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Verdin
The verdin (''Auriparus flaviceps'') is a species of penduline tit. It is the monotypic, only species in the genus ''Auriparus'' and the only representative of the old world family Remizidae to be found in North America. Taxonomy The verdin was species description, formally described in 1850 by the Swedish zoologist Carl Jakob Sundevall under the binomial name ''Aegithalus flaviceps''. It is now the only species placed in the genus ''Auriparus'' that was introduced in 1864 by the American naturalist Spencer Fullerton Baird. The genus name combines the Latin ''aurum'', ''auri'' meaning "gold" with the genus name ''Parus'' that was introduced by Carl Linnaeus in 1758 for the tits. The specific epithet ''flaviceps'' combines the Latin ''flavis'' meaning "yellow" with ''-ceps'' meaning "-capped". Six subspecies are recognised: * ''A. f. acaciarum'' Joseph Grinnell, Grinnell, 1931 – southwest USA to north Baja California, central Sonora, central Chihuahua (state), Chihuahua and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Penduline Tit
The penduline tits constitute the family (biology), family, Remizidae, of small perching bird, passerine birds, related to the true tit (bird), tits. All but the verdin make elaborate bag nests hanging from trees (whence "penduline", hanging), usually over water. Characteristics Penduline tits are tiny passerines, ranging from 7.5 to 11 cm in length, that resemble the true tits (Paridae) but have finer bills with more needle-like points. Their wings are short and rounded and their short tails are notched (except the stub-tailed tit). The penduline tits' typical plumage colors are pale grays and yellows and white, though the European penduline tit has black and chestnut markings and some species have bright yellow or red. Distribution and habitat The penduline tits live in Eurasia and Africa and North America. The genus ''Remiz'' is almost exclusively Palearctic, ranging discontinuously from Portugal and the tip of northern Morocco through to Siberia and Japan. The largest g ... [...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, 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 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 Penrose and his distinguished brothers, Richard, Spencer, and Charles. He became a self-trained naturalist as a young man ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Durango
Durango (), officially named Estado Libre y Soberano de Durango ( en, Free and Sovereign State of Durango; Tepehuán: ''Korian''; Nahuatl: ''Tepēhuahcān''), is one of the 31 states which make up the 32 Federal Entities of Mexico, situated in the northwest of the country. With a population of 1,832,650, the 8th lowest of Mexico's states, Durango has Mexico's second-lowest population density, after Baja California Sur. The capital city, Victoria de Durango, is named after the first President of Mexico, Guadalupe Victoria. Geography General information With , Durango accounts for about 6.3% of the entire territory of Mexico. It is the fourth largest state lying at the extreme northwest of the Central Mexican Plateau, where it meets the Sierra Madre Occidental—the highest peaks in the state. The state has an average elevation of 1,775 meters above sea level, with a mean elevation of 1,750 m in the Valleys region and 2,450 m in the Sierra region. The city of Durango is on t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fledging
Fledging is the stage in a flying animal's life between hatching or birth and becoming capable of flight. This term is most frequently applied to birds, but is also used for bats. For altricial birds, those that spend more time in vulnerable condition in the nest, the nestling and fledging stage can be the same. For precocial birds, those that develop and leave the nest quickly, a short nestling stage precedes a longer fledging stage. All birds are considered to have fledged when the feathers and wing muscles are sufficiently developed for flight. A young bird that has recently fledged but is still dependent upon parental care and feeding is called a fledgling. People often want to help fledglings, as they appear vulnerable, but it is best to leave them alone. The USA National Phenology Network defines the phenophase (or life cycle stage) of fledged young for birds as "One or more young are seen recently departed from the nest. This includes young incapable of sustained fli ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Acre
The acre is a unit of land area used in the imperial and US customary systems. It is traditionally defined as the area of one chain by one furlong (66 by 660 feet), which is exactly equal to 10 square chains, of a square mile, 4,840 square yards, or 43,560 square feet, and approximately 4,047 m2, or about 40% of a hectare. Based upon the international yard and pound agreement of 1959, an acre may be declared as exactly 4,046.8564224 square metres. The acre is sometimes abbreviated ac but is usually spelled out as the word "acre".National Institute of Standards and Technolog(n.d.) General Tables of Units of Measurement . Traditionally, in the Middle Ages, an acre was conceived of as the area of land that could be ploughed by one man using a team of 8 oxen in one day. The acre is still a statutory measure in the United States. Both the international acre and the US survey acre are in use, but they differ by only four parts per million (see below). The most common use ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chihuahuan Desert
The Chihuahuan Desert ( es, Desierto de Chihuahua, ) is a desert ecoregion designation covering parts of northern Mexico and the southwestern United States. It occupies much of far West Texas, the middle to lower Rio Grande Valley and the lower Pecos Valley in New Mexico, and a portion of southeastern Arizona, as well as the central and northern portions of the Mexican Plateau. It is bordered on the west by the Sonoran Desert, the Colorado Plateau, and the extensive Sierra Madre Occidental range, along with northwestern lowlands of the Sierra Madre Oriental range. Its largest, continual expanse is located in Mexico, covering a large portion of the state of Chihuahua, along with portions of Coahuila, north-eastern Durango, the extreme northern part of Zacatecas, and small western portions of Nuevo León. With an area of about , it is the largest desert in North America. The desert is fairly young, existing for only 8000 years. Geography There are several larger mou ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sonoran Desert
The Sonoran Desert ( es, Desierto de Sonora) is a desert in North America and ecoregion that covers the northwestern Mexican states of Sonora, Baja California, and Baja California Sur, as well as part of the southwestern United States (in Arizona and California). It is the hottest desert in both Mexico and the United States. It has an area of . In phytogeography, the Sonoran Desert is within the Sonoran Floristic province of the Madrean Region of southwestern North America, part of the Holarctic realm of the northern Western Hemisphere. The desert contains a variety of unique endemic plants and animals, notably, the saguaro (''Carnegiea gigantea'') and organ pipe cactus (''Stenocereus thurberi''). The Sonoran Desert is clearly distinct from nearby deserts (e.g., the Great Basin, Mojave, and Chihuahuan deserts) because it provides subtropical warmth in winter and two seasons of rainfall (in contrast, for example, to the Mojave's dry summers and cold winters). This creat ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Beak
The beak, bill, or rostrum is an external anatomical structure found mostly in birds, but also in turtles, non-avian dinosaurs and a few mammals. A beak is used for eating, preening, manipulating objects, killing prey, fighting, probing for food, courtship, and feeding young. The terms ''beak'' and ''rostrum'' are also used to refer to a similar mouth part in some ornithischians, pterosaurs, cetaceans, dicynodonts, anuran tadpoles, monotremes (i.e. echidnas and platypuses, which have a beak-like structure), sirens, pufferfish, billfishes and cephalopods. Although beaks vary significantly in size, shape, color and texture, they share a similar underlying structure. Two bony projections – the upper and lower mandibles – are covered with a thin keratinized layer of epidermis known as the rhamphotheca. In most species, two holes called ''nares'' lead to the respiratory system. Etymology Although the word "beak" was, in the past, generally restricted to the sharpened b ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Titmouse
''Baeolophus'' is a genus of birds in the family Paridae. Its members are commonly known as titmice. All the species are native to North America. In the past, most authorities retained ''Baeolophus'' as a subgenus within the genus ''Parus ''Parus'' is a genus of Old World birds in the tit family. It was formerly a large genus containing most of the 50 odd species in the family Paridae. The genus was split into several resurrected genera following the publication of a detailed mo ...'', but treatment as a distinct genus, initiated by the American Ornithological Society, is now widely accepted.Del Hoyo, J.; Elliot, A. & Christie D. (editors). (2007). '' Handbook of the Birds of the World. Volume 12: Picathartes to Tits and Chickadees. Lynx Edicions''. Etymology The genus name ''Baeolophus'' translates to ''small crested'' and is a compound of the Ancient Greek words : baiós - small, and : lόphοs - crest. Taxonomy The genus contains the following five species: Refer ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rufous
Rufous () is a color that may be described as reddish-brown or brownish-red, as of rust or oxidised iron. The first recorded use of ''rufous'' as a color name in English was in 1782. However, the color is also recorded earlier in 1527 as a diagnostic urine color. The word "rufous" is derived from the Latin ''rufus'', meaning "red", and is used as an adjective in the names of many animals—especially birds—to describe the color of their skin, fur, or plumage. See also * List of colours: N–Z *Lists of colours These are the lists of colors; * List of colors: A–F * List of colors: G–M * List of colors: N–Z * List of colors (compact) * List of colors by shade * List of color palettes * List of Crayola crayon colors * List of RAL colors * List of ... * References {{Shades of brown Bird colours Shades of brown Shades of red ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Passerine
A passerine () is any bird of the order Passeriformes (; from Latin 'sparrow' and '-shaped'), which includes more than half of all bird species. Sometimes known as perching birds, passerines are distinguished from other orders of birds by the arrangement of their toes (three pointing forward and one back), which facilitates perching. With more than 140 families and some 6,500 identified species, Passeriformes is the largest clade of birds and among the most diverse clades of terrestrial vertebrates, representing 60% of birds.Ericson, P.G.P. et al. (2003Evolution, biogeography, and patterns of diversification in passerine birds ''J. Avian Biol'', 34:3–15.Selvatti, A.P. et al. (2015"A Paleogene origin for crown passerines and the diversification of the Oscines in the New World" ''Molecular Phylogenetics and Evolution'', 88:1–15. Passerines are divided into three clades: Acanthisitti (New Zealand wrens), Tyranni (suboscines), and Passeri (oscines or songbirds). The passe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
American Bushtit
The American bushtit (''Psaltriparus minimus'') is the only species placed in the genus ''Psaltriparus'' and the only species in the family Aegithalidae that is found in the New World. In North America, it is referred to simply as "bushtit". Taxonomy The American bushtit was formally described by the American naturalist John Kirk Townsend in 1837 and given the binomial name ''Parus minimus''. Townsend noted that the species inhabited the forests of the Columbia River. It is now the only species placed in the genus ''Psaltriparus'' that was introduced in 1850 by the French naturalist Charles Lucien Bonaparte. The genus name ''Psaltriparus'' combines the genus '' Psaltria'' that was introduced by Coenraad Temminck in 1836 for the pygmy bushtit with '' Parus'' that was introduced by Carl Linnaeus in 1758 for the tits. Ten subspecies are recognised: * ''P. m. saturatus'' Ridgway, 1903 – southwest Canada and northwest USA * ''P. m. minimus'' (Townsend, JK, 1837) – coastal wes ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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