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The Living Encyclopedia
Explore our comprehensive database of reptiles, amphibians, fish, and invertebrates. Discover detailed care guides, morph varieties, and community setups.
mammal
Hutia
Capromys pilorides
Desmarest's hutia or the Cuban hutia is a stout, furry, rat-like mammal found only on Cuba and nearby islands. Growing to about 60 cm (2 ft), it normally lives in pairs and feeds on leaves, fruit, bark and sometimes small animals. It is the largest living hutia, a group of rodents native to the Caribbean that are mostly endangered or extinct. Desmarest's hutia remains widespread throughout its range, though one subspecies native to the nearby Cayman Islands went extinct shortly after European colonization in the 1500s.
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mammal
Muskrat
Ondatra zibethicus
The muskrat or common muskrat is a medium-sized semiaquatic rodent.
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mammal
Eurasian Beaver
Castor fiber
The Eurasian beaver or European beaver is a species of beaver widespread across Eurasia, with a rapidly increasing population of at least 1.5 million in 2020. The Eurasian beaver was hunted to near-extinction for both its fur and castoreum, with only about 1,200 beavers in eight relict populations from France to Mongolia in the early 20th century. It has since been reintroduced into much of its former range and now lives from Western, Southern, Central and Eastern Europe, Scandinavia, Russia through China and Mongolia, with about half the population in Russia. It is listed as least concern on the IUCN Red List.
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mammal
Mountain Beaver
Aplodontia rufa
The mountain beaver or sewellel is a North American rodent. It is the only living member of its genus, Aplodontia, and family, Aplodontiidae. It should not be confused with true North American and Eurasian beavers, to which it is not closely related; the mountain beaver is instead more closely related to squirrels. There are seven subspecies of mountain beaver, six of which are found in California and three of which are endemic to the state.
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mammal
Springhare
Pedetes capensis
Pedetes is a genus of rodent, the springhares, in the family Pedetidae. Members of the genus are distributed across southern and Eastern Africa.
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mammal
Jerboa
Jaculus jaculus
The lesser jerboa is a small rodent of Africa and the Middle East. Its diet consists mainly of seeds and grasses.
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mammal
Kangaroo Rat
Dipodomys merriami
Merriam's kangaroo rat is a species of rodent in the family Heteromyidae. The species name commemorates Clinton Hart Merriam. It is found in the Upper and Lower Sonoran life zones of the southwestern United States, Baja California, and northern Mexico.
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mammal
Pocket Gopher
Thomomys bottae
Botta's pocket gopher is a pocket gopher native to western North America. It is also known in some areas as valley pocket gopher, particularly in California. Both the specific and common names of this species honor Paul-Émile Botta, a naturalist and archaeologist who collected mammals in California in 1827 and 1828.
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mammal
Flying Squirrel
Glaucomys volans
The southern flying squirrel, sometimes called the assapan, is a species of squirrel in the family Sciuridae. G. volans is one of three species of flying squirrels found in North America. It is found in deciduous and mixed woods in the eastern half of North America, from southeastern Canada to Florida. Disjunct populations of this species have been recorded in the highlands of Mexico, Guatemala, and Honduras. There are 11 subspecies that are recognized as being valid, including the nominotypical subspecies.
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G
mammal
Giant Flying Squirrel
Petaurista petaurista
Giant Flying Squirrel (Petaurista petaurista)
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mammal
Marmot
Marmota monax
The groundhog, also known as the woodchuck, is a rodent of the family Sciuridae, belonging to the group of large ground squirrels known as marmots. A lowland creature of North America, it is found through much of the Eastern United States, across Canada and into Alaska. It was given its scientific name as Mus monax by Carl Linnaeus in 1758, based on a description of the animal by George Edwards, published in 1743.
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mammal
Alpine Marmot
Marmota marmota
The alpine marmot is a large ground-dwelling squirrel, from the genus of marmots. It is found in high numbers in mountainous areas of central and southern Europe, at heights between 800 and 3,200 m (2,600–10,500 ft) in the Alps, Carpathians, Tatras and Northern Apennines. In 1948 they were reintroduced with success in the Pyrenees, where the alpine marmot had disappeared at end of the Pleistocene epoch.
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invertebrate
Painted Lady Butterfly
Vanessa cardui
Vanessa cardui is the most widespread of all butterfly species. It is commonly called the painted lady, or formerly in North America the cosmopolitan.
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S
invertebrate
Swallowtail Butterfly
Papilio machaon
Swallowtail Butterfly (Papilio machaon)
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B
invertebrate
Blue Morpho
Morpho menelaus
Blue Morpho (Morpho menelaus)
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A
invertebrate
Atlas Moth
Attacus atlas
Atlas Moth (Attacus atlas)
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C
invertebrate
Cecropia Moth
Hyalophora cecropia
Cecropia Moth (Hyalophora cecropia)
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H
invertebrate
Hawk Moth
Manduca sexta
Hawk Moth (Manduca sexta)
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D
invertebrate
Death's-head Hawkmoth
Acherontia atropos
Death's-head Hawkmoth (Acherontia atropos)
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I
invertebrate
Io Moth
Automeris io
Io Moth (Automeris io)
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