake – Crotalus horridus atricaudatus, poisonous, white background

North Dakota – Bison

Ohio – White-tailed Deer (due to vehicle collisions)

White-Tailed Deer cutest animal — White Tailed Deer Von USDA photo by Scott Bauer – Image Number: K5437-3.http://www.ars.usda.gov/is/graphics/photos/may01/k5437-3.htm, Gemeinfrei, https://commons.wikimedia.org/w/index.php?curid=245466

Oklahoma – Venomous Snakes

Oregon – Cougar (Mountain Lions)

Portrait of a cougar. Image via depositphots.

Pennsylvania – White-tailed Deer (due to vehicle collisions)

Rhode Island – Deer (due to vehicle collisions)

Baby Mule Deer — Baby Deer. Image by Schlag via Depositphotos

South Carolina – Alligators

South Dakota – Bison

Tennessee – Venomous Snakes

cottonmouth bite — A closeup of a juvinal cottonmouth poses for pictures on a large rock, and keeps a wary eye on his surroundings. Depositphotos

Texas – Snakes (Rattlesnakes and Water Moccasins)

Eastern diamond back rattlesnake is the most venomous snake in the US. Antivenom is produced for this snake. Via Depositphotos

Utah – Mountain Lions

Vermont – Black Bears

Virginia – Venomous Snakes

Washington – Cougars (Mountain Lions)

The Cougars' Hidden Lineages — Image representing The Cougars’ Hidden Lineages. Generating using DALLE-E by Linnea for AATG.

West Virginia – Black Bears

Black bear in Yosemite by Chris Weber with MidJourney

Wisconsin – Black Bears

Black Bear Dominates — Black Bear via Pexels.

Wyoming – Bears (Grizzly and Black Bears)

Black bear by Chris Weber with MidJourney

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Jan Otte

Co-Founder at Animals Around The Globe

Hi there, I'm Jan, the Co-Founder of Animals Around The Globe and one of the two guys who run this site.

As a little kid, I fell in love with nature, wildlife, and animals. Living in the USA, South Africa, Italy, China and Germany gave me the opportunity to discover the world's Wildlife. My favorite animals are Mountain Gorillas, Siberian Tigers, and Great White Sharks.

I'm a certified PADI Open Water Diver, went to Everest Base Camp and Trekked Gorillas in Uganda. I hold a Master of Science in Economics and Finance.

Please send any feedback to feedback@animalsaroundtheglobe.com