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Description

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A large Hyperolius (males 30-37 mm, females 34-38 mm). Phase J with hour-glass pattern. Ph. F greyish with black spots and specks. Dorsum shagreened or warty. Webbing extensive. Pupil horizontal. Belongs to a group together with H. tuberculatus and H. hutsebauti, occurring in clearings in the forest belt. Probably closely related to the savanna-living Hyperolius viridiflavus complex.A member of the H. viridiflavus complex. Sometimes regarded as a subspecies of H. tuberculatus.This species shows developmental changes in patterning, with two phases, J (juveniles and many mature males) and F (mature females and some mature males). All newly metamorphosed individuals are phase J, which is normally brownish to green with paired light dorsolateral lines, or an hourglass pattern. All females, and some males, develop into phase F before the first breeding season. Phase F is often colorful and variable, showing the diagnostic color characteristics for the species or subspecies. Either well-defined morphs may be present, or graded variation. This account was taken from "Treefrogs of Africa" by Arne Schiøtz with kind permission from Edition Chimaira (http://www.chimaira.de/) publishers, Frankfurt am Main.
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Distribution and Habitat

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From lowland forest clearings near Mt. Nimba. Known from only a few localities within a few miles of each other, where it is found calling from grass at the edges of large, probably temporary, swamps. The species is abundant and conspicuous here, so it is not likely it has been overlooked at other apparently suitable localities in West Africa.
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Life History, Abundance, Activity, and Special Behaviors

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Males call from grass at the edge of large swamps. The call is a fast series of clicks with a clear tonal quality, sounding like small bells. Calls were always heard in series, about 7 per second, never singly as in most other Hyperolius. The single call has a well-defined frequency-intensity maximum at about 2400 cps, and sounds very similar to the single call of Hyperolius viridiflavus.
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Hyperolius nimbae ( Catalan; Valencian )

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Hyperolius nimbae és una espècie de granota que viu a Costa d'Ivori i, possiblement també, a Guinea i Libèria.

Es troba amenaçada d'extinció per la pèrdua del seu hàbitat natural.

Referències

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Hyperolius nimbae: Brief Summary ( Catalan; Valencian )

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Hyperolius nimbae és una espècie de granota que viu a Costa d'Ivori i, possiblement també, a Guinea i Libèria.

Es troba amenaçada d'extinció per la pèrdua del seu hàbitat natural.

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Nimba-Berg-Riedfrosch ( German )

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Der Nimba-Berg-Riedfrosch (Hyperolius nimbae) ist ein Riedfrosch, der in der Republik Elfenbeinküste endemisch und nach den Nimba-Bergen benannt ist. Der Frosch galt zwischen 1967 und seiner Wiederentdeckung 2010 als ausgestorben.[1]

Merkmale

Der Nimba-Berg-Riedfrosch ist einer der größeren Riedfrösche, die Männchen erreichen 30–37 mm, die Weibchen 34–38 mm. Die Art ändert ihre Zeichnung während der Entwicklung. Juvenile Tiere und viele voll entwickelte Männchen (Phase J) sind in der Regel bräunlich bis grün mit paarigen hellen dorsolateralen Linien oder einer sanduhrähnlichen Zeichnung. Vor ihrer ersten Brutsaison (Phase F) sind alle voll entwickelten Weibchen und einige Männchen gräulich mit schwarzen Punkten oder Flecken. Die Schenkel sind leuchtend rot.[2] Der Rücken ist gekörnt oder warzig. Sie besitzen ausgedehnte Schwimmhäute und horizontal liegende Pupillen.[3]

Verbreitung und Lebensraum

Das Habitat des Nimba-Berg Riedfroschs sind Sumpfränder und Lichtungen im Tiefland am Südostrand des Mont Richard-Molard (Mont Nimba). Möglicherweise gibt es auch Populationen in Guinea und Liberia.[4]

Lebensweise

Die Männchen rufen aus den Gräsern am Rande großer, vermutlich temporärer Sümpfe. Die Rufe sind eine schnelle Serie von Klicks mit klarem, kleinen Glocken ähnelndem Klang. Die Klicks erfolgen immer in Serien, einzelne Klicks kommen nicht vor. Die gut abgegrenzte, höchste Schallintensität eines Klicks liegt bei einer Frequenz von 2400 Hz und ist dem einzelnen Ruf von Hyperolius viridiflavus sehr ähnlich.[3]

Taxonomie

Nach Schiøtz, 1999, gehört der Nimba-Berg-Riedfrosch zur Hyperolius-tuberculatus-Gruppe innerhalb des Hyperolius-viridiflavus-Artenkomplexes. Manchmal wird er als Unterart von Hyperolius tuberculatus angesehen, auf der Basis der unterschiedlichen Rufe betrachtet Schiøtz ihn aber als eigene Art.[5]

Gefährdung und Schutz

Das Verbreitungsgebiet des Nimba-Berg-Riedfrosch umfasst weniger als 5.000 km²; er kommt an weniger als fünf Standorten vor und sein Lebensraum auf und am Mont Nimba ist in Ausbreitung und Qualität rückläufig. In seinen begrenzten Lebensräumen ist der Nimba-Berg-Riedfrosch zwar offenbar sehr häufig, die Bestände gehen jedoch zurück. Die Art der Gefährdung ist schwer zu bestimmen, da über seine Anpassungsfähigkeit nichts bekannt ist. Er könnte aber vom Ausbau der Landwirtschaft, von Abholzung und menschlichen Ansiedlungen betroffen sein. Auch wenn ein Teil der Nimba-Berge als Naturschutzgebiet ausgewiesen ist, ist der Nimba-Berg-Riedfrosch in keinem geschützten Bereich heimisch. Von der International Union for Conservation of Nature and Natural Resources (IUCN) wird die Art als stark gefährdet (Endangered, EN) eingestuft.[4]

Literatur

  • R. F. Laurent: La reserve naturelle integrale du Mont Nimba – Les rainettes du genre Hyperolius. Memoires de l'Institution Fondamental d'Afrique Noire, 1958, S. 275–299 (Erstbeschreibung)
  • R. F. Laurent: Nouveaux commentaires sur la superespece Hyperolius viridiflavus (Anura). Annales Musée Royal de l'Afrique Centrale, 1976, S. 73–114.
  • A. Schiøtz: The treefrogs (Rhacophoridae) of West Africa. Spolia Zoologica Musei Hauniensi, 1967, S. 1–346.
  • A. Schiøtz: The superspecies Hyperolius viridiflavus (Anura). Videnskabelige Meddelelser fra Dansk Naturhistorisk Forening, 1971, S. 21–76.
  • A. Schiøtz: Treefrogs of Africa. Edition Chimaira, Frankfurt am Main 1999

Einzelnachweise

  1. Richard Black: ‚Lost‘ frogs found after decades. BBC News, Science and Environment, vom 22. September 2010. Abgerufen am 11. Dezember 2013
  2. Mount Nimba reed frog (Hyperolius nimbae) bei Conservation International (Online)
  3. a b Hyperolius nimbae bei Amphibiaweb
  4. a b IUCN
  5. Darrel R. Frost: Hyperolius nimbae Laurent, 1958. In: Amphibian Species of the World 6.0. (Online)
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Nimba-Berg-Riedfrosch: Brief Summary ( German )

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Der Nimba-Berg-Riedfrosch (Hyperolius nimbae) ist ein Riedfrosch, der in der Republik Elfenbeinküste endemisch und nach den Nimba-Bergen benannt ist. Der Frosch galt zwischen 1967 und seiner Wiederentdeckung 2010 als ausgestorben.

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Hyperolius nimbae

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Hyperolius nimbae, the Mount Nimba reed frog, is a species of frog in the family Hyperoliidae. It is found in Ivory Coast, possibly Guinea, and possibly Liberia. Its natural habitats are subtropical or tropical moist lowland forests, swamps, and heavily degraded former forest. It is threatened by habitat loss.

In 2010, this species was observed for the first time since 1967.[2]

References

  1. ^ IUCN SSC Amphibian Specialist Group (2017). "Hyperolius nimbae". IUCN Red List of Threatened Species. 2017: e.T56170A16926587. doi:10.2305/IUCN.UK.2017-2.RLTS.T56170A16926587.en. Retrieved 14 November 2021.
  2. ^ Black, R. 2010. 'Lost' frogs found after decades. BBC News, September 22, 2010.
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Hyperolius nimbae: Brief Summary

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Hyperolius nimbae, the Mount Nimba reed frog, is a species of frog in the family Hyperoliidae. It is found in Ivory Coast, possibly Guinea, and possibly Liberia. Its natural habitats are subtropical or tropical moist lowland forests, swamps, and heavily degraded former forest. It is threatened by habitat loss.

In 2010, this species was observed for the first time since 1967.

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Hyperolius nimbae ( Spanish; Castilian )

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Hyperolius nimbae es una especie de anfibios de la familia Hyperoliidae. Habita en Costa de Marfil, posiblemente Guinea y posiblemente Liberia. Su hábitat natural incluye bosques tropicales o subtropicales secos y a baja altitud, pantanos y zonas previamente boscosas ahora degradadas. Está amenazada de extinción por la pérdida de su hábitat natural.

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Hyperolius nimbae: Brief Summary ( Spanish; Castilian )

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Hyperolius nimbae es una especie de anfibios de la familia Hyperoliidae. Habita en Costa de Marfil, posiblemente Guinea y posiblemente Liberia. Su hábitat natural incluye bosques tropicales o subtropicales secos y a baja altitud, pantanos y zonas previamente boscosas ahora degradadas. Está amenazada de extinción por la pérdida de su hábitat natural.

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Hyperolius nimbae ( Basque )

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Hyperolius nimbae Hyperolius generoko animalia da. Anfibioen barruko Hyperoliidae familian sailkatuta dago, Anura ordenan.

Erreferentziak

Ikus, gainera

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Hyperolius nimbae: Brief Summary ( Basque )

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Hyperolius nimbae Hyperolius generoko animalia da. Anfibioen barruko Hyperoliidae familian sailkatuta dago, Anura ordenan.

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Hyperolius nimbae ( French )

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Hyperolius nimbae est une espèce d'amphibiens de la famille des Hyperoliidae[1].

Répartition

Cette espèce est endémique de Côte d'Ivoire. Elle se rencontre dans les plaines au pied sud-est du mont Nimba. Elle pourrait être présente en Guinée et au Liberia[1],[2].

Étymologie

Son nom d'espèce lui a été donné en référence à son lieu de découverte, le mont Nimba.

Publication originale

  • Laurent, 1958 : La réserve naturelle intégrale du mont Nimba. XIII. Les rainettes du genre Hyperolius. Mémoires de l'Institut Français d'Afrique Noire, Dakar, vol. 53, p. 275-299.

Notes et références

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Hyperolius nimbae: Brief Summary ( French )

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Hyperolius nimbae est une espèce d'amphibiens de la famille des Hyperoliidae.

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Hyperolius nimbae ( Dutch; Flemish )

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Herpetologie

Hyperolius nimbae is een kikker uit de familie van de rietkikkers (Hyperoliidae).[2] De soort werd voor het eerst wetenschappelijk beschreven door Raymond Ferdinand Laurent in 1958. Oorspronkelijk werd de wetenschappelijke naam Hyperolius viridiflavus nimbae gebruikt.

De soort komt voor in delen van Afrika en leeft endemisch in het westelijk gelegen Ivoorkust.[3] Mogelijk komt de soort daarnaast ook voor in delen van de aangrenzende landen Guinee en Liberia.

Hyperolius nimbae bereikt een lichaamslengte van ongeveer 30 tot 38 millimeter. De mannetjes blijven gemiddeld kleiner dan de vrouwtjes. De huid is grijsbruin van kleur, de huid heeft verder een zeer korrelige structuur.

De habitat van deze kikker zijn open plekken in bos in het laagland, waar het roept aan randen van broeken. Bij voorkeur vindt voortplanting ook in een broek plaats. In 2010 werd na 43 jaar weer een waarneming van een exemplaar van deze soort gedaan.[4]

Referenties
  1. (en) Hyperolius nimbae op de IUCN Red List of Threatened Species.
  2. Darrel R. Frost - Amphibian Species of the World: an online reference - Version 6.0 - American Museum of Natural History, Hyperolius nimbae.
  3. University of California - AmphibiaWeb, Hyperolius nimbae.
  4. Uitgestorven amfibieën weer opgespoord, NU.nl, 22 september 2010.
Bronnen
  • (en) - Darrel R. Frost - Amphibian Species of the World: an online reference - Version 6.0 - American Museum of Natural History - Hyperolius nimbae - Website Geconsulteerd 7 januari 2017
  • (en) - University of California - AmphibiaWeb - Hyperolius nimbae - Website
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Hyperolius nimbae ( Portuguese )

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Hyperolius nimbae é uma espécie de rã da família Hyperoliidae. A espécie é endémica da Costa do Marfim, sendo a sua presença incerta na Guiné e na Libéria. Após a sua descrição em 1958 foi vista apenas durante alguns anos, até 1967, não sendo mais avistada até 2010, por uma equipa de cientistas financiados pela Conservação Internacional.[2]

Referências

  1. Arne Schiøtz, Mark-Oliver Rödel (2004). Hyperolius nimbae (em inglês). IUCN 2010. Lista Vermelha de Espécies Ameaçadas da IUCN de 2010 .
  2. «Anfíbios: ninguém os via há décadas e agora expedição internacional encontrou-os». Consultado em 28 de setembro de 2010
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Hyperolius nimbae: Brief Summary ( Portuguese )

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Hyperolius nimbae é uma espécie de rã da família Hyperoliidae. A espécie é endémica da Costa do Marfim, sendo a sua presença incerta na Guiné e na Libéria. Após a sua descrição em 1958 foi vista apenas durante alguns anos, até 1967, não sendo mais avistada até 2010, por uma equipa de cientistas financiados pela Conservação Internacional.

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Hyperolius nimbae ( Vietnamese )

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Hyperolius nimbae (tên tiếng Anh: Mount Nimba reed frog) là một loài ếch thuộc họ Hyperoliidae. Loài này có ở Bờ Biển Ngà, có thể cả Guinea, và có thể cả Liberia. Môi trường sống tự nhiên của chúng là rừng ẩm vùng đất thấp nhiệt đới hoặc cận nhiệt đới, đầm nước, và rừng trước đây suy thoái nghiêm trọng. Chúng hiện đang bị đe dọa vì mất môi trường sống. Năm 2010, loài này được thấy lần đầu kể từ năm 1967.[1]

Chú thích

  1. ^ Black, R. 2010. 'Lost' frogs found after decades. BBC News, tháng 9 22, 2010.

Tham khảo


Hình tượng sơ khai Bài viết Hyperoliidae này vẫn còn sơ khai. Bạn có thể giúp Wikipedia bằng cách mở rộng nội dung để bài được hoàn chỉnh hơn.


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Hyperolius nimbae: Brief Summary ( Vietnamese )

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Hyperolius nimbae (tên tiếng Anh: Mount Nimba reed frog) là một loài ếch thuộc họ Hyperoliidae. Loài này có ở Bờ Biển Ngà, có thể cả Guinea, và có thể cả Liberia. Môi trường sống tự nhiên của chúng là rừng ẩm vùng đất thấp nhiệt đới hoặc cận nhiệt đới, đầm nước, và rừng trước đây suy thoái nghiêm trọng. Chúng hiện đang bị đe dọa vì mất môi trường sống. Năm 2010, loài này được thấy lần đầu kể từ năm 1967.

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寧巴山葦蛙 ( Chinese )

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二名法 Hyperolius nimbae
(Laurent, 1958)

寧巴山非洲樹蛙學名Hyperolius nimbae),又稱寧巴山葦蛙,是一種青蛙,屬非洲樹蛙科非洲樹蛙屬。生活在象牙海岸的低地森林和沼澤中。也可能生活在幾內亞利比里亞

於1967年以後人們以為它已絕種,但在2010年再次被發現。[1]

参考文献

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寧巴山葦蛙: Brief Summary ( Chinese )

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寧巴山非洲樹蛙(學名:Hyperolius nimbae),又稱寧巴山葦蛙,是一種青蛙,屬非洲樹蛙科非洲樹蛙屬。生活在象牙海岸的低地森林和沼澤中。也可能生活在幾內亞利比里亞

於1967年以後人們以為它已絕種,但在2010年再次被發現。

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维基百科作者和编辑