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.
Pit vipers belong to a venomous group which includes copperheads and rattlesnakes. They can live in various habitats ranging from tropical rain forests to deserts to plain mountain slopes over 4,000 meters (13,000 ft.) high. Each year, thousands of snakes assemble at the Narcisse Snake Dens in Manitoba, Canada, as recorded on June 25 th 2014. In the case of Golydius rickmersi, Wagner reckons that the snakeâs fairly small size, approximately 20 inches, allows the cold-blooded creature to absorb heat fast.