The Crotalinae, commonly known as pit vipers, [2][3] or pit adders, are a subfamily of vipers found in Asia and the Americas. Like all other vipers, they are venomous. They are distinguished by the presence of a heat-sensing pit organ located between …

蝮亚科（学名：Crotalinae）是蝰蛇科的一个亚科，统称蝮蛇，其主要特征是在眼与鼻孔之间具颊窝。 除少數為 卵生 外，絕大部分品種爲 卵胎生 。 下含18属。

蝮亚科（学名Crotalinae）是蝰蛇科的一个亚科，统称蝮蛇，其主要特征是在眼与鼻孔之间具颊窝。 其代表为蛇岛蝮，灰褐色，是一种不处于濒危状态的毒蛇。

2022年10月3日 · Crotalidae, colloquially known as pit vipers, are venomous snakes throughout the continental United States and Canada. Crotalidae envenomation represents an uncommon but clinically important illness that can result in significant morbidity and rarely mortality.

蝰蛇科 （学名： Viperidae）又名 蝮蛇科，是一个分布于全世界的毒 蛇 科。 蝰蛇 （Viperinae）和 蝮蛇 （Crotalinae）是这一科的代表物种，牠们体粗尾细，长着三角形的头。 毒液 中含有 血毒素，有些种类另含 神经毒素。 毒牙 较长，能深深刺入猎物体内高效地注入毒液。 毒牙与 上腭 之间有关节，可在口中放倒。 蝮蛇有 頰窩 （红外线 感应 器官），用以从环境温度中识别猎物的 体温。 大部分蝰蛇均屬於夜行性动物。 蝰蛇和蝮蛇都不长，但不同各类之间体长的差异很大。 納 …

2025年2月21日 · Pit viper, any species of viper (subfamily Crotalinae) that has, in addition to two movable fangs, a heat-sensitive pit organ between each eye and nostril which together help it accurately aim its strike at its warm-blooded prey. Pit vipers are found from deserts to …

This is a list of all sure genera, species and subspecies of the subfamily Crotalinae, [1] otherwise referred to as crotalines, pit vipers, or pitvipers, and including rattlesnakes Crotalus and Sistrurus.

The Crotalinae, commonly known as pit vipers, crotaline snakes (named for the Ancient Greek: κρόταλον krotalon castanet/rattle of a rattlesnake’s tail), or pit adders, are a subfamily of venomous vipers found in Eurasia and the Americas. They are distinguished by the presence of a heat-sensing pit organ located between the eye and the ...

The Crotalinae, commonly known as pit vipers, crotaline snakes (named for the Ancient Greek: κρόταλον krotalon castanet/rattle of a rattlesnake's tail), or pit adders, are a subfamily of venomous vipers found in Eurasia and the Americas.

蝮亚科（响尾蛇亚科）Crotalinae头大，三角形，略扁，颈明显，鼻眼之间有颊窝，是热能的灵敏感受器，可用来测知周围温血动物的准确位置；上颌短而略高，前端着生1对长而弯曲的管状毒牙和几对后备毒牙，张口时能竖立，闭口时倒卧于口腔背部。头背鳞片大 ...