|
Vesper Mouse
Vesper mice are rodents belonging to the genus ''Calomys''. They are widely distributed in South America. Some species are notable as the vectors of Argentinian hemorrhagic fever and Bolivian hemorrhagic fever. The genus was originally named ''Hesperomys'', but was changed to ''Calomys'' in 1962. History ''Hesperomys'' was introduced by George Robert Waterhouse in 1839 for the American rodents with cusps arranged in two series. The name combines the Greek ἑσπερος "west" and μυς "mouse". He considered it possible that species of ''Hesperomys'' would be found in the Old World, but did not doubt that the Americas were their chief abode. He included as species ''Mus bimaculatus'' (=''Calomys laucha''), ''Mus griseo-flavus'' (=''Graomys griseoflavus''), ''Mus Darwinii'' (=''Phyllotis darwini''), ''Mus zanthopygus'' (=''Phyllotis xanthopygus''), ''Mus galapagoensis'' (=''Aegialomys galapagoensis''), ''Symidon hispidum'' (=''Sigmodon hispidus''), ''Mus leucopus'' (=''Peromysc ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Small Vesper Mouse
The small vesper mouse (''Calomys laucha'') is a rodent species from South America. It is found in Argentina, Bolivia, Brazil, Paraguay and Uruguay. It is one of the hosts of hantavirus, causing hantavirus pulmonary syndrome References Calomys Mammals of Argentina Mammals of Bolivia Rodents of Brazil Mammals of Paraguay Mammals of Uruguay Mammals described in 1814 {{Calomys-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Genus
Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In binomial nomenclature, the genus name forms the first part of the binomial species name for each species within the genus. :E.g. ''Panthera leo'' (lion) and ''Panthera onca'' (jaguar) are two species within the genus ''Panthera''. ''Panthera'' is a genus within the family Felidae. The composition of a genus is determined by taxonomy (biology), taxonomists. The standards for genus classification are not strictly codified, so different authorities often produce different classifications for genera. There are some general practices used, however, including the idea that a newly defined genus should fulfill these three criteria to be descriptively useful: # monophyly – all descendants of an ancestral taxon are grouped together (i.e. Phylogeneti ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Spencer Fullerton Baird
Spencer Fullerton Baird (; February 3, 1823 – August 19, 1887) was an American naturalist, ornithologist, ichthyologist, Herpetology, herpetologist, and museum curator. Baird was the first curator to be named at the Smithsonian Institution. He eventually served as assistant Secretary of the Smithsonian from 1850 to 1878, and as Secretary from 1878 until 1887. He was dedicated to expanding the natural history collections of the Smithsonian which he increased from 6,000 specimens in 1850 to over 2 million by the time of his death. He also served as the U.S. United States Fish Commission, Commissioner of Fish and Fisheries from 1871 to 1887 and published over 1,000 works during his lifetime. Early life and education Spencer Fullerton Baird was born in Reading, Pennsylvania in 1823. His mother was a member of the prominent Philadelphia Biddle family; he was a nephew of Speaker of the Pennsylvania Senate Charles B. Penrose and a first cousin, once removed, of U.S. Senator Boies Penr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Johann Andreas Wagner
Johann Andreas Wagner (21 March 1797 – 17 December 1861) was a German palaeontologist, zoologist and archaeologist who wrote several important works on palaeontology. He was also a pioneer of biogeographical theory. Career Wagner was born in Nuremberg and received a PhD from the University of Erlangen in 1826 after spending some time in the University of Wurzburg (1814-16). He worked as a privatdozent at Erlangen after a tour that included a visit to Paris. In 1832 he became an adjunct to Gotthilf Heinrich von Schubert at the Munich zoological collection. In 1835 he was elected to the Bavarian Academy of Sciences and Humanities, Royal Bavarian Academy of Science. In 1845 he organized a survey of the distributions of 44 vertebrates (16 mammals, 27 birds, 1 reptile) across the districts of Bavaria under auspices of the Kingdom of Bavaria. In 1849 he was made third curator for the zoological collections. He was the author of ''Die Geographische Verbreitung der Säugethiere Da ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Woodrat
A pack rat or packrat, also called a woodrat or trade rat, are any species in the North and Central American rodent genus ''Neotoma''. Pack rats have a rat-like appearance, with long tails, large ears, and large, black eyes. Pack rats are noticeably larger than deer mice, harvest mice, and grasshopper mice, and are usually somewhat larger than cotton rats. Species ''Neotoma'' includes three subgenera, Daggers (†) mark extinct species: * Subgenus ''Neotoma'' ** '' Neotoma albigula'' - white-throated woodrat *** '' Neotoma albigula varia'' - Turner Island woodrat ** '' Neotoma angustapalata'' - Tamaulipan woodrat ** '' Neotoma bryanti'' - Bryant's woodrat *** '' Neotoma bryanti anthonyi'' - Anthony's woodrat *** †'' Neotoma bryanti bunkeri'' - Bunker's woodrat *** †'' Neotoma bryanti martinensis'' - San Martín Island woodrat ** '' Neotoma chrysomelas'' - Nicaraguan woodrat ** '' Neotoma devia'' - Arizona woodrat ** '' Neotoma ferruginea'' - Guatemala woodrat ** †'' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Peromyscus Leucopus
The white-footed mouse (''Peromyscus leucopus'') is a rodent native to North America from southern Canada to the southwestern United States and Mexico. It is a species of the genus ''Peromyscus'', a closely related group of New World mice often called "deermice". In the Maritimes, its only location is a disjunct population in southern Nova Scotia. It is also erroneously known as the woodmouse, a name which instead describes the unrelated '' Apodemus sylvaticus'', particularly in Texas. Description Adults are in length, not counting the tail, which can add another . A young adult weighs . While their maximum lifespan is 96 months, the mean life expectancy for the species is 45.5 months for females and 47.5 for males. In northern climates, the average life expectancy is 12–24 months. The species is similar to ''Peromyscus maniculatus''. White-footed Mouse, Quetico.jpg, In Quetico Provincial Park, Ontario File:Rhus typhina-Peromyscus leucopus-female.jpg, Female on a staghorn s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sigmodon Hispidus
The hispid cotton rat (''Sigmodon hispidus'') is a rat long thought to occur in parts of South America, Central America, and southern North America. However, recent taxonomic revisions, based on mitochondrial DNA sequence data, have split this widely distributed species into three separate species (''S. hispidus'', ''S. toltecus'', and ''S. hirsutus''). The distribution of ''S. hispidus'' ranges from Arizona in the west to Virginia to the east and from the Platte River in Nebraska in the north to, likely, the Rio Grande in the south, where it meets the northern edge of the distribution of '' S. toltecus'' (formerly ''S. h. toltecus''). Adult size is total length ; tail , frequently broken or stubbed; hind foot ; ear ; mass . They have been used as laboratory animals. Taxonomy The currently accepted scientific name for the hispid cotton rat is ''Sigmodon hispidus''. It is a member of the family Cricetidae.Meikle, D. and Powers, K. (2011''Sigmodon hispidus'' hispid cotton rat Anim ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Aegialomys Galapagoensis
''Aegialomys'' is a genus of oryzomyini, oryzomyine rodents from the lowlands and mountains of western Peru and Ecuador, including the Galápagos Islands. The species in this genus have historically been placed in ''Oryzomys'', but according to cladistics, cladistic research, the genus is more closely related to a group containing, among others, ''Nectomys'' and ''Sigmodontomys'', than to ''Oryzomys''. The generic name ''Aegialomys'' means "coastal mouse" in Ancient Greek ( "coast" and "mouse") and references the mostly coastal occurrence of the genus. ''Aegialomys'' species have a greyish to buff dorsal pelage which is divided sharply from the white to light yellow ventral pelage. They have relatively short ears. There are crowns of hair at the bases of the toes. The tail is equal to or longer than the body and is darker above than below. There are two commonly recognized and described species in the genus: the mainland ''Aegialomys xanthaeolus, A. xanthaeolus'', the type speci ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Phyllotis Xanthopygus
The yellow-rumped leaf-eared mouse (''Phyllotis xanthopygus''), otherwise known as the Patagonian leaf-eared mouse, is a species of rodent in the family Cricetidae and order Rodentia. It is the most widespread member of the genus. Description ''Phyllotis xanthopygus'' is a predominantly greyish brown/sand-colored New World mouse that reaches around 55g in its adulthood. Its thick coat is typically lighter on its underside, most prominent posteriorly, exhibiting countershading that is typical for many small mammals as it aids in camouflage from predators. True to its name, the Patagonian leaf-eared mouse has broad triangular ears similar to other leaf-eared members that compose the genus Phyllotis. The pelage of ''Phyllotis xanthopygus'' is known to differ seasonally. This example of phenotypic plasticity contributes to its ability to camouflage in a dynamic, seasonal, environment. Blending in with the vegetation and rocky outcrops is an important characteristic as their primary ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Phyllotis Darwini
Darwin's leaf-eared mouse (''Phyllotis darwini'') is a species of rodent in the family Cricetidae. It has terrestrial habits and is endemic to coastal central and northern Chile. It is also found in the Atacama Desert The Atacama Desert () is a desert plateau located on the Pacific Ocean, Pacific coast of South America, in the north of Chile. Stretching over a strip of land west of the Andes Mountains, it covers an area of , which increases to if the barre .... Members of the species have been found in the Llanos de Challe national park of the Atacama Desert. As a nocturnal rodent, ''P. darwini'' utilize the varying degrees of moonlight to determine predation risk and will often alter foraging habits in favor of avoiding predators. References Phyllotis Endemic fauna of Chile Mammals of Chile Atacama Desert Mammals described in 1837 Taxonomy articles created by Polbot {{Phyllotis-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Graomys Griseoflavus
The gray leaf-eared mouse (''Graomys griseoflavus'') is a rodent species from South America. It is found in Argentina, Bolivia, Brazil and Paraguay; its habitat includes the Gran Chaco. This is a variable and widely distributed species that can be found in many habitat types. It is considered to be a species complex In biology, a species complex is a group of closely related organisms that are so similar in appearance and other features that the boundaries between them are often unclear. The taxa in the complex may be able to hybridize readily with each oth ..., and some populations might be considered separate species. Genus '' Graomys'' contains species once considered to be part of the complex.Ferro, L. I. and J. J. MartínezMolecular and morphometric evidence validates a Chacoan species of the grey leaf-eared mice genus ''Graomys'' (Rodentia: Cricetidae: Sigmodontinae).''Mammalia'' 73:3 265-71. September 2009. Notes References * Graomys Mammals of Argentina Mamm ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bolivian Hemorrhagic Fever
Bolivian hemorrhagic fever (BHF), also known as black typhus or Ordog Fever, is a hemorrhagic fever and zoonotic infectious disease originating in Bolivia after infection by Machupo virus.Public Health Agency of Canada: ''Machupo Virus Pathogen Safety Data Sheet'', http://www.phac-aspc.gc.ca/lab-bio/res/psds-ftss/machupo-eng.php, Date Modified: 2011-02-18. BHF was first identified in 1963 as an ambisense RNA virus of the '' Arenaviridae'' family, by a research group led by Karl Johnson. The mortality rate is estimated at 5 to 30 percent. Due to its pathogenicity, Machupo virus requires Biosafety Level Four conditions, the highest level.Center for Food Security & Public Health and Institute for International Cooperation in Animal Biologics, Iowa State University: ''Viral Hemorrhagic Fevers Caused by Arenaviruses'', http://www.cfsph.iastate.edu/Factsheets/pdfs/viral_hemorrhagic_fever_arenavirus.pdf, last updated: February 23, 2010. During the period between February and March ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
