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.
Step 1, Know the snakes. There are four different types of venomous snakes in the United States: cottonmouths, rattlesnakes, copperheads and coral snakes.Step 2, Cottonmouths. The cottonmouths have elliptical pupils and range in color from black to green. They have a white stripe along the side of their heads. They are often found in or around water, but have also adapted to live well on land. Young snakes have a bright yellow tail. They are often loners, so if you see multiple snakes ...