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Speckled rattlesnake的卡通图
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Speckled rattlesnake

Crotalus mitchellii
名字的由来： The scientific name honours Silas Weir Mitchell, an American doctor who also studied rattlesnake venoms.1
需要看医生很少致命，但被咬了要去看医生。
响尾蛇 咬伤
对人的危险: 严重被咬了要去看医生。死亡非常罕见。

The speckled rattlesnake is a venomous pit viper that lives in the rocky deserts and shrubland of the south-western United States and north-western Mexico. Its back is patterned so that it looks like a piece of granite, which helps it hide among rocks. Keep a safe distance from any rattlesnake you see in the wild.1

生活在
South-western United States and north-western Mexico, including many islands in the Gulf of California1
北美洲
首页
It prefers rocky desert and shrubland. It is mainly found on the ground, but will sometimes climb into low vegetation.1
长度
1.4 m (4.5 ft)1
最高速度
约 3.6 公里/小时（2.2 英里/小时）
在陆地上, 粗略估计
真的！Speckled rattlesnake的照片
Speckled rattlesnake。照片：Ken-ichi Ueda。 CC BY 4.0, iNaturalist.

怎样认出它

  • About thirty markings run along the back, often in the form of crossbars.1
  • Some markings are clearly defined geometric shapes, such as diamonds, hexagons or hourglasses.1
  • The markings are always darker than the ground colour, but the exact colour varies from snake to snake.1
  • Colouring usually matches the rocks where the snake lives.1
  • Adults generally do not exceed 100 cm in total length, including the tail.1

毒液之力

咬伤

它咬的时候，毒液通过毒牙或牙齿出来。

它对人有多危险？

对人的危险: 严重被咬了要去看医生。死亡非常罕见。

它害怕时会做什么？

Its patterned colouring blends with rock, so it is hard to see. It has a rattle at the end of its tail.1

如果它咬人

  • 让人保持安静不动，被咬的肢体与心脏保持同一高度，摘下戒指和紧身物品，尽快送医院。

一定先拨打你的急救电话（112、000、911）。这里是一般急救指导，不是医疗建议。 急救基础

注意安全

  • 永远不要摸、抓或逗弄野生动物，即使是很小的，即使它看起来在睡觉或已经死了。
  • 给它留出空间。如果遇到它，保持冷静，慢慢后退，让它走自己的路。
  • 如果被它咬了：保持冷静，保持不动，拨打你的急救电话（112、000、911）或尽快去医院。记住它长什么样，拍张照片会有帮助。

它不是冲着你来的。它用毒液捕猎或保护自己，而且它更愿意躲起来。 更多安全知识

在世界哪里？

非洲亚洲欧洲北美洲南美洲澳大利亚和大洋洲

它有多大？

它有多长？

Speckled rattlesnake 约 1.4 m 长 (4.5 ft)一只狗 约 1 m (3.3 ft)一个大人 约 1.7 m (5.6 ft)
和 2.5 只家猫鼻子接尾巴一样长和 8 根香蕉首尾相接一样长100 秒就能跑完 100 米（最快的人需要 9.6 秒）

Speckled rattlesnake和你比起来有多大？

只是在你的浏览器里算一算。什么都不会被保存或发送到任何地方。

它有多快？

值得了解

事实

1

Snakes on Isla Ángel de la Guarda can grow larger than mainland snakes, with one recorded specimen reaching 136.7 cm.1

2

Snakes on El Muerto Island are much smaller, reaching a maximum of 63.7 cm.1

3

Scientists have debated its classification. Some researchers have proposed that its island populations should be treated as separate species.1

谣言粉碎机

谣言： It is sometimes called the tiger rattlesnake.

真相： The name tiger rattlesnake is wrong. It is a speckled rattlesnake, named for its markings.1

给毒液专家

学名
Crotalus mitchellii
类别
响尾蛇
家人
Viperidae2
排序
Squamata
大洲
北美洲
宝宝
It is ovoviviparous, meaning the young develop inside eggs within the mother's body and are born live.1
它在野外过得怎么样
Least Concern (IUCN Red List, for the nominate subspecies)1
对人的危险
3 / 5: 严重3

事实的来源

  1. Crotalus mitchellii (Wikipedia (CC BY-SA 4.0))
  2. Crotalus mitchellii (iNaturalist): 名称和分类。
  3. Venom Wiki: 危险等级、典型大小和速度估计都是我们自己给出的。看看我们是怎么算的： 我们如何评定危险.

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同一类别的更多动物: 响尾蛇

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也生活在: 北美洲

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