1. Fennec Fox
   Bat-Eared Fox
2. Kit Fox
   Red Fox

Bat-eared foxes have exceptionally large ears that emit heat, which helps to keep their bodies cool. These foxes use both their ears and their tails to communicate with each other.

1. Bandicoot
   Bilby
2. Kangaroo
   Quoll

The herbivorous kangaroo occasionally eats insects. This animal has a plethora of incisors that help to break down plants, like moss, flowers and ferns.

1. Walking Stick
   Scorpion
2. Cricket
   Darkling Beetle

The walking stick is a nocturnal insect that easily disguises its thin frame among plants. It can also position its body to mimic other insects, such as ants, when faced with danger.

1. Aardvark
   Aye-Aye
2. Flying Squirrel
   Gerbil

The aye-aye is native to Madagascar and has a specialized omnivorous diet. The ramy nut is a hard, three-chambered nut typically found in Madagascar.

1. Bobcat
   House Cat
2. Fossa
   Lynx

The monkey-like or cat-like fossa is closely related to the mongoose. Its tail can measure up to 28 inches.

1. Lemon Shark
   Megamouth
2. Ragged Tooth Shark
   Pacific Angelshark

The Pacific angelshark is a bottom-dwelling nocturnal creature. This shark patiently waits for, then ambushes its prey.

1. Alligator
   Crocodile
2. Deaf Adder
   Spectacled Caiman

The spectacled caiman forages mostly at night. It is very well adapted to saltwater and freshwater habitats, making it the most abundant breed of caiman in existence.

1. Serval
   Siberian Tiger
2. Snow Leopard
   Ocelot

Unlike most other cats, ocelots are great swimmers. Many can be found in South America, and some ocelots have been spotted as far north as Texas.

1. Toad
   Tuatara
2. Caiman
   Gila Monster

Gila monsters, caiman and tuatara eat frogs. Toads are also frogs that roam the night and seek shelter in trees or burrows during the day.

1. Coelacanth
   Negaprion
2. Green Moray Eel
   Sea Cucumber

The green moray eel can grow close to 10 feet. Yellow-green mucus covers its brown skin to protect it from parasites and bacteria.

1. Vinegaroon
   Phasmatidae
2. Cricket
   Luna Moth

The vinegaroon uses its first pair of legs as antennae to "see" as it moves about. The insect relies on vibrations to locate its prey.

1. Kiwi
   Jerboa
2. Kinkajou
   Nutria

Kiwi birds are native to New Zealand. These are unusual birds that have nostrils positioned at the end of their long beaks.

1. Amur Tiger
   Bobcat
2. Jaguar
   Lion

While jaguars are often described as nocturnal, their peak activity typically occurs during dawn and dusk, and they are, therefore, better known to be crepuscular. Jaguars rarely attack when they encounter humans.

1. Lobster
   Horseshoe Crab
2. Cuttlefish
   Coelacanth

Coelacanths were once considered extinct creatures from 65 million years ago. However, the first living coelacanth was observed in 1938.

1. Mouse
   Muskrat
2. Sand Puppy
   Rat

In 2008, researchers in South Korea filed a patent for a method to extract the bacteria-killing chemical from dried muskrat feces. The chemical is also alleged to kill insects, such as termites.

1. Fruit Bat
   Great-Horned Owl
2. Eastern whip-poor-will
   White-Faced Petrel

Perhaps a more apt name for the fruit bat is "fruit juice bat." This nocturnal animal ingests the juice and nectar from fruits, then spits out the seeds and pulp.

1. Margay
   Hyena
2. Sportive Lemur
   Western Woolly Lemur

The margay is also called a tree ocelot. This animal inhabits Southern Mexico all the way down through Brazil and Paraguay.

1. Porcupine
   Possum
2. Octodon degu
   Iranian Jerboa

The porcupine has few predators due to its protective quills. The quills are easily detachable when the animal is frightened.

1. Slender Loris
   Slow Loris
2. Galago
   Tarsier

The tarsier is rare among the primate species since it does not eat any plants at all. Common prey the tarsier consumes include insects, cockroaches, butterflies and cicadas.

1. Capybara
   Chinchilla
2. Rabbit Rat
   Tapeti

Wild chinchillas are crepuscular and nocturnal; they are most active during the dawn, dusk and throughout the nighttime. However, domesticated chinchillas often adapt to diurnal life.

1. Badger
   Nutria
2. Gerbil
   Quoll

The Protection of Badgers Act of 1992 prohibits the sale or possession of badgers in the United Kingdom. This includes anyone who aids in the sale or possession of badgers, as well.

1. Red Kangaroo
   Pseudocheiridae
2. Sugar Glider
   Tasmanian Devil

The Tasmanian devil is native to the island of Tasmania, which is an island state of Australia. Early research trials suggest that some human anti-cancer drugs prove effective in treating cancers that affect the Tasmanian devil.

1. Weddell Seal
   Northern Fur Seal
2. Japanese River Otter
   Sea Cucumber

Weddell seals can dive 2000 feet below the Antarctic Ocean surface in freezing waters. They can stay down there for up to 45 minutes.

1. Rattlesnake
   Anaconda
2. Boa Constrictor
   Long Cripple

Most rattlesnakes hide during the day and hunt for their prey at night. Their venom contains hemotoxins that damage the blood and many bodily tissues.

1. Three-Toed Sloth
   Hoffman's Two-Toed Sloth
2. Eastern Woolly Lemur
   Slow Loris

"Flash Slothmore" is a male three-toed sloth featured in Disney's "Zootopia" film. In the film, he and his co-species female co-worker, "Priscilla Tripletoe," work at the DMV, which is the Department of Mammal Vehicles.

1. Paradoxical Frog
   Red-Eyed Tree Frog
2. Toad
   Spectacled Caiman

Paradoxical frog tadpoles are approximately 9.8 inches long, and the mature adults shrink down to 3 inches. Paradoxical frogs are found throughout South America.

1. Wombat
   Zorilla
2. Civet
   Hyena

Kopi Luwak is an expensive coffee brewed from the poop of the civet. The civet is a cat-like nocturnal creature from Southern Asia and Africa.

1. Bush Rat
   Cyprus Spiny Mouse
2. Leopard Gecko
   Black-Footed Ferret

Black-footed ferrets roam the prairie lands of North America. They are scattered between southern Canada and North Mexico, throughout Arizona, Montana, South Dakota and Wyoming.

1. Cuttlefish
   Great Gray Garden Slug
2. Hermit Crab
   Onychophora

The nocturnal cuttlefish can change its color in an instant to match its surroundings in order to evade predators. The cuttlefish uses a permeable internal structure called a "cuttlebone" to float and rise as it glides through water.

1. Oncilla
   Short-Eared Zorro
2. Dingo
   Fennec Fox

Compared to other felines, the oncilla is rather small, with an average weight of approximately 5.5 pounds. Spotting an oncilla is a rarity. Most of what is known about the oncilla is observed from captive breeds.

1. Firefly
   Cockroach
2. Millipede
   Saurornithoides

The firefly, or lightning bug, is neither a fly or a true bug but is actually a beetle. This creature produces two rare chemicals, luciferin and luciferase, that are crucial in scientific research on heart disease, multiple sclerosis and cancer,

1. Hamster
   Octodon
2. Rabbit Rat
   Capybara

Capybaras are semi-aquatic rodents that live throughout north and east South America. These large creatures can weigh as much as a sheep or a small human.

1. Margay
   Serval
2. Ounce
   Caracal

The margay cat is most active at dusk, dawn and throughout the night. Of all of the felines, it is the only cat that can rotate its hind legs 180 degrees, which enables it to run speedily down and across trees chasing after prey with remarkable dexterity.

1. Tarsier
   Owl Monkey
2. Bushbaby
   Slender Loris

The owl monkey is the only nocturnal primate in South America. The owl monkey's eyes are well evolved for night vision, but they have poorer color vision than other primates.

1. Shrew
   Skunk
2. Thylacine
   Pangolin

The pangolin is also called a scaly anteater. Like other anteaters, pangolins have no teeth. Regular anteaters eat ants, insects, fruit and other soft grubs, while pangolins eat only insects.

1. Okapi
   Mink
2. Spectacled Bear
   Whitetail

The okapi may look similar to a deer but it is the giraffe's only living relative. These illusive creatures of Central Africa are mostly nocturnal, but they do exhibit some diurnal behaviors.

1. Wombat
   Rat
2. Beaver
   Muskrat

Beavers are the largest rodent in North America, and they are fast and masterful builders in their complex woodsy environments. Perhaps colleges choose the beaver to represent their schools to inspire the spirit of resilience in their students and athletes.

1. Megamouth
   Nurse Shark
2. Catfish
   Coelacanth

The Indonesian government has made tremendous efforts to conserve the world's last population of coelacanths. This rare fish is a symbol of national pride and is practically a celebrity in Indonesia, considering all the publicity it gets.

1. Binturong
   Lynx
2. Ocelot
   Caracal

According to researchers, the buttered-popcorn smell that emits from the solitary binturong, or bearcat, comes from a chemical the animal secretes in its urine. The binturong douses turf with its odd-smelling pee to ward off competitors.

1. Hippopotamus
   White Rhinoceros
2. Black Rhinoceros
   Dwarf Crocodile

The two-horned white rhino is the largest land creature after the elephant. The nocturnal white rhino can weigh as much as 4 tons!