However even 18 hours is not considered abnormal for a Chihuahua. This includes naps.There are 2 types of sleeping. One is a lighter sleep (called slow wave) and the other is the deeper sleep (known as REM-Rapid Eye Movement). Dogs, just like humans do have these 2 different types of sleep.
Probably the best known snake in the world, the Rattlesnake is a pit viper found almost everywhere in the United States, and is capable of a deadly bite. Its trademark rattle strikes fear into anyone who hears it.
Kentuckyâs venomous snakes are the copperhead, cottonmouth, timber rattlesnake, and pigmy rattlesnake. All four species belong to a. group of snakes called pit vipers. The name pit viper comes from the pit. or small opening located on each side of the head between the eye and. nostril (Fig. 1).