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Cardioglossa Venusta
''Cardioglossa venusta'' is a species of frog in the family Arthroleptidae. It is endemic to the mountains of western Cameroon. Specifically, it is known from Mount Manengouba, the Bamileke Highlands, Mount Nlonako, and the Rumpi Hills. Common name highland long-fingered frog has been coined for it. Description Males measure in snout–vent length. Males have extremely long third fingers and spines in the fingers and in the groin; females lack these characteristics. Dorsal markings and the white line running under the tympanum, typical for the genus ''Cardioglossa'', are absent. Habitat and conservation ''Cardioglossa venusta'' occurs in montane forests and gallery forests near fast-flowing streams at elevations of above sea level. It can also persist in degraded, secondary habitat near more mature forest. Breeding takes place in streams. ''Cardioglossa venusta'' is a poorly known species with highly fragmented population. It is threatened by further habitat loss caused by ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Frog
A frog is any member of a diverse and largely semiaquatic group of short-bodied, tailless amphibian vertebrates composing the order (biology), order Anura (coming from the Ancient Greek , literally 'without tail'). Frog species with rough skin texture due to wart-like parotoid glands tend to be called toads, but the distinction between frogs and toads is informal and purely cosmetic, not from taxonomy (biology), taxonomy or evolutionary history. Frogs are widely distributed, ranging from the tropics to subarctic regions, but the greatest concentration of species diversity is in tropical rainforest and associated wetlands. They account for around 88% of extant amphibian species, and are one of the five most diverse vertebrate orders. The oldest fossil "proto-frog" ''Triadobatrachus'' is known from the Early Triassic of Madagascar (250Myr, million years ago), but molecular clock, molecular clock dating suggests their divergent evolution, divergence from other amphibians may exte ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Habitat Loss
Habitat destruction (also termed habitat loss or habitat reduction) occurs when a natural habitat is no longer able to support its native species. The organisms once living there have either moved elsewhere, or are dead, leading to a decrease in biodiversity and Abundance (ecology), species numbers. Habitat destruction is in fact the leading cause of biodiversity loss and species extinction worldwide. Humans contribute to habitat destruction through the Exploitation of natural resources, use of natural resources, agriculture, industrial production and urbanization (urban sprawl). Other activities include mining, logging and trawling. Environmental factors can contribute to habitat destruction more indirectly. Geological processes, climate change, introduced species, introduction of invasive species, ecosystem nutrient depletion, water pollution, water and noise pollution are some examples. Loss of habitat can be preceded by an initial habitat fragmentation. Fragmentation and lo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Amphibians Described In 1972
Amphibians are ectothermic, anamniotic, four-limbed vertebrate animals that constitute the class Amphibia. In its broadest sense, it is a paraphyletic group encompassing all tetrapods, but excluding the amniotes (tetrapods with an amniotic membrane, such as modern reptiles, birds and mammals). All extant (living) amphibians belong to the monophyletic subclass Lissamphibia, with three living orders: Anura (frogs and toads), Urodela (salamanders), and Gymnophiona (caecilians). Evolved to be mostly semiaquatic, amphibians have adapted to inhabit a wide variety of habitats, with most species living in freshwater, wetland or terrestrial ecosystems (such as riparian woodland, fossorial and even arboreal habitats). Their life cycle typically starts out as aquatic larvae with gills known as tadpoles, but some species have developed behavioural adaptations to bypass this. Young amphibians generally undergo metamorphosis from an aquatic larval form with gills to an air-breathing ad ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Endemic Fauna Of Cameroon
Endemism is the state of a species being found only 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 also be referred to as an ''endemism'' or, in scientific literature, as an ''endemite''. Similarly, many species found in the Western ghats of India are examples of endemism. Endemism is an important concept in conservation biology for measuring biodiversity in a particular place and evaluating the risk of extinction for species. Endemism is also of interest in evolutionary biology, because it provides clues about how changes in the environment cause species to undergo range shifts (potentially expanding their range into a larger area or becomin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Amphibians Of Cameroon
Amphibians are ectothermic, anamniotic, four-limbed vertebrate animals that constitute the class Amphibia. In its broadest sense, it is a paraphyletic group encompassing all tetrapods, but excluding the amniotes (tetrapods with an amniotic membrane, such as modern reptiles, birds and mammals). All extant (living) amphibians belong to the monophyletic subclass Lissamphibia, with three living orders: Anura (frogs and toads), Urodela (salamanders), and Gymnophiona (caecilians). Evolved to be mostly semiaquatic, amphibians have adapted to inhabit a wide variety of habitats, with most species living in freshwater, wetland or terrestrial ecosystems (such as riparian woodland, fossorial and even arboreal habitats). Their life cycle typically starts out as aquatic larvae with gills known as tadpoles, but some species have developed behavioural adaptations to bypass this. Young amphibians generally undergo metamorphosis from an aquatic larval form with gills to an air-breathing ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Frogs Of Africa
The fauna of Africa are all the animals living in Africa and its surrounding seas and islands. The more characteristic African fauna are found in the Afro-tropical realm. Lying almost entirely within the tropics, and stretching equally north and south of the equator creates favorable conditions for variety and abundance of wildlife. Africa is home to many of the world's most recognizable fauna such as lions‚ rhinoceroses‚ cheetahs‚ giraffes‚ antelope, hippopotamuses, leopards, zebras‚ and elephants, among many others. Origins and history of African fauna Whereas the earliest traces of life in fossil record of Africa date back to the earliest times, the formation of African fauna as we know it today, began with the splitting up of the Gondwana supercontinent in the mid-Mesozoic era. After that, four to six faunal assemblages, the so-called African Faunal Strata (AFSs) can be distinguished. The isolation of Africa was broken intermittently by discontinuous "filter routes" ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cardioglossa
''Cardioglossa'' is a genus of frogs in the family Arthroleptidae known as long-fingered frogs. They are native to western and central Africa, with the greatest species richness in Cameroon. They are found near streams in lowland and mountain forests, but also occur in other highland habitats near streams at up to in altitude. These are small frogs with a snout-to-vent length of . Some of the more localized species are threatened. Species There are 19 species of ''Cardioglossa'': *''Cardioglossa alsco ''Cardioglossa alsco'' is a species of frog in the family Arthroleptidae. It is endemic to Cameroon and is known from its type locality on southern slopes of the Tschabal Mbabo Mountains as well as from the Gotel Mountains, both in the Adamawa ...'' — Alsco long-fingered frog *'' Cardioglossa annulata'' — Annulated long-fingered frog *'' Cardioglossa congolia'' — Congolian long-fingered frog *'' Cardioglossa cyaneospila'' — Mukuzira long-fingered frog *'' Cardiogl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rumpi Hills Wildlife Reserve
The Rumpi Hills Wildlife Reserve is a reserve in the Rumpi Hills in western Cameroon. This site is in area. The reserve was originally created in 1941. The hills are late tertiary volcanic rocks. Fauna include elephants, chimpanzee, drill and Preuss's monkey. Location and habitation The Rumpi Hills Forest Reserve (RHFR) is located at latitude 4°51′26″ N and longitude 9°07′15″ E in Ndian division, South West Region of Cameroon. Previously known as the Rumpi Hills Native Administration Forest Reserve, it was created by Forestry Ordinance No 38 of 1937 and approved by Forestry Ordinance No 16756/79 of 2 July 1941.SWPA, 2016. The Northern boundary is the road from Lipenja Mukete through Ikoi and Dikome Ngolo to Madie. The Southern boundary goes through Nalende, Monyange, Itoki and Ilor to Moko. Meanwhile, the Eastern boundary goes through Dikome Balue, Mofako, Itende to Bisoro. Finally, the West boundary goes through Dibonda and Ndian and Ituka to Lipenja which is also ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Above Sea Level
Height above mean sea level is a measure of a location's vertical distance (height, elevation or altitude) in reference to a vertical datum based on a historic mean sea level. In geodesy, it is formalized as orthometric height. The zero level varies in different countries due to different reference points and historic measurement periods. Climate change and other forces can cause sea levels and elevations to vary over time. Uses Elevation or altitude above sea level is a standard measurement for: * Geographic locations such as towns, mountains and other landmarks. * The top of buildings and other structures. * Mining infrastructure, particularly underground. * Flying objects such as airplanes or helicopters below a Transition Altitude defined by local regulations. Units and abbreviations Elevation or altitude is generally expressed as "metres above mean sea level" in the metric system, or " feet above mean sea level" in United States customary and imperial units. Com ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Arthroleptidae
The Arthroleptidae are a family (biology), family of frogs found in sub-Saharan Africa. This group includes African treefrogs in the genus ''Leptopelis'' along with the terrestrial breeding squeakers ''Arthroleptis'', and several genera restricted to the Guinean forests of central and west Africa, such as the hairy frog ''(Trichobatrachus)''. Taxonomy This family is the phylogenetic sister group of reed frogs, the Hyperoliidae, which together form the lineage Laurentobatrachia, a name that commemorates work on African frogs by the Argentine herpetologist Raymond Laurent. This group is further nested within the Afrobatrachia, an ancient African endemic lineage that includes the Brevicipitidae and Hemisotidae. The Arthroleptidae are separated, based on phylogenetic analyses, into three deeply divergent and dissimilar subfamilies: Arthroleptinae, Astylosterninae, and Leptopelinae. Some consider these to be separate families, while others do not recognize any subfamilies, in particul ... [...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. Insects Amphibia Anura 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 fr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rumpi Hills
The Rumpi Hills are an undulating mountain range with its highest peak, Mount Rata about located between the villages of Dikome-Balue, Dikome Balue and Mofako Balue, Ndian division in the Southwest region of Cameroon. The hills are situated at 4°50’N 9°07’E, cutting across four local councils, with the eastern slopes in Dikome Balue, southern slopes in Ekondo-Titi, Ekondo Titi, western slopes in Mundemba, and northern slopes in Toko, Cameroon, Toko local councils respectively. These hills are located about north of Mount Cameroon; about west of the Bakossi Mountains and some southeast of the Korup National Park. The Rumpi hills are covered by more than of a combination of mid-elevation montane, coastal evergreen, and drier northern semi-evergreen forests as well as other vegetation types. About of this forest forms what is known as the Rumpi Hills Forest Reserve (RHFR). Located in the equatorial forest zone of Cameroon, this area is very rich in plant biodiversity rang ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
