Western Cottonmouth
The Western Cottonmouth is a venomous snake from the southeastern United States. It opens its white mouth to warn predators. It eats many kinds of animals, from fish to small mammals.
What is it?
The Western Cottonmouth (scientific name: Agkistrodon piscivorus leucostoma) is a venomous pit viper. It is called "cottonmouth" because the inside of its mouth is white, like cotton. When it feels threatened, it opens its mouth wide to show this white lining. This is a warning to stay away.
How old?
This snake species has been around for thousands of years, but the individual you saw was probably a few years old.
What was it like?
Cottonmouths are medium-sized snakes, usually dark brown or black. They have a thick body and a broad head. They are excellent swimmers and often live near water.
Why does it matter?
Cottonmouths help control populations of rodents, frogs, and fish. They are also an important part of the food web. Their venom is studied by scientists to understand how toxins work.
Connections
Next to find
- Find a snake that uses a different defensive display, like a rattlesnake's rattle.
- Look for other animals that live in the same wetlands as the cottonmouth.
- Learn about the difference between venomous and poisonous animals.
西棉口蛇
西棉口蛇是一种来自美国东南部的毒蛇。它会张开白色的嘴巴来警告捕食者。它吃很多种动物，从鱼到小型哺乳动物。
这是什么？
西棉口蛇（学名：Agkistrodon piscivorus leucostoma）是一种有毒的颊窝毒蛇。它被称为“棉口蛇”，因为它的嘴巴内部是白色的，像棉花一样。当它感到受到威胁时，它会张大嘴巴露出白色的内衬。这是一个警告，让其他动物远离。
多大年纪？
这种蛇已经存在了数千年，但你看到的这条可能只有几岁。
它是什么样的？
棉口蛇是中等大小的蛇，通常呈深棕色或黑色。它们身体粗壮，头部宽大。它们是优秀的游泳者，经常生活在靠近水的地方。
为什么重要？
棉口蛇有助于控制啮齿动物、青蛙和鱼类的数量。它们也是食物网的重要组成部分。科学家研究它们的毒液以了解毒素的作用方式。
联系
下次寻找
- 找一种使用不同防御展示的蛇，比如响尾蛇的尾巴响声。
- 寻找与棉口蛇生活在同一湿地的其他动物。
- 了解有毒动物和有毒动物的区别。