This is a list of nocturnal animals and groups of animals. There is also a more specific list of nocturnal birds.
Known nocturnal animals
Aardvark Aye-aye African elephant (possibly crepuscular; when near humans, otherwise diurnal) American black bear Woolly lemur (Avahi) BadgerKansas University Bandicoot Bat Bat-eared fox Beaver Bilby Binturong Black rhinoceros Black rat Black-footed cat Brown rat Galago (bushbaby) Bush rat Capybara (some are crepuscular) Caracal Catfish Chinchilla CivetJournal van Schaik, C.P. and Griffiths, M., 1996. Activity periods of Indonesian rain forest mammals. Biotropica, pp.105-112. Cockroach Colugo (Flying Lemur) Cougar Coyote CricketUniversity of Arizona, Cricket Info Cacomistle Cyprus spiny mouse Dingo Dolphin Dwarf crocodile Dwarf lemur Firefly Flying squirrelKansas University Genet (animal) Gerbil (some are diurnal or crepuscular) Giraffe (possibly crepuscular) Gray wolf Great grey slug Great white shark (possibly crepuscular) Hamster Hedgehog Hermit crab Hippopotamus Honey badgerBadgers.co.uk HoneyBadger.com Hyena Hoffmann's two-toed sloth Iranian jerboaWildlife Journal Junior Jaguar (bordering on crepuscular) Kangaroo (most, a few are crepuscular)Australian Dept. of Foreign Affairs and Trade Koala (mostly nocturnal)Australian Koala Foundation Kinkajou Kit fox (mostly) Leopard Leopard Gecko Lion (bordering on crepuscular)Lions' nocturnal chorus Phoenix Zoo Fact Sheet - Lions Margay Mink (bordering on crepuscular)Wildlife Conservation Research Unit Mole Mouse Mouse lemur Nightingale Night heron Nightjar Night monkey Nine-banded armadilloMammals of Kansas - Kansas University Octodon (except the diurnal degus species)University of Michigan OncillaFelineConserveation.org Ocelot OpossumCraton.net Otter Owl Pacarana Pangolin Platypus Paradoxical frog Porcupine Possum Python regiusNad Al Shiba Veterinary Hospital Quoll Rabbit rat RaccoonNature Works Red-eyed tree frog Red fox Ringtail Sambar Deer Scorpion Skunk Slender lorisNekaris, K.A.I., 2001. Activity budget and positional behavior of the Mysore slender loris (Loris tardigradus lydekkerianus): implications for slow climbing locomotion. Folia Primatologica, 72(4), pp.228-241 Slow loris Spectacled bear Sportive lemur Sugar glider Tamandua Tapeti TarantulaDesert Museum Tarsier Tasmanian devil Tiger (most species)based on work of Peter Jackson - Chairman, Cat Specialist Group Turtle Onychophora Western woolly lemur Whale Whale shark Whip-poor-will White-faced storm petrel (when caring for young)Clark, R. J. and Mikkola, H. (1989) A preliminary revision of threatened and near-threatened nocturnal birds of prey of the world. Pp. 371-388 in Meyburg, B.-U. and Chancellor, R.D., eds. Raptors in the modern world. Berlin and London: World Working Group on Birds of Prey and Owls. White-tailed deer (bordering on crepuscular) Wild boar Wolverine Wombat
See also Crepuscular, a classification of animals that are active primarily during twilight, making them similar to nocturnal animals. Diurnality, plant or animal behavior characterized by activity during the day and sleeping at night. Cathemeral, a classification of organisms with sporadic and random intervals of activity during the day or night. Matutinal, a classification of organisms that are only or primarily active in the pre-dawn hours or early night. Vespertine, a classification of organisms that are only or primarily active in the evening. Circadian rhythm Chronotype
References
External links The Susceptibility of Nocturnal Animals to Ultra-violet Radiation BBC Nature Wildlife, Nocturnal