Juan A. Rivero
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Juan A. Rivero
Dr. Juan Arturo Rivero Quintero (March 5, 1923 in Santurce, Puerto Rico – March 3, 2014) was a Puerto Rico, Puerto Rican biologist who founded the Dr. Juan A. Rivero Zoo at the University of Puerto Rico's Mayagüez Campus. Education Dr. Rivero obtained a Bachelor of Science in Agronomy from the University of Puerto Rico at Mayagüez in 1945. In 1942, he joined the Beta-Activo chapter of Phi Sigma Alpha fraternity. In 1951, he obtained an M.S. from Harvard University, followed by a Ph.D. from that same institution in 1953. Academic career After obtaining his bachelor's degree, Rivero served as an assistant plant physiologist, instructor, assistant professor and associate professor before becoming a full professor of biology at UPR-Mayagüez in 1958. In 1950, he participated in the expedition to the Upper Orinoco, which will serve as the basis for his doctoral studies. After founding the UPR-Mayagüez Zoo in 1954, he served as its first director, as well as founder and director ...
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Santurce, Puerto Rico
Santurce (, from the Basque '' Santurtzi'' which means Saint George) is a barrio or district in the municipality of San Juan. Its population in 2020 was 69,469. It is also the biggest and most populated of all the barrios in the capital city with a bigger population than most municipalities of Puerto Rico and one of the most densely populated areas of the island (13,257.4 persons per square mile). Geography Geographically speaking, Santurce is a peninsula that is attached to the mainland in the east, where it borders with the Isla Verde district of Carolina. It is 7.6 km long from west to east, and up to 3.0 km wide in the eastern part. The peninsula is bounded by the Atlantic Ocean in the north, with more than five km of beaches from the Condado peninsula in the west, to a point 600 m east of ''Punta Las Marías'', where it borders on the Isla Verde area, and '' Laguna San José'' and its northern embayment, ''Laguna Los Corozos'' to the east. To the south is the ...
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Treehopper
Treehoppers (more precisely typical treehoppers to distinguish them from the Aetalionidae) and thorn bugs are members of the family (biology), family Membracidae, a group of insects related to the cicadas and the leafhoppers. About 3,200 species of treehoppers in over 400 genera are known.Treehoppers.
Dr. Metcalf. NCSU Libraries. North Carolina State University.
They are found on all continents except Antarctica; only five species are known from Europe. Individual treehoppers usually live for only a few months.


Morphology

Treehoppers, due to their unusual appearance, have long interested naturalists. They are best known for their enlarged and ornate pronotum, expanded into often fantastic shapes that enhance their camouflage or mimicry, often resembling Thorns, spines, and prickles, plant th ...
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Leptodactylus Riveroi
''Leptodactylus riveroi'' is a species of frog in the family Leptodactylidae. It is also known as Rivero's white-lipped frog. It is found in Brazil, Colombia, Venezuela, and possibly Peru. Its natural habitats are subtropical or tropical moist lowland forests and rivers. It is not considered threatened by the IUCN. It was discovered by Juan A. Rivero Dr. Juan Arturo Rivero Quintero (March 5, 1923 in Santurce, Puerto Rico – March 3, 2014) was a Puerto Rico, Puerto Rican biologist who founded the Dr. Juan A. Rivero Zoo at the University of Puerto Rico's Mayagüez Campus. Education Dr. Rivero .... References Current IUCN Red List of all Threatened Species riveroi Frogs of South America Amphibians of Brazil Amphibians of Colombia Amphibians of Venezuela Least concern biota of South America Amphibians described in 1983 Taxa named by Juan A. Rivero Taxonomy articles created by Polbot {{Leptodactylidae-stub ...
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Doris Mable Cochran
Doris Mable Cochran (May 18, 1898 – May 22, 1968) was an American Herpetology, herpetologist and custodian of the American Natural Collection at the Smithsonian Institution in Washington, D.C., for many years. Life Born in North Girard, Pennsylvania, she grew up in Washington, D.C., after her father transferred there for a government job. While an undergraduate student at George Washington University (A.B. 1920, M.S. 1921), she worked for the United States Department of War, War Department and became Aide in the Division of Herpetology at the United States National Museum. Although the museum was under the curatorship of Leonhard Stejneger, Cochran was responsible for the administration of the herpetological collections. In 1927 she became Assistant Curator, and in 1942, Associate Curator just prior to Stejneger's death. She earned a Ph.D. at the University of Maryland, College Park, University of Maryland in 1933 with a thesis on Callinectes sapidus, blue crab musculature. ...
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Dendropsophus Riveroi
''Dendropsophus riveroi'' is a species of frog in the family Hylidae. It is found in the upper Amazon Basin in western Brazil, Bolivia, Peru, Ecuador, and southern Colombia. In Ecuador it has been mixed with the newly described '' Dendropsophus shiwiarum''. The specific name honours Juan A. Rivero. Description ''Dendropsophus riveroi'' is a small species: males measure and females in snout–vent length. Coloration varies by the time of the day: the dorsal color is light yellow at night, with bronze marking. During the day, coloration varies between bronze and cream with brown markings and ill-defined brown stripes on the canthals and above the tympanums. The skin is smooth dorsally and granular ventrally. The fingers are one-fourth webbed and the toes two-thirds webbed. Habitat and conservation Its natural habitat In ecology, the term habitat summarises the array of resources, physical and biotic factors that are present in an area, such as to support the survival ...
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Janis Roze
Jānis Arnolds Roze, born in Latvia in 1926, is a herpetologist and Professor of Biology Emeritus of City College and Graduate School of the City University of New York.Beolens, Bo; Watkins, Michael; Grayson, Michael (2011). ''The Eponym Dictionary of Reptiles''. Baltimore: Johns Hopkins University Press. xiii + 296 pp. . ("Roze", p. 228). He was professionally associated with the American Museum of Natural History and the United Nations. A founder of the International Center for Integrative Studies, he published several books and narrated several videos on Creative Evolution. He co-edited ''What Does it Mean to Be Human''. Biography A short résumé from the "Be Human" film site of The Ecological Institute of Búzios, Atlantic Rain Forest, Brazil: *Fulbright Senior Scholar. *Co-Director of UASD International Exchange Program of University of New York. *Advisor at United Nations Center of Science and Technology. *Member of the expert group of UN for the establishment of a new in ...
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Atractus Riveroi
''Atractus riveroi'', Rivero's ground snake, is a species of snake in the family Colubridae. The species can be found in Venezuela Venezuela (; ), officially the Bolivarian Republic of Venezuela ( es, link=no, República Bolivariana de Venezuela), is a country on the northern coast of South America, consisting of a continental landmass and many islands and islets in th .... References Atractus Reptiles of Venezuela Endemic fauna of Venezuela Reptiles described in 1961 Taxa named by Janis Roze {{Dipsadinae-stub ...
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