* Opossums are marsupials that are native to the Americas. They are nocturnal animals that sleep during the day in burrows, hollow logs, or underbrush.
* Porcupines are rodents that are found in North America and South America. They are nocturnal animals that sleep during the day in burrows, rock crevices, or trees.
* Skunks are mammals that are found in North America and South America. They are nocturnal animals that sleep during the day in burrows, hollow logs, or underbrush.
* Raccoons are mammals that are found in North America, Central America, and South America. They are nocturnal animals that sleep during the day in trees, hollow logs, or burrows.
* Armadillos are mammals that are found in the Americas. They are nocturnal animals that sleep during the day in burrows.
* Aardvarks are mammals that are found in Africa. They are nocturnal animals that sleep during the day in burrows.
* Pangolins are mammals that are found in Africa and Asia. They are nocturnal animals that sleep during the day in burrows or hollow trees.
* Echidnas are mammals that are found in Australia and New Guinea. They are nocturnal animals that sleep during the day in burrows.
* Platypuses are mammals that are found in eastern Australia. They are nocturnal animals that sleep during the day in burrows on the banks of rivers and streams.