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Plasmodium Circumflexum
''Plasmodium circumflexum'' is a parasite of the genus ''Plasmodium'' subgenus '' Giovannolaia''. Like all ''Plasmodium'' species ''P. circumflexum'' has both vertebrate and insect hosts. The vertebrate hosts for this parasite are birds. Taxonomy The parasite was first described by Kikuth in 1931 in a juniper thrush. It may have been the same species previous described by Labbe in 1894 who thought it was a species of ''Haemoproteus''. Description Schizonts: these are large and when mature may entirely encircle the erythrocyte nucleus. Merozoites: each schizont gives rise to 13-30 merozoites (mean 19.8: standard deviation 5). Gametocytes: these are large and when mature may entirely encircle the erythrocyte nucleus. Distribution This parasite is found in Argentina, Brazil, Canada, Germany, Italy, Malaysia, Morocco, South Africa, Sri Lanka and the United States. Vectors '' Culiseta morsitans'' '' Mansonia crassipes'' '' Theobaldia annulata'' Sporogeny but not transmissi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Plasmodium
''Plasmodium'' is a genus of unicellular eukaryotes that are obligate parasites of vertebrates and insects. The life cycles of ''Plasmodium'' species involve development in a blood-feeding insect host which then injects parasites into a vertebrate host during a blood meal. Parasites grow within a vertebrate body tissue (often the liver) before entering the bloodstream to infect red blood cells. The ensuing destruction of host red blood cells can result in malaria. During this infection, some parasites are picked up by a blood-feeding insect (mosquitoes in majority cases), continuing the life cycle. ''Plasmodium'' is a member of the phylum Apicomplexa, a large group of parasitic eukaryotes. Within Apicomplexa, ''Plasmodium'' is in the order Haemosporida and family Plasmodiidae. Over 200 species of ''Plasmodium'' have been described, many of which have been subdivided into 14 subgenera based on parasite morphology and host range. Evolutionary relationships among different ''Pl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dendroica Tigrina
The Cape May warbler (''Setophaga tigrina'') is a species of New World warbler. It breeds in northern North America. Its breeding range spans all but the westernmost parts of southern Canada, the Great Lakes region, and New England. It is migratory, wintering in the West Indies. This species is a very rare vagrant to western Europe, with two records in Britain as of October 2013. The English name refers to Cape May, New Jersey, where George Ord collected the specimen later described by Alexander Wilson. This species was not recorded again in Cape May for another 100 years, although it is now known as an uncommon migrant there. Etymology The genus name ''Setophaga'' is from Ancient Greek ''ses'', "moth," and ', "eating", and the specific ''tigrina'' is Latin for "tiger-striped" from ''tigris'', "tiger". Description This bird is a small passerine and is a mid-sized New World warbler. Length can vary from , wingspan is , and body mass can range from . Among standard measurem ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Turdus Pilaris
The fieldfare (''Turdus pilaris'') is a member of the thrush family Turdidae. It breeds in woodland and scrub in northern Europe and across the Palearctic. It is strongly migratory, with many northern birds moving south during the winter. It is a very rare breeder in Great Britain & Ireland, but winters in large numbers in the United Kingdom, Southern Europe, North Africa and the Middle East. It is omnivorous, eating a wide range of molluscs, insects and earthworms in the summer, and berries, grain and seeds in the winter. Fieldfares often nest in small colonies, possibly for protection from predators. The nest is built in a tree where five or six eggs are laid. The chicks are fed by both parents and leave the nest after a fortnight. There may be two broods in southern parts of the range but only one further north. Migrating birds and wintering birds often form large flocks, often in the company of redwings. The fieldfare is long, with a grey crown, neck and rump, a plain br ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Turdus Migratorius Migratorius
True thrushes are medium-sized mostly insectivorous or omnivorous birds in the genus ''Turdus'' of the wider thrush family, Turdidae. The genus name ''Turdus'' is Latin for "thrush". The term "thrush" is used for many other birds of the family Turdidae as well as for a number of species belonging to several other families. The genus has a cosmopolitan distribution, with species in the Americas, Europe, Asia, Africa and Australia. Several species have also colonised some oceanic islands, and two species have been introduced to New Zealand. Some New World species are called ''robins'', the most well known of which is the American robin. Several species are migratory. While some species are often split out of ''Turdus'', the two small thrushes formerly separated in ''Platycichla'' by many authors have been restored to the present genus in recent years. Taxonomy and systematics The genus ''Turdus'' was introduced by the Swedish naturalist Carl Linnaeus in 1758 in the tenth editi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sturnus Malabaricus
The chestnut-tailed starling (''Sturnia malabarica''), also called grey-headed starling and grey-headed myna is a member of the starling family. It is a resident or partially migratory species found in wooded habitats in India and Southeast Asia. The species name is after the distribution of a former subspecies in the Malabar region. While the chestnut-tailed starling is a winter visitor to peninsular India, the closely related resident breeding population with a white head is now treated as a full species, the Malabar starling (''Sturnia blythii''). Taxonomy and distribution The lack of monophyly in the earlier starling genera has led to this species being placed variously under genus ''Sturnia'', ''Sturnus'' and ''Temenuchus'' in the past (Zuccon ''et al.'', 2006) and studies have suggested the reuse of an old name ''Temenuchus'' for members of this clade. Later studies have suggested placement in the genus ''Sturnia''. There are two subspecies of the chestnut-tailed starlin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Olor Buccinator
The trumpeter swan (''Cygnus buccinator'') is a species of swan found in North America. The heaviest living bird native to North America, it is also the largest extant species of waterfowl, with a wingspan of 185 to 250 cm (6 ft 2 in to 8 ft 2 in). It is the American counterpart and a close relative of the whooper swan (''Cygnus cygnus'') of Eurasia, and even has been considered the same species by some authorities. By 1933, fewer than 70 wild trumpeters were known to exist, and extinction seemed imminent, until aerial surveys discovered a Pacific population of several thousand trumpeters around Alaska's Copper River. Careful reintroductions by wildlife agencies and the Trumpeter Swan Society gradually restored the North American wild population to over 46,000 birds by 2010. Description The trumpeter swan is the largest extant species of waterfowl, and both the heaviest and longest native bird of North America. Adults usually measure long, though large males can exceed in ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Richmondena Cardinalis
The northern cardinal (''Cardinalis cardinalis'') is a bird in the genus ''Cardinalis''; it is also known colloquially as the redbird, common cardinal, red cardinal, or just cardinal (which was its name prior to 1985). It can be found in southeastern Canada, through the eastern United States from Maine to Minnesota to Texas, New Mexico, southern Arizona, southern California, and south through Mexico, Belize, and Guatemala. It is also an introduced species in a few locations such as Bermuda and Hawaii. Its habitat includes woodlands, gardens, shrublands, and wetlands. The northern cardinal is a mid-sized songbird with a body length of . It has a distinctive crest on the head and a mask on the face which is black in the male and gray in the female. The male is a vibrant red, while the female is a reddish olive color. The northern cardinal is mainly granivorous, but also feeds on insects and fruit. The male behaves territorially, marking out his territory with song. During courtsh ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Molothrus Ater
The brown-headed cowbird (''Molothrus ater'') is a small, obligate brood parasitic icterid native to temperate and subtropical North America. It is a permanent resident in the southern parts of its range; northern birds migrate to the southern United States and Mexico in winter, returning to their summer habitat around March or April. Taxonomy The brown-headed cowbird was described by the French polymath Georges-Louis Leclerc, Comte de Buffon in 1775 in his '' Histoire Naturelle des Oiseaux'' from a specimen collected in the Carolinas. The bird was also illustrated in a hand-colored plate engraved by François-Nicolas Martinet in the ''Planches Enluminées D'Histoire Naturelle'', which was produced under the supervision of Edme-Louis Daubenton to accompany Buffon's text. Neither the plate caption nor Buffon's description included a scientific name, but in 1783, Dutch naturalist Pieter Boddaert coined the binomial name ''Oriolus ater'' in his catalogue of the ''Planches Enl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mergus Merganser
The common merganser (North American) or goosander (Eurasian) (''Mergus merganser'') is a large seaduck of rivers and lakes in forested areas of Europe, Asia, and North America. The common merganser eats mainly fish. It nests in holes in trees. Taxonomy The first Species description, formal description of the common merganser was by Swedish naturalist Carl Linnaeus in 1758 in the 10th edition of Systema Naturae, 10th edition of his ''Systema Naturae''. He introduced the current binomial nomenclature, binomial name ''Mergus merganser''. The genus name is a Latin word used by Pliny the Elder, Pliny and other Ancient Rome, Roman authors to refer to an unspecified waterbird, and ''merganser'' is derived from ''mergus'' and ''anser'', Latin for "goose". In 1843 John James Audubon used the name "Buff-breasted Merganser" in addition to "goosander" in his book ''The Birds of America''. The three subspecies differ in only minor detail: * ''M. m. merganser'' – Carl Linnaeus, Linnaeus, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
