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Platyplectrum Ornatum
The ornate burrowing frog (''Platyplectrum ornatum'') is a species of ground frog native to Australia. It was moved to the genus ''Opisthodon'' in 2006, following a major revision of amphibians, and is now classified in the genus ''Platyplectrum''. Description This frog is a relatively small and stubby species, growing no larger than 50 mm. It ranges in colour from grey to brown to yellow, and the dorsal surface patterns vary greatly between specimens. There is usually a butterfly-shaped patch behind the eyes. The dorsum is generally covered with red-tipped warts, and skin folds are present towards the head. The legs and arms are barred or spotted with darker markings. Toes have a slight webbing, while fingers have none. Ecology and behaviour This species distribution ranges from western Sydney to Cape York in Queensland, running along either side of the Great Dividing Range across to Western Australia. It occurs in both wet sclerophyll forest in coastal areas and in ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
John Edward Gray
John Edward Gray, FRS (12 February 1800 – 7 March 1875) was a British zoologist. He was the elder brother of zoologist George Robert Gray and son of the pharmacologist and botanist Samuel Frederick Gray (1766–1828). The same is used for a zoological name. Gray was keeper of zoology at the British Museum in London from 1840 until Christmas 1874, before the natural history holdings were split off to the Natural History Museum. He published several catalogues of the museum collections that included comprehensive discussions of animal groups and descriptions of new species. He improved the zoological collections to make them amongst the best in the world. Biography Gray was born in Walsall, but his family soon moved to London, where Gray studied medicine. He assisted his father in writing ''The Natural Arrangement of British Plants'' (1821). After being blackballed by the Linnean Society of London, Gray shifted his interest from botany to zoology. He began his zoologica ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Woodland
A woodland () is, in the broad sense, land covered with trees, or in a narrow sense, synonymous with wood (or in the U.S., the ''plurale tantum'' woods), a low-density forest forming open habitats with plenty of sunlight and limited shade (see differences between British, American, and Australian English explained below). Woodlands may support an understory of shrubs and herbaceous plants including grasses. Woodland may form a transition to shrubland under drier conditions or during early stages of primary or secondary succession. Higher-density areas of trees with a largely closed canopy that provides extensive and nearly continuous shade are often referred to as forests. Extensive efforts by conservationist groups have been made to preserve woodlands from urbanization and agriculture. For example, the woodlands of Northwest Indiana have been preserved as part of the Indiana Dunes. Definitions United Kingdom ''Woodland'' is used in British woodland management to mean tre ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Amphibians Described In 1842
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 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Amphibians Of Western Australia
The Amphibians of Western Australia are represented by two families of frogs. Of the 78 species found, most within the southwest, 38 are unique to the state. 15 of the 30 genera of Australian frogs occur; from arid regions and coastlines to permanent wetlands. Frog species in Western Australia have not suffered the major declines of populations and diversity of many parts of the world. No species is recorded as having become extinct, despite over 50% of recent worldwide extinctions being Australian. Three species are listed as Threatened, two as Vulnerable and '' Geocrinia alba'' as Critically endangered. Threats to the species include the fungal disease Chytridiomycosis, though no infection has yet been recorded, and damage to habitat from altered land use and fire regimes. These processes have caused decline in many populations, however, some have successfully colonized newly created habitats such as dams or suburban gardens. Species such as '' Litoria moorei'' (Motorbik ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Amphibians Of The Northern Territory
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 decli ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Amphibians Of New South Wales
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] |
Amphibians Of Queensland
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] |
Platyplectrum
''Platyplectrum'' is a genus of ground-dwelling frog in the family Limnodynastidae. Species in this genus are found in Australia, New Guinea, and on the Aru Islands The Aru Islands Regency ( id, Kabupaten Kepulauan Aru) is a group of about 95 low-lying islands in the Maluku Islands of eastern Indonesia. It also forms a regency of Maluku Province, with a land area of . At the 2011 Census the Regency had a po .... They are medium-sized frogs and the dorsal skin has a sandpaper-like texture. Although this genus was described in 1863 for the species '' Platyplectrum ornatum'', in 2009 it was synonymized with the genus '' Opisthodon.'' This classification was found to be paraphyletic with respect to the former genus ''Lechriodus''. For this reason, ''Platyplectrum'' was revived in 2021 for the members of ''Opisthodon'' and ''Lechriodus''. They inhabit a range of environments from arid areas to rainforests and wet sclerophyll forests, and are active after heavy rains in summer and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mating Call
A mating call is the auditory signal used by animals to attract mates. It can occur in males or females, but literature is abundantly favored toward researching mating calls in females. In addition, mating calls are often the subject of mate choice, in which the preferences of one gender for a certain type of mating call can drive sexual selection in a species. This can result in sympatric speciation of some animals, where two species diverge from each other while living in the same environment. There are many different mechanisms to produce mating calls, which can be broadly categorized into vocalizations and mechanical calls. Vocalizations are considered as sounds produced by the larynx and are often seen in species of birds, mammals, amphibians, and insects. Mechanical calls refer to any other type of sound that the animal produces using unique body parts and/or tools for communication with potential mates. Examples include crickets that vibrate their wings, birds that flap the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Neobatrachus
''Neobatrachus'' is a genus of burrowing ground frogs native to Australia. They occur in every state except Tasmania, however this genus is absent from the far north of Australia and most of Queensland. Most of the species in this genus occur in south-western Western Australia. They are often found in arid areas and burrow underground to avoid dehydration. They are typically found in temporary claypan and flooded grassland habitats. These burrowing frogs have special genetic characteristics that help them to live in extreme environments. They stand out because some species are tetraploids instead of diploids. All species have a similar body shape, they are rounded and squat with large eyes and the pupils constrict vertically. The limbs are short and the hands are free from webbing while the feet are partially webbed. Males lack a vocal sac. Approximately 1000 eggs are laid in a chain in still water. The reproductive cycle is dependent on sufficient rainfall, an unpredictable eve ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Spencer's Burrowing Frog
Spencer's burrowing frog (''Platyplectrum spenceri'') is a species of frog native to western and central Australia. Description Spencer's burrowing frog is very similar in appearance to the ornate burrowing frog (''Platyplectrum ornatus''). Both it and ''P. ornatus'' were moved to the genus ''Opisthodon'' in 2006, following a major revision of amphibians, and are now classified in the genus ''Platyplectrum''. Previously, ''P. spenceri'' was classified in the genus ''Limnodynastes''. Spencer's burrowing frog is a short, rotund frog with a small head and large eyes. The colour and patterns of the dorsal surface vary greatly. The colour ranges from a dark brown to light grey, with darker blotches. A butterfly shaped, darker patch is often found behind the eyes. The legs and arms are striped or spotted, the tympanum is not visible, and the feet range from partially to fully webbed. The absence of webbing between the toes allows for easier burrowing. Ecology and behaviour Spencer's b ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sclerophyll
Sclerophyll is a type of vegetation that is adapted to long periods of dryness and heat. The plants feature hard leaf, leaves, short Internode (botany), internodes (the distance between leaves along the stem) and leaf orientation which is parallel or oblique to direct sunlight. The word comes from the Greek ''sklēros'' (hard) and ''phyllon'' (leaf). The term was coined by Andreas Franz Wilhelm Schimper, A.F.W. Schimper in 1898 (translated in 1903), originally as a synonym of xeromorph, but the two words were later differentiated. Sclerophyllous plants occur in many parts of the world, but are most typical of areas with low rainfall or seasonal droughts, such as Australia, Africa, and western North and South America. They are prominent throughout Flora of Australia, Australia, parts of Flora of Argentina, Argentina, the Cerrado biogeographic region of Geography of Bolivia, Bolivia, Geography of Paraguay, Paraguay and Flora of Brazil, Brazil, and in the Mediterranean forests, woo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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