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Bogertophis
''Bogertophis'' is a genus of New World rat snakes in the family Colubridae. The genus is endemic to the southwestern United States and northern Mexico. There are two accepted species. Etymology The genus ''Bogertophis'' is named in honor of American herpetologist Charles Mitchill Bogert. Species The following two species are recognized as being valid. *'' Bogertophis rosaliae'' ( Mocquard, 1899) – Baja California rat snake *''Bogertophis subocularis'' ( A. Brown, 1901) – Trans-Pecos rat snake ''Nota bene'': A binomial authority in parentheses indicates that the species was originally described in a genus other than ''Bogertophis''. Description ''Bogertophis'' are long, slender snakes, with large eyes that have round pupils. They can attain total lengths (including tail) of . Powell, Robert; Conant, Roger; Collins, Joseph T (2016). ''Peterson Field Guide to Reptiles and Amphibians of Eastern and Central North America, Fourth Edition''. Boston and New York: Houghton Miffl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bogertophis Subocularis
The Trans-Pecos rat snake or Davis Mountain rat snake (''Bogertophis subocularis''), is a species of medium to large, nonvenomous rat snake in the family Colubridae. ''Bogertophis subocularis'' is endemic to the Chihuahuan Desert. Geographic range The Trans-Pecos rat snake is found in the Mexican states of Chihuahua, Coahuila, Durango, and Nuevo León, and its range extends northward into Texas and New Mexico in the United States. Wright, Albert Hazen; Wright, Anna Allen (1957). ''Handbook of Snakes of the United States and Canada''. Ithaca and London: Comstock. 1,105 pp. (in two volumes). (''Elaphe subocularis'', pp. 255-259, Figure 79 + Map 23 on p. 223). Description ''B. subocularis'' has a row of small scales ( suboculars) between the lower border of the eye and the upper labials. Schmidt KP, Davis DD (1941). ''Field Book of Snakes of the United States and Canada''. New York: G.P. Putnam's Sons. 365 pp. (''Elaphe subocularis'', pp. 152-153, Figure 41). Coloration is y ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bogertophis Rosaliae
The Baja California rat snake ''(Bogertophis rosaliae)'' is a species of nonvenomous snake in the family Colubridae. The species is native to Baja California, Mexico; extreme southern California; and some islands in the Sea of Cortés. Description The Baja California rat snake is a large, slender colubrid snake with a long head, large eyes, and smooth dorsal scales. Adults have a total length (including tail) of . Each dorsal scale contains two apical pits (Price 1990a, 1990b). The dorsum is uniform olive or reddish brown without dark markings on a cream-colored background (Ottley and Jacobsen 1983). Yellowish or greenish coloration extends from the lower sides of the body to the venter (Price 1990b). The iris is yellow-green (Ottley and Jacobsen 1983). Taxonomic remarks Dowling and Price (1988) placed this snake in its own genus, ''Bogertophis'', based on immunological data, but complications with the data set and the mode of analysis indicated that it was best to regard this ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rat Snake
Rat snakes are members – along with kingsnakes, milk snakes, vine snakes and indigo snakes – of the subfamily Colubrinae of the family Colubridae. They are medium to large constrictors and are found throughout much of the Northern Hemisphere. They feed primarily on rodents. Many species make attractive and docile pets and one, the corn snake, is one of the most popular reptile pets in the world. As with all snakes, they can be defensive when approached too closely, handled, or restrained. However, rat snake bites are not dangerous to humans. Like nearly all colubrids, rat snakes pose no threat to humans. Rat snakes were long believed to be completely nonvenomous, but recent studies have shown that some Old World species do possess small amounts of venom, though the amount is negligible relative to humans. Previously, most rat snakes were assigned to the genus ''Elaphe'', but many have been since renamed following mitochondrial DNA analysis performed in 2002. For the p ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Charles Mitchill Bogert
Charles Mitchill Bogert (June 4, 1908 – April 10, 1992) was an American herpetologist, and curator of herpetology and researcher for the American Museum of Natural History. Early life and education Born in Mesa, Colorado, Bogert was a technician at the Division of Nature Study for the Los Angeles City Schools in California, a guide at Rocky Mountain National Park, and a forest ranger for the US National Park Service at the Grand Canyon National Park before attaining his bachelor and master of arts degrees at the University of California, Los Angeles. Assistant curator From 1936 to 1940, Bogert was the assistant curator of herpetology for the American Museum of Natural History. In the late 1930s and early 1940s, with a grant from the Carnegie Corporation, he participated in several surveys of various states in Mexico, including one with Karl Patterson Schmidt for the Field Museum of Natural History. In 1941, he was elected vice president of the American Society of Ichthyologists ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Colubridae
Colubridae (, commonly known as colubrids , from la, coluber, 'snake') is a family of snakes. With 249 genera, it is the largest snake family. The earliest species of the family date back to the Oligocene epoch. Colubrid snakes are found on every continent except Antarctica. Description While most colubrids are not venomous (or have venom that is not known to be harmful to humans) and are mostly harmless, a few groups, such as genus ''Boiga'', can produce medically significant injuries. In addition, the boomslang, the twig snakes, and the Asian genus ''Rhabdophis'' have caused human fatalities. Some colubrids are described as opisthoglyphous (often called "rear-fanged"), meaning they have elongated, grooved teeth located in the back of their upper jaws. It is likely that opisthoglyphous dentition evolved many times in the history of snakes and is an evolutionary precursor to the fangs of vipers and elapids, which are located in the front of the mouth. Classification In the pas ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Joseph T
Joseph is a common male given name, derived from the Hebrew Yosef (יוֹסֵף). "Joseph" is used, along with "Josef", mostly in English, French and partially German languages. This spelling is also found as a variant in the languages of the modern-day Nordic countries. In Portuguese and Spanish, the name is "José". In Arabic, including in the Quran, the name is spelled '' Yūsuf''. In Persian, the name is "Yousef". The name has enjoyed significant popularity in its many forms in numerous countries, and ''Joseph'' was one of the two names, along with ''Robert'', to have remained in the top 10 boys' names list in the US from 1925 to 1972. It is especially common in contemporary Israel, as either "Yossi" or "Yossef", and in Italy, where the name "Giuseppe" was the most common male name in the 20th century. In the first century CE, Joseph was the second most popular male name for Palestine Jews. In the Book of Genesis Joseph is Jacob's eleventh son and Rachel's first son, and k ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tan (color)
Tan is a pale tone of brown. The name is derived from tannum (oak bark) used in the tanning of leather. The first recorded use of ''tan'' as a color name in English was in the year 1590. Colors which are similar or may be considered synonymous to tan include: tawny, tenné, and fulvous. __TOC__ Variations of tan Sandy tan Displayed at right is the color ''Sandy tan''. This color was formulated by Crayola in 2000 as a Crayola marker color. Tan (Crayola) Displayed at right is the orangish tone of tan called ''tan'' since 1958 in Crayola crayons and 1990 in Crayola markers. Windsor tan Displayed at right is the color ''Windsor tan''. The first recorded use of ''Windsor tan'' as a color name in English was in 1925. Tuscan tan Displayed at right is the color ''Tuscan tan''. The first recorded use of ''Tuscan tan'' as a color name in English was in 1926. The normalized color coordinates for Tuscan tan are identical to café au lait and French beige, which ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Roger Conant (herpetologist)
Roger Conant (May 6, 1909 – December 19, 2003) was an American herpetologist, author, educator and conservationist. He was Director Emeritus of the Philadelphia Zoo and adjunct professor at the University of New Mexico. He wrote one of the first comprehensive field guides for North American reptiles in 1958 entitled: ''A Field Guide to Reptiles and Amphibians of Eastern and Central North America'', in the Peterson Field Guide series. Biography Born in Mamaroneck, New York, Conant lost his father when he was young. When he was a teenager he took a job at a local zoo to help his mother make ends meet, which, along with participating in the Boy Scouts of America, began his lifelong passion for reptiles. He was the first Eagle Scout in Monmouth County Council, New Jersey in 1924. He moved to Toledo, Ohio in 1929 and worked as Curator of Reptiles, and later General Curator at the Toledo Zoo from 1929 to 1935. In 1935 he returned to Philadelphia and became the Curator of Reptiles at th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Robert Powell (herpetologist)
Robert ″Bob″ Powell (born 17 August 1948 in Germany) is an American herpetologist. His main research interest is in the herpetofauna of the Caribbean. Career Powell was born in Germany but raised in Missouri. He received his Bachelor of Arts in 1970 from the University of Missouri and his Master of Arts in 1971 from the University of Missouri–Kansas City. In 1984, he received his Ph.D. from the University of Missouri with the thesis ″Variation in Spotted Salamanders (''Ambystoma maculatum'') from Missouri". In 1989, he became professor and coordinator in the biology department at the Avila College in Kansas City. From 1994 until 2018 he was professor for biology at the Avila University in Kansas City. In 2005, he described the gecko species ''Gonatodes daudini'' from Union Island, Saint Vincent and the Grenadines Saint Vincent and the Grenadines () is an island country in the Caribbean. It is located in the southeast Windward Islands of the Lesser Antilles, which lie ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pupil
The pupil is a black hole located in the center of the iris of the eye that allows light to strike the retina.Cassin, B. and Solomon, S. (1990) ''Dictionary of Eye Terminology''. Gainesville, Florida: Triad Publishing Company. It appears black because light rays entering the pupil are either absorbed by the tissues inside the eye directly, or absorbed after diffuse reflections within the eye that mostly miss exiting the narrow pupil. The term "pupil" was coined by Gerard of Cremona. In humans, the pupil is round, but its shape varies between species; some cats, reptiles, and foxes have vertical slit pupils, goats have horizontally oriented pupils, and some catfish have annular types. In optical terms, the anatomical pupil is the eye's aperture and the iris is the aperture stop. The image of the pupil as seen from outside the eye is the entrance pupil, which does not exactly correspond to the location and size of the physical pupil because it is magnified by the cornea. On the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Snakes
Snakes are elongated, limbless, carnivorous reptiles of the suborder Serpentes . Like all other squamates, snakes are ectothermic, amniote vertebrates covered in overlapping scales. Many species of snakes have skulls with several more joints than their lizard ancestors, enabling them to swallow prey much larger than their heads (cranial kinesis). To accommodate their narrow bodies, snakes' paired organs (such as kidneys) appear one in front of the other instead of side by side, and most have only one functional lung. Some species retain a pelvic girdle with a pair of vestigial claws on either side of the cloaca. Lizards have evolved elongate bodies without limbs or with greatly reduced limbs about twenty-five times independently via convergent evolution, leading to many lineages of legless lizards. These resemble snakes, but several common groups of legless lizards have eyelids and external ears, which snakes lack, although this rule is not universal (see Amphisbaenia, D ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
