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Nature
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Catopsbaatar
Catopsbaatar is a genus of multituberculate, an extinct order of rodent-like mammals. It lived in what is now Mongolia during the late Campanian age of the Late…
Cattle egret
The cattle egrets (formerly genus Bubulcus) are a cosmopolitan clade of herons (family Ardeidae) in the genus Ardea found in the tropics, subtropics, warm tempe…
Chagas disease
Chagas disease, also known as American trypanosomiasis, is a tropical parasitic disease caused by Trypanosoma cruzi. It is spread mostly by insects in the subfa…
Chalciporus piperatus
Chalciporus piperatus, commonly known as the peppery bolete, is a species of fungus in the family Boletaceae. Described by Pierre Bulliard in 1790 as Boletus pi…
Charles Darwin
Charles Robert Darwin (/ˈdɑːrwɪn/ DAR-win; 12 February 1809 – 19 April 1882) was an English naturalist, geologist, and biologist, widely known for his contribut…
Cherry-throated tanager
The cherry-throated tanager (Nemosia rourei) is a critically endangered bird native to the Atlantic Forest in Brazil. Since its description in 1870, based on a …
Choiseul pigeon
The Choiseul pigeon (Microgoura meeki) is an extinct species of bird in the pigeon and dove family, Columbidae. It was endemic to the island of Choiseul in the …
Chorioactis
Chorioactis is a genus of fungi that contains the single species Chorioactis geaster. The mushroom is commonly known as the devil's cigar or the Texas star in t…
Clathrus ruber
Clathrus ruber is a species of fungus in the family Phallaceae, and the type species of the genus Clathrus. It is commonly known as the latticed stinkhorn, the …
Cleveland Bay
The Cleveland Bay is a breed of horse that originated in England during the 17th century, named after its colouring and the Cleveland district of Yorkshire. It …
Cley Marshes
Cley Marshes is a 176-hectare (430-acre) nature reserve on the North Sea coast of England just outside the village of Cley next the Sea, Norfolk. A reserve sinc…
Coccinellidae
Coccinellidae (/ˌkɒksɪˈnɛlɪdiː/) is a widespread family of small beetles. They are commonly known as ladybugs in North America and ladybirds in the United Kingd…
Common blackbird
The common blackbird (Turdus merula) is a species of true thrush. It is also known as the Eurasian blackbird (especially in North America, to distinguish it fro…
Common chiffchaff
The common chiffchaff (Phylloscopus collybita), or simply the chiffchaff, is a common and widespread leaf warbler which breeds in open woodlands throughout nort…
Common firecrest
The common firecrest (Regulus ignicapilla), also known as the firecrest, is a very small passerine bird in the kinglet family. It breeds in most of temperate Eu…
Common raven
The common raven or northern raven (Corvus corax) is a large all-black passerine bird. It is the most widely distributed of all corvids, found across the Northe…
Common starling
The common starling (Sturnus vulgaris), also known simply as the starling in Great Britain and Ireland, and as the European starling in North America, is a medi…
Common tern
The common tern (Sterna hirundo) is a seabird in the family Laridae. This bird has a circumpolar distribution, its four subspecies breeding in temperate and sub…
Common toad
The common toad, also known as European toad or simply the toad in Anglophone parts of Europe (Bufo bufo, from Latin bufo "toad"), is a toad found throughout mo…
Cooperative pulling paradigm
The cooperative pulling paradigm is an experimental design in which two or more animals pull rewards toward themselves via an apparatus that they cannot success…
Coprinellus micaceus
Coprinellus micaceus, commonly known as the mica cap, glistening inky cap, or shiny cap, is a common species of mushroom-forming fungus in the family Psathyrell…
Corn crake
The corn crake, corncrake or landrail (Crex crex) is a bird in the rail family. It breeds in Europe and Asia as far east as western China, and migrates to Afric…
Cortinarius caperatus
Cortinarius caperatus, commonly known as the wrinkled cort or gypsy mushroom, is a species of fungi of the genus Cortinarius. It was known as Rozites caperata f…
Cortinarius violaceus
Cortinarius violaceus, commonly known as the violet webcap or violet cort, is a fungus in the webcap genus, Cortinarius, for which it serves as the type species…