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.
The Copperhead is the most common venomous snake found in the eastern US. It is also known by the name Highland Moccasin.. As a species, it belongs to the genus Agkistrodon which also includes the Cottonmouth, also known as the Water Moccasin. Copperheads are usually colorful and strikingly patterned snakes.dults are usually in the range of 24 to 36 inches in length, although specimens of greater than 42 inches are not rare. They give live birth to young. Copperheads eat small rodents, birds, lizards, snakes, amphibians, and insects. Copperheads are venomous, pit vipers.