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.
Garter snakes are among the most common snakes in North America, with a range spanning from Canada to Florida. Often kept as pets, they are relatively harmless, although some species do possess a mild neurotoxic venom. However, it is not dangerous to humans.hamnophis sirtalis (common garter snake): The common garter snake has the largest range, occurring in most of the continental United States with several subspecies, according to Beane. They are found everywhere from Alaska to Florida, though they do not live in the Southwest.