Which venomous snake in Arkansas is also known as a "cottonmouth" because of the white inside its mouth?

The correct answer is the Water Moccasin, which is commonly known as the cottonmouth due to its distinctive white inner mouth. This characteristic is particularly notable when the snake feels threatened and opens its mouth wide, revealing the stark white coloration. The name "cottonmouth" is derived from this specific feature, emphasizing the snake's ability to display a warning coloration to potential predators or threats.

In addition to its name, the Water Moccasin is a pit viper and is commonly found in swamps, marshes, and other water-rich environments across Arkansas. They are often associated with water bodies, where they hunt for fish and amphibians, and their aggressive nature can make encounters with humans particularly alarming. Understanding the habits and features of the Water Moccasin is crucial for anyone engaging with Arkansas's natural habitats, as recognizing this venomous species can be a key factor in ensuring safety.