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Doryfera
''Doryfera'' is a genus of hummingbird Hummingbirds are birds native to the Americas and comprise the biological family Trochilidae. With about 361 species and 113 genera, they occur from Alaska to Tierra del Fuego, but the vast majority of the species are found in the tropics aro ... in the family Trochilidae. Species The genus contains the following species: References Taxonomy articles created by Polbot {{hummingbird-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Doryfera Ludovicae
The green-fronted lancebill (''Doryfera ludovicae'') is a species of hummingbird in the family Trochilidae. Primarily known for its incredibly long bill and “glittering” green patch of feathers on its forehead, ''D. ludovicae'' is found in subtropical and tropical moist montane forest and prefers regions that include fast moving rivers and streams. Taxonomy The green-fronted lancebill is generally known by its species name ''Doryfera ludovicae'' but has been divided into the two subspecies ''D. ludovicae ludovicae'' and ''D. ludovicae'' ''veraguensis'' due to variation in geographic distribution. Originally placed in Phaethornithinae due its nest, recent examination of the genus has found it to be included in the “mango group” defined as including ''Androdon'', ''Anthracothorax'', ''Chrysolampis'', ''Colibri'', ''Doryfera'', ''Eulampis'', ''Heliactin'', ''Heliothryx'', ''Polytmus'', and ''Schistes.'' The most recent research has found evidence to suggest that ''Doryf ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Green-fronted Lancebill
The green-fronted lancebill (''Doryfera ludovicae'') is a species of hummingbird in the family Trochilidae. Primarily known for its incredibly long bill and “glittering” green patch of feathers on its forehead, ''D. ludovicae'' is found in subtropical and tropical moist montane forest and prefers regions that include fast moving rivers and streams. Taxonomy The green-fronted lancebill is generally known by its species name ''Doryfera ludovicae'' but has been divided into the two subspecies ''D. ludovicae ludovicae'' and ''D. ludovicae'' ''veraguensis'' due to variation in geographic distribution. Originally placed in Phaethornithinae due its nest, recent examination of the genus has found it to be included in the “mango group” defined as including ''Androdon'', ''Anthracothorax'', ''Chrysolampis'', ''Colibri'', ''Doryfera'', ''Eulampis'', ''Heliactin'', ''Heliothryx'', ''Polytmus'', and ''Schistes.'' The most recent research has found evidence to suggest that ''Doryf ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Blue-fronted Lancebill
The blue-fronted lancebill (''Doryfera johannae'') is a species of hummingbird in the family Trochilidae. It is found in Brazil, Colombia, Ecuador, Guyana, Peru, and Venezuela. Taxonomy and systematics The blue-fronted lancebill has two subspecies, the nominate ''D. j. johannae'' and ''D. j. guianensis''. It shares its genus only with the very similar green-fronted lancebill (''D. ludovicae''). Description The blue-fronted lancebill is long. Males weigh and females . Both sexes have a long straight to slightly upcurved bill, and often hold it at an upward angle. Males of the nominate subspecies have a violet forehead ("front"), a bronze nape, and otherwise dark bronzy green upperparts. The tail is short and blue-black. The underparts are blue-black with a bluish green gloss on the throat and breast. The female differs from the male by having a greenish blue forehead and dull grayish bronzy green underparts. Both sexes of ''D. j. guianensis'' have a shorter bill than th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Doryfera
''Doryfera'' is a genus of hummingbird Hummingbirds are birds native to the Americas and comprise the biological family Trochilidae. With about 361 species and 113 genera, they occur from Alaska to Tierra del Fuego, but the vast majority of the species are found in the tropics aro ... in the family Trochilidae. Species The genus contains the following species: References Taxonomy articles created by Polbot {{hummingbird-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
John Gould
John Gould (; 14 September 1804 – 3 February 1881) was an English ornithologist. He published a number of monographs on birds, illustrated by plates produced by his wife, Elizabeth Gould, and several other artists, including Edward Lear, Henry Constantine Richter, Joseph Wolf and William Matthew Hart. He has been considered the father of bird study in Australia and the Gould League in Australia is named after him. His identification of the birds now nicknamed "Darwin's finches" played a role in the inception of Darwin's theory of evolution by natural selection. Gould's work is referenced in Charles Darwin's book, ''On the Origin of Species''. Early life Gould was born in Lyme Regis, the first son of a gardener. Both father and son probably had little education. After working on Dowager Lady Poulett's glass house, his father obtained a position on an estate near Guildford, Surrey, and then in 1818, Gould Snr became foreman in the Royal Gardens of Windsor. Gould then be ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Species
In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. Other ways of defining species include their karyotype, DNA sequence, morphology, behaviour or ecological niche. In addition, paleontologists use the concept of the chronospecies since fossil reproduction cannot be examined. The most recent rigorous estimate for the total number of species of eukaryotes is between 8 and 8.7 million. However, only about 14% of these had been described by 2011. All species (except viruses) are given a two-part name, a "binomial". The first part of a binomial is the genus to which the species belongs. The second part is called the specific name or the specific epithet (in botanical nomenclature, also sometimes i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hummingbird
Hummingbirds are birds native to the Americas and comprise the biological family Trochilidae. With about 361 species and 113 genera, they occur from Alaska to Tierra del Fuego, but the vast majority of the species are found in the tropics around the equator. They are small birds, with most species measuring in length. The smallest extant hummingbird species is the bee hummingbird, which weighs less than . The largest hummingbird species is the giant hummingbird, weighing . They are specialized for feeding on flower nectar, but all species also consume flying insects or spiders. Hummingbirds split from their sister group, the swifts and treeswifts, around 42 million years ago. The common ancestor of extant hummingbirds is estimated to have lived 22 million years ago in South America. They are known as hummingbirds because of the humming sound created by their beating wings, which flap at high frequencies audible to humans. They hover in mid-air at rapid wing-flapping rate ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Trochilidae
Hummingbirds are birds native to the Americas and comprise the biological family Trochilidae. With about 361 species and 113 genera, they occur from Alaska to Tierra del Fuego, but the vast majority of the species are found in the tropics around the equator. They are small birds, with most species measuring in length. The smallest extant hummingbird species is the bee hummingbird, which weighs less than . The largest hummingbird species is the giant hummingbird, weighing . They are specialized for feeding on flower nectar, but all species also consume flying insects or spiders. Hummingbirds split from their sister group, the swifts and treeswifts, around 42 million years ago. The common ancestor of extant hummingbirds is estimated to have lived 22 million years ago in South America. They are known as hummingbirds because of the humming sound created by their beating wings, which flap at high frequencies audible to humans. They hover in mid-air at rapid wing-flapping rates, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Birds Of The Northern Andes
Birds are a group of warm-blooded vertebrates constituting the class Aves (), characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweight skeleton. Birds live worldwide and range in size from the bee hummingbird to the ostrich. There are about ten thousand living species, more than half of which are passerine, or "perching" birds. Birds have whose development varies according to species; the only known groups without wings are the extinct moa and elephant birds. Wings, which are modified forelimbs, gave birds the ability to fly, although further evolution has led to the loss of flight in some birds, including ratites, penguins, and diverse endemic island species. The digestive and respiratory systems of birds are also uniquely adapted for flight. Some bird species of aquatic environments, particularly seabirds and some waterbirds, have further evolved for swimming. Birds ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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