Rattlesnakes
Crotalus exiguus
Potentially dangerous
Rattlesnakes are venomous snakes that form the genera Crotalus and Sistrurus of the subfamily Crotalinae (the pit vipers). Rattlesnakes are predators that live in a wide array of habitats, hunting small animals such as birds and rodents. Rattlesnakes receive their name from the rattle located at the end of their tails, which makes a loud rattling noise when vibrated that deters predators.
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Un cascabel es una pequeña esfera de metal ahuecada con una pequeña abertura, dentro de la cual hay otra más de menor tamaño llamada escrupulillo. Esta esfera tiene un agujero que permite la resonancia. El sonido se produce por el choque entre las dos esferas, la exterior y la interior.
Distribution
More from the same family
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Viperidae