Sierra De La Laguna Dry Forests
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Sierra De La Laguna Dry Forests
The Sierra de la Laguna dry forests are a subtropical dry forest ecoregion of the southern Baja California Peninsula in Mexico. Geography The dry forests cover the lower elevations of the Sierra de la Laguna, from elevation. They are surrounded at lower elevations by the San Lucan xeric scrub, which lies between sea level and elevation. Above 800 meters elevation, the dry forests transition to the subhumid and temperate Sierra de la Laguna pine-oak forests. Climate The ecoregion has a warm and dry subtropical climate. Annual precipitation is generally less than 500 mm. The highest-rainfall months are late summer, from August to October with peak annual precipitation in September. Flora The characteristic vegetation is dry forest, composed of low trees and shrubs with an herbaceous understory. Many of the trees are deciduous, dropping their leaves during the dry season. The predominant tree species of the dry forests are the mauto (''Lysiloma divaricatum''), palo blanco ('' L. ...
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El Triunfo, Baja California Sur
El Triunfo is a town in La Paz Municipality, Baja California Sur, La Paz Municipality, Baja California Sur, Mexico, about 4.5 miles north of San Antonio, Baja California Sur, San Antonio. The town is located at an elevation of above sea level and has a population of 313 as 2020. It is a former Mining community, mining town. History The first mine in El Triunfo was established by Manuel de Ocio in the late 1700s. Ownership of the mine was temporarily transferred to the Spanish Crown at one point. However, the mine remained largely unsuccessful until 1878, where ownership of the mine was transferred. In 1862, silver and gold were discovered in the southern Baja California Sur mountains, leading miners from Mexico and the United States to rush to settle in El Triunfo in a gold rush. Many of the miners had participated in the California Gold Rush, 1849 California gold rush. In 1878, the mine was taken over by the British El Progreso Mining Company and became more successful. Once ...
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Hesperalbizia Occidentalis
''Hesperalbizia'' is a genus of flowering plants in the family Fabaceae. It belongs to the mimosoid clade of the subfamily Caesalpinioideae Caesalpinioideae is a botanical name at the rank of subfamily, placed in the large family Fabaceae or Leguminosae. Its name is formed from the generic name ''Caesalpinia''. It is known also as the peacock flower subfamily. The Caesalpinioideae .... The only species is ''Hesperalbizia occidentalis''. It is native to Mexico and is known by the common name ''palo escopeta''. References Mimosoids Monotypic Fabaceae genera Taxa named by James Walter Grimes Taxa named by Rupert Charles Barneby {{Mimosoideae-stub ...
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Acorn Woodpecker
The acorn woodpecker (''Melanerpes formicivorus'') is a medium-sized woodpecker, long, with an average weight of . Taxonomy The acorn woodpecker was formally described in 1827 by the English naturalist William John Swainson under the binomial name ''Picus formicivorus'' from a specimen collected in Mexico. The specific epithet combines the Latin ''formica'' meaning "ant" with ''-vorus'' meaning "eating". The type locality is Temascaltepec in Mexico. The acorn woodpecker is one of 24 species now placed in the genus ''Melanerpes'' that was introduced by Swainson in 1832. Within ''Melanerpes'' the acorn woodpecker is sister to a clade containing two South American species: the white woodpecker (''Melanerpes candidus'') and the white-fronted woodpecker (''Melanerpes cactorum''). Seven subspecies are recognised: * ''M. f. bairdi'' Ridgway, 1881 – Oregon (USA) to north Baja California (Mexico) * ''M. f. angustifrons'' Baird, SF, 1870 – south Baja California (Mexico) * ' ...
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White-tailed Antelope Squirrel
The white-tailed antelope squirrel (''Ammospermophilus leucurus'') is a diurnal species of ground squirrel, scientifically classified in the order Rodentia and family Sciuridae, found in arid regions of the southwestern United States and the Baja California Peninsula of northwestern Mexico. Distribution The white-tailed antelope squirrel's geographical range extends north to south from southwestern Oregon to New Mexico, and east to west from western Colorado to Baja California, Mexico.Hall, E. R. 1946. Mammals of Nevada. University of California Press, Berkeley, 710 pp. Home range and population density This species of squirrel has an average home range of , and utilizes approximately in its daily activities. Throughout much of the squirrel's range, especially in Utah, the population density fluctuates greatly, with periods of high density followed by periods of low density. Average population density also varies by season, with higher density in autumn relative to late spr ...
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Mule Deer
The mule deer (''Odocoileus hemionus'') is a deer indigenous to western North America; it is named for its ears, which are large like those of the mule. Two subspecies of mule deer are grouped into the black-tailed deer. Unlike the related white-tailed deer (''Odocoileus virginianus''), which is found throughout most of North America east of the Rocky Mountains and in the valleys of the Rocky Mountains from Idaho and Wyoming northward, mule deer are only found on the western Great Plains, in the Rocky Mountains, in the southwest United States, and on the west coast of North America. Mule deer have also been introduced to Argentina and Kauai, Kauai, Hawaii. Taxonomy Mule deer can be divided into two main groups: the mule deer (''sensu stricto'') and the black-tailed deer. The first group includes all subspecies, except ''O. h. columbianus'' and ''Sitka deer, O. h. sitkensis'', which are in the black-tailed deer group. The two main groups have been treated as separate species, but ...
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Pollinator
A pollinator is an animal that moves pollen from the male anther of a flower to the female stigma of a flower. This helps to bring about fertilization of the ovules in the flower by the male gametes from the pollen grains. Insects are the major pollinators of most plants, and insect pollinators include all families of bees and most families of aculeate wasps; ants; many families of flies; many lepidopterans (both butterflies and moths); and many families of beetles. Vertebrates, mainly bats and birds, but also some non-bat mammals (monkeys, lemurs, possums, rodents) and some lizards pollinate certain plants. Among the pollinating birds are hummingbirds, honeyeaters and sunbirds with long beaks; they pollinate a number of deep-throated flowers. Humans may also carry out artificial pollination. A pollinator is different from a pollenizer, a plant that is a source of pollen for the pollination process. Background Plants fall into pollination syndromes that reflect the type o ...
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Mexican Long-tongued Bat
The Mexican long-tongued bat (''Choeronycteris mexicana'') is a species of bat in the family Phyllostomidae. It is monotypic, the only species within the genus ''Choeronycteris''. The species is found in El Salvador, Guatemala, Honduras, Mexico, and the United States. Etymology The genus name ''Choeronycteris'' is derived from the Greek words (pig) and (bat). The specific name ''mexicana'' correlates to its distribution. Description The Mexican long-tongued bat is medium in size in the family Phyllostomidae. Its pelage can be up to 7 mm long and is typically gray to brownish but can be paler on the shoulders. Wings are darker brownish gray with paler tips. The ears will also have the same coloration as the body and will vary in size. The tail is short. Body weight is 10-20 g, with a maximum of 25 g in pregnant females. The species has a distinctly elongated snout tipped with a roughly 5 mm-long nose-leaf. The tongue is long, narrow and extendible, specialized for nec ...
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Peninsular Myotis
The peninsular myotis (''Myotis peninsularis'') is a species of vesper bat. It is endemic to northwestern Mexico, found only within Baja California Sur state on the southern Baja California Peninsula. Its habitats include the southern Peninsular Ranges and deserts. Taxonomy and etymology It was first encountered in August 1896 by Loye H. Miller. It was described by Gerrit Smith Miller Jr. in 1898.Miller Jr, G. S. (1898). XVII.—Description of a new bat from lower California. Journal of Natural History, 2(8), 124-125. It was previously considered a subspecies of the cave myotis, ''Myotis velifer''. Its species name '' peninsularis'' is Latin in origin, meaning "of or connected with a peninsula." Description It is long. Its tail is long, and does not extend past the uropatagium. Its forearm is long. Range and habitat It is only found in southern Baja California.Simmons, N.B. 2005. Order Chiroptera. Pp. 312–529 in Wilson, D.E. and Reeder, D.M. (eds.)Mammal Species of ...
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Brahea
''Brahea'' is a genus of palms in the family Arecaceae. They are commonly referred to as hesper palms and are endemic to Mexico and Central America.Govaerts, R. & Dransfield, J. (2005). World Checklist of Palms: 1-223. The Board of Trustees of the Royal Botanic Gardens, Kew. All Hesper Palms have large, fan-shaped leaves. The generic name honours Danish astronomer Tycho Brahe Tycho Brahe ( ; born Tyge Ottesen Brahe; generally called Tycho (14 December 154624 October 1601) was a Danish astronomer, known for his comprehensive astronomical observations, generally considered to be the most accurate of his time. He was ... (1546-1601). Species Formerly placed here *'' Washingtonia filifera'' (Linden ex André) H.Wendl. (as ''B. filamentosa'' (H.Wendl. ex Franceschi) H.Wendl. ex Kuntze) References External links Royal Botanic Gardens, Kew - ePIC: ''Brahea'' {{Taxonbar, from=Q138362 Arecaceae genera Flora of Mexico Neotropical realm flora ...
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Endemic
Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsewhere. For example, the Cape sugarbird is found exclusively in southwestern South Africa and is therefore said to be ''endemic'' to that particular part of the world. An endemic species can be also be referred to as an ''endemism'' or in scientific literature as an ''endemite''. For example '' Cytisus aeolicus'' is an endemite of the Italian flora. '' Adzharia renschi'' was once believed to be an endemite of the Caucasus, but it was later discovered to be a non-indigenous species from South America belonging to a different genus. The extreme opposite of an endemic species is one with a cosmopolitan distribution, having a global or widespread range. A rare alternative term for a species that is endemic is "precinctive", which applies to ...
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Ferocactus
''Ferocactus'' is a genus of large barrel-shaped cacti, mostly with large spines and small flowers. There are about 30 species included in the genus. They are found in the southwestern United States and northwestern Mexico. Description The young specimens are columnar but as they grow older ribs form and they take on a barrel form. Most of the species are solitary but some, such as ''Ferocactus robustus'' and '' F. glaucescens'', have clustering habits. The flowers are pink, yellow, red or purple depending on the species, and the petals sometimes have a stripe of a darker colour. Habitat They are desert dwellers and can cope with some frost and intense heat. The typical habitat is hot and very arid, and the plants have adapted to exploit water movement to concentrate their biomass in areas where water is likely to be present. Like ''Sclerocactus'', ''Ferocactus'' typically grow in areas where water flows irregularly or depressions where water can accumulate for short periods ...
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