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Pseudis Tocantins
''Pseudis tocantins'' is a species of aquatic frog in the family Hylidae. It is endemic to central Brazil and occurs in the eponymous state of Tocantins, as well as in Goiás, Mato Grosso, and Maranhão states, in the Tocantins and Araguaia River basins. Description Adult females measure in snout–vent length. The overall appearance is robust. The head is longer than it is wide and the snout is rounded. The tympanum is distinct, elliptical in shape. The eyes are big. The toes are fully webbed. Skin is mostly smooth. Preserved specimens are dorsally brown with darker markings. Habitat and conservation ''Pseudis tocantins'' is an aquatic frog found in permanent ponds, lakes and swamps. Breeding takes place in these same habitats. It is a common species, but it is threatened by expanding agriculture, overgrazing, infrastructure development (both expanding human settlements and dams), and water pollution. Indeed, the type locality has probably already been decimated by dam cons ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ulisses Caramaschi
Ulisses Caramaschi is a Brazilian herpetologist specializing in neotropical frogs. He works at the National Museum of Brazil and is a professor at its Department of Vertebrates. Education Caramaschi possesses a bachelor's degree from the Botucatu campus of São Paulo State University and a master's from the University of Campinas in ecology, and a doctorate in biological science from São Paulo State University. Taxa described *''Bufo scitulus'' *''Chiasmocleis alagoanus'' *''Chiasmocleis atlantica'' *''Chiasmocleis capixaba'' *''Chiasmocleis carvalhoi'' *''Chiasmocleis cordeiroi'' *''Chiasmocleis crucis'' *''Chiasmocleis jimi'' *''Chiasmocleis mehelyi'' *''Crossodactylus bokermanni'' *''Crossodactylus dantei'' *''Crossodactylus lutzorum'' *''Elachistocleis piauiensis'' *''Gastrotheca pulchra'' *''Hyla araguaya'' *''Hyla atlantica'' *''Hyla buriti'' *''Hyla cachimbo'' *''Hyla cerradensis'' *''Hyla elianeae'' *''Hyla ericae'' *''Hyla ibitipoca'' *''Hyla izecksohni'' *''Hyla jimi' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Araguaia River
The Araguaia River ( pt, Rio Araguaia , Karajá: ♂ ''Berohokỹ'' eɾohoˈkə̃ ♀ ''Bèrakuhukỹ'' ɛɾakuhuˈkə̃ is one of the major rivers of Brazil though it is almost equal in volume at its confluence with the Tocantins. It has a total length of approximately 2,627 km. Geography The Araguaia River comes from Goiás-Mato Grosso south borders. From there it flows northeast to a junction with the Tocantins near the town of São João. Along its course, the river forms the border between the states of Goiás, Mato Grosso, Tocantins and Pará. Roughly in the middle of its course the Araguaia splits into two forks (with the western one retaining the name Araguaia and the eastern one being called the Javaés River). These later reunite, forming the Ilha do Bananal, the world's largest river island. The vein of the Javaés forms a broad inland where it pours back into the main Araguaia, a 100,000 hectare expanse of igapós or flooded forest, blackwater river channels, an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Amphibians Described In 1998
Amphibians are tetrapod, four-limbed and ectothermic vertebrates of the Class (biology), class Amphibia. All living amphibians belong to the group Lissamphibia. They inhabit a wide variety of habitats, with most species living within terrestrial animal, terrestrial, fossorial, arboreal or freshwater aquatic ecosystems. Thus amphibians typically start out as larvae living in water, but some species have developed behavioural adaptations to bypass this. The young generally undergo metamorphosis from larva with gills to an adult air-breathing form with lungs. Amphibians use their skin as a secondary respiratory surface and some small terrestrial salamanders and frogs lack lungs and rely entirely on their skin. They are superficially similar to reptiles like lizards but, along with mammals and birds, reptiles are amniotes and do not require water bodies in which to breed. With their complex reproductive needs and permeable skins, amphibians are often ecological indicators; in re ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Amphibians Of Brazil
Amphibians are four-limbed and ectothermic vertebrates of the class Amphibia. All living amphibians belong to the group Lissamphibia. They inhabit a wide variety of habitats, with most species living within terrestrial, fossorial, arboreal or freshwater aquatic ecosystems. Thus amphibians typically start out as larvae living in water, but some species have developed behavioural adaptations to bypass this. The young generally undergo metamorphosis from larva with gills to an adult air-breathing form with lungs. Amphibians use their skin as a secondary respiratory surface and some small terrestrial salamanders and frogs lack lungs and rely entirely on their skin. They are superficially similar to reptiles like lizards but, along with mammals and birds, reptiles are amniotes and do not require water bodies in which to breed. With their complex reproductive needs and permeable skins, amphibians are often ecological indicators; in recent decades there has been a dramatic decline ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Endemic Fauna Of Brazil
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 s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pseudis
''Pseudis'' is a genus of South American frogs (swimming frogs) in the family Hylidae. They are often common and frequently heard, but easily overlooked because of their camouflage and lifestyle, living in lakes, ponds, marshes and similar waters with extensive aquatic vegetation, often sitting at the surface among plants or on floating plants, but rapidly diving if disturbed. Whereas the adults are medium-sized frogs, their tadpoles are large; in some species the world's longest.Franklyn, D. (2015). . The Online Guide to the Animals of Trinidad and Tobago. Retrieved 7 January 2020 Distribution ''Pseudis'' species are distributed throughout tropical and subtropical South America, almost entirely east of the Andes (''P. paradoxa'' is the only species with populations west of the Andes, in Colombia). They are found from Trinidad to northern Argentina, being absent only in Ecuador and Chile, highland regions, and the southernmost part of South America. All species occur in Brazil, an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Type Locality (biology)
In biology, a type is a particular specimen (or in some cases a group of specimens) of an organism to which the scientific name of that organism is formally attached. In other words, a type is an example that serves to anchor or centralizes the defining features of that particular taxon. In older usage (pre-1900 in botany), a type was a taxon rather than a specimen. A taxon is a scientifically named grouping of organisms with other like organisms, a set that includes some organisms and excludes others, based on a detailed published description (for example a species description) and on the provision of type material, which is usually available to scientists for examination in a major museum research collection, or similar institution. Type specimen According to a precise set of rules laid down in the International Code of Zoological Nomenclature (ICZN) and the International Code of Nomenclature for algae, fungi, and plants (ICN), the scientific name of every taxon is almost a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Overgrazing
Overgrazing occurs when plants are exposed to intensive grazing for extended periods of time, or without sufficient recovery periods. It can be caused by either livestock in poorly managed agricultural applications, game reserves, or nature reserves. It can also be caused by immobile, travel restricted populations of native or non-native wild animals. Overgrazing reduces the usefulness, productivity, and biodiversity of the land and is one cause of desertification and erosion. Overgrazing is also seen as a cause of the spread of invasive species of non-native plants and of weeds. Degrading land, emissions from animal agriculture and reducing the biomass in a ecosystem contribute directly to climate change. Overgrazing can be reversed or prevented by removing grazers in order to give plants time to recover between grazing events. Successful planned grazing strategies have been support in the American bison of the Great Plains, or migratory Wildebeests of the African savann ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tympanum (anatomy)
The tympanum is an external hearing structure in animals such as mammals, birds, some reptiles, some amphibians and some insects. Using sound, vertebrates and many insects are capable of sensing their prey, identifying and locating their predators, warning other individuals, and locating potential mates and rivals by hearing the intentional or unintentional sounds they make. In general, any animal that reacts to sounds or communicates by means of sound, needs to have an auditory mechanism. This typically consists of a membrane capable of vibration known as the tympanum, an air-filled chamber and sensory organs to detect the auditory stimuli. Anurans In frogs and toads, the tympanum is a large external oval shape membrane made up of nonglandular skin. It is located just behind the eye. It does not process sound waves; it simply transmits them to the inner parts of the amphibian's ear, which is protected from the entry of water and other foreign objects. A frog's ear drum works ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tocantins River
The Tocantins River ( pt, Rio Tocantins, link=no , , Parkatêjê dialect, Parkatêjê: ''Pyti'' [pɨˈti]) is a river in Brazil, the central fluvial artery of the country. In the Tupi language, its name means "toucan's beak" (''Tukã'' for "toucan" and ''Ti'' for "beak"). It runs from south to north for about 2,450 km. It is not really a branch of the Amazon River, since its waters flow into the Atlantic Ocean alongside those of the Amazon. It flows through four Brazilian states (Goiás, Tocantins, Maranhão and Pará) and gives its name to one of Brazil's newest states, formed in 1988 from what was until then the northern portion of Goiás. The Tocantins is one of the largest Clearwater river (river type), clearwater rivers in South America. Course It rises in the mountainous district known as the Pirineus State Park, Pireneus, west of the Federal District, but its western tributary, the Araguaia River, has its extreme southern headwaters on the slopes of the Serra dos Cai ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Carlos Alberto Gonçalves Da Cruz
Carlos Alberto Gonçalves da Cruz (born 1944) is a Brazilian herpetologist. He works at the National Museum in Rio de Janeiro. Taxa named in Cruz's honor * '' Craugastor cruzi'' (McCranie, Savage & Wilson, 1989) * '' Hyla cruzi'' (Pombal & Bastos, 1998) * '' Chiasmocleis crucis'' (Caramaschi & Pimenta, 2003) Taxa described *'' Chiasmocleis alagoanus'' *'' Chiasmocleis atlantica'' *'' Chiasmocleis capixaba'' *'' Chiasmocleis carvalhoi'' *'' Chiasmocleis jimi'' *'' Chiasmocleis mehelyi'' *'' Hyla arildae'' *'' Hyla buriti'' *'' Hyla callipygia'' *'' Hyla cavicola'' *'' Hyla ericae'' *'' Hyla fluminea'' *'' Hyla gouveai'' *'' Hyla ibirapitanga'' *'' Hyla leucopygia'' *'' Hyla phaeopleura'' *'' Hyla pseudomeridiana'' *'' Hyla sibilata'' *'' Hyla stenocephala'' *'' Hyla weygoldti'' *''Hylomantis granulosa'' *'' Melanophryniscus simplex'' *'' Melanophryniscus spectabilis'' *'' Phasmahyla exilis'' *'' Phrynohyas lepida'' *'' Phrynomedusa bokermanni'' *'' Phrynomedusa marginata'' *'' P ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Maranhão
Maranhão () is a state in Brazil. Located in the country's Northeast Region, it has a population of about 7 million and an area of . Clockwise from north, it borders on the Atlantic Ocean for 2,243 km and the states of Piauí, Tocantins and Pará. The people of Maranhão have a distinctive accent inside the common Northeastern Brazilian dialect. Maranhão is described in books such as '' The Land of the Palm Trees'' by Gonçalves Dias and ''Casa de Pensão'' by Aluísio Azevedo. The dunes of Lençóis are an important area of environmental preservation. Also of interest is the state capital of São Luís, designated a Unesco World Heritage Site. Another important conservation area is the Parnaíba River delta, between the states of Maranhão and Piauí, with its lagoons, desert dunes and deserted beaches or islands, such as the Caju island, which shelters rare birds. Geography The northern portion of the state is a heavily forested plain traversed by numerous rivers, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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