The 7 Largest Animals in Ohio
We’re not just going to pick the seven largest animals in Ohio based on size alone. That would leave us with a list that’s dominated by mammals. Instead, we’re going to focus on the largest versions of different types of animals including insects, spiders, mammals, birds, and more. We’ll show you just how big they get, where they live, and their scientific name.
1. Blue Catfish
The blue catfish is the largest fish in Ohio. This fish is known for their wide mouths, unique whisker-like barbels by their mouths, and the potential to grow huge. They possess smooth skin rather than scales and have a bluish color to their bodies in many cases. You can find this fish in the rivers that run through the state, particularly the Ohio River. The biggest blue catfish ever caught in the state measured 54.5 inches long and weighed 96 pounds when it was pulled from the Ohio River in 2009. Although it’s not the case in Ohio, these fish are considered an invasive species in some parts of the U.S., like the Chesapeake Bay area.
2. Trumpeter Swan
The trumpeter swan is the largest bird that can be found in Ohio. These birds have a massive wingspan that measures up to 6 feet in length, and they can weigh about 25 pounds at their maximum. That makes them even bigger than the birds of prey that you’ll see stalking rabbits and other small mammals. These birds prefer to live by the water in the northern part of Ohio throughout the summer. Interestingly, this swan once stood on the brink of extinction in the U.S. Through conservation efforts, the population shot up from about 50 birds to over 40,000. The trumpeter swan likes to eat plants as adults, but they also eat some fish eggs, insects, and other creatures when they’re young.
3. Black Bear
The black bear is one of the largest animals in Ohio, and it’s something that even humans need to worry about meeting in the wild. From snout to tail, these bears can measure up to 6.5 feet long, and they can weigh upwards of 600 pounds. You won’t find them everywhere in Ohio, though. Most times, they’ll be seen in Ashtabula, Geauga, Lake, Trumbull, Tuscarawas, Washington, Athens, Hocking, and Vinton counties. However, the overall population of these bears is so low that you don’t have a great chance of seeing them. Black bears enjoy eating fruit, berries, honey, human garbage, and mammals like deer. However, they are dangerous to humans and should be avoided.
4. Hellbender Salamander
Despite their name, the hellbender salamander isn’t a dangerous species. They are brown, green, or black, fleshy amphibians. They can measure about 2 ½ feet in length, making them the largest aquatic salamander in the country. Hellbenders live beneath rocks and logs that provide shelter in the water. These salamanders typically come out from hiding at night and hunt fish, various invertebrates, crayfish, and frogs. They are not widespread in Ohio since they are an endangered species in the state. The salamanders are found mostly in the central, south, and eastern parts of Ohio. If you encounter one, it’s best to just leave it alone.
5. Gray Rat Snake
The gray rat snake (Pantherophis spiloides), often mistakenly identified as the black rat snake (Pantherophis obsoletus), is a common sight throughout much of Ohio. They’re abundant in wooded areas, especially those near water. Grey rat snakes can be found in burrows with snakes of other species, including rattlesnakes. Like other snakes, they prefer to feast on small mammals, and they help drive down populations of rodents that can harm crops and homes. The gray rat snake is one of the largest animals in Ohio by length alone, with many snakes measuring 6 feet in length while others top out at 8 feet or more.
6. Monarch Butterfly
The monarch butterfly is the largest insect in Ohio simply because it has a large wingspan that can reach 4 inches. This species is easily identified by its size along with its orange and black wings with white spots along the outer portion. Monarch butterflies are in every county in Ohio. They are commonly found in pastures, farms, open fields, wooded areas, and even near home gardens. These pollinators feed on nectar, so they will often be spotted on flowers, enhancing the natural beauty of the area in which they live.
7. Dark Fishing Spider
The dark fishing spider is the largest spider in Ohio since it has a bigger legspan than the Carolina wolf spider. However, it has a smaller body than that wolf spider. Nevertheless, these spiders are usually found near water where they can hunt their prey. You’ll find the dark fishing spider on trees and on the ground near lakes and rivers. Thus, they are all over Ohio. Unlike other members of their species, they can range pretty far from water in search of quarry.
Dangerous Animals in Ohio
Now that we’ve identified the largest animals in Ohio, we feel it’s necessary to mention a few of the dangerous ones you may encounter in the wild. You should keep a look out for venomous snakes like the copperhead, as well as coyotes, black bears, and the black widow spider. Always make sure you know what potentially dangerous animals live in an area that you’re going to travel to in this state and others. You can be prepared for encounters and still enjoy nature.
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