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Distribution and Habitat

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Known from the eastern corner of the Kimberley region in Western Australia, east along the coast of the Northern Territory and into north-western Queensland in Cape York Peninsula.The extent of occurrence of the species is approximately 308300 km2
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Life History, Abundance, Activity, and Special Behaviors

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Associated with large expanses of water upon the flood plains and savannah woodlands of northern Australia. It commonly occurs around the edges of permanent water or areas where the water remains for several months during the wet season. During the day it may be seen basking on ground beside water. In the dry season it hides in cracks and crevices in the soil.Breeds during the summer wet season from February to March. Males have been observed calling whilst floating in water. Spawning and larvae have not been witnessed.
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Life History, Abundance, Activity, and Special Behaviors

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No known declines and extent of occurrence > 20,000km2.ThreatsNone known.Conservation MeasuresNone in place.
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Dahl's aquatic frog

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Dahl's aquatic frog (Ranoidea dahlii) is a species of frog in the subfamily Pelodryadinae, endemic to Australia. Its natural habitats are dry savanna, subtropical or tropical dry lowland grassland, freshwater lakes, intermittent freshwater lakes, freshwater marshes, and intermittent freshwater marshes.

Dahl's aquatic frog was once thought to be able to consume the eggs, tadpoles, and young of the invasive and venomous cane toad with no apparent ill effect, but this observation was based on a handful of captive survivals. Adults regurgitate the young toads, and avoid eating them in the future, or rarely swallow them; in this case, about half the adults die. These frogs do not appear to have an elevated resistance to bufotoxins compared to other Australian hylid frogs, and avoid these toads if they survive their first toad meal.

See also

Wikispecies has information related to Litoria dahlii.
Wikimedia Commons has media related to Ranoidea dahlii.

References

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Dahl's aquatic frog: Brief Summary

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Dahl's aquatic frog (Ranoidea dahlii) is a species of frog in the subfamily Pelodryadinae, endemic to Australia. Its natural habitats are dry savanna, subtropical or tropical dry lowland grassland, freshwater lakes, intermittent freshwater lakes, freshwater marshes, and intermittent freshwater marshes.

Dahl's aquatic frog was once thought to be able to consume the eggs, tadpoles, and young of the invasive and venomous cane toad with no apparent ill effect, but this observation was based on a handful of captive survivals. Adults regurgitate the young toads, and avoid eating them in the future, or rarely swallow them; in this case, about half the adults die. These frogs do not appear to have an elevated resistance to bufotoxins compared to other Australian hylid frogs, and avoid these toads if they survive their first toad meal.

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Litoria dahlii ( Spanish; Castilian )

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La rana acuática de Dahl (Litoria dahlii) es una especie de anfibio anuro de la familia Pelodryadidae.[2]

Es endémica del norte de Australia.[3]​ Su hábitat natural son las sabanas secas, subtropicales y tropicales de tierras bajas de pastizales secos, lagos de agua dulce, lagos de agua dulce intermitentes, pantanos de agua dulce, y los pantanos de agua dulce intermitentes.

Entre los rasgos más singulares de la rana acuática de Dahl es su capacidad de consumir huevos, larvas y pequeños sapos de caña invasoras y venenosas, sin efectos adversos aparentes por lo que es quizás, la única criatura de Australia natal con una inmunidad natural al veneno del sapo de caña. Aunque estas observaciones fueron hechas en cautiverio, los científicos no encuentran razón para no creer que dicho comportamiento sucede también en estado salvaje.[3]

Referencias

  1. Jean-Marc Hero, Dale Roberts, Paul Horner, Richard Retallick (2004). «Litoria dahlii». Lista Roja de especies amenazadas de la UICN 2015.4 (en inglés). ISSN 2307-8235. Consultado el 6 de enero de 2016.
  2. Frost, D.R. « Litoria dahlii ». Amphibian Species of the World: an Online Reference. Version 6.1. (en inglés). Nueva York, EEUU: Museo Americano de Historia Natural.
  3. a b «NT frog 'eats' cane toad. 15/12/2004. ABC News Online». Archivado desde el original el 30 de enero de 2005.
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Litoria dahlii: Brief Summary ( Spanish; Castilian )

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La rana acuática de Dahl (Litoria dahlii) es una especie de anfibio anuro de la familia Pelodryadidae.​

Es endémica del norte de Australia.​ Su hábitat natural son las sabanas secas, subtropicales y tropicales de tierras bajas de pastizales secos, lagos de agua dulce, lagos de agua dulce intermitentes, pantanos de agua dulce, y los pantanos de agua dulce intermitentes.

Entre los rasgos más singulares de la rana acuática de Dahl es su capacidad de consumir huevos, larvas y pequeños sapos de caña invasoras y venenosas, sin efectos adversos aparentes por lo que es quizás, la única criatura de Australia natal con una inmunidad natural al veneno del sapo de caña. Aunque estas observaciones fueron hechas en cautiverio, los científicos no encuentran razón para no creer que dicho comportamiento sucede también en estado salvaje.​

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Litoria dahlii ( Basque )

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Litoria dahlii Litoria generoko animalia da. Anfibioen barruko Hylidae familian sailkatuta dago, Anura ordenan.

Erreferentziak

Ikus, gainera

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Litoria dahlii: Brief Summary ( Basque )

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Litoria dahlii Litoria generoko animalia da. Anfibioen barruko Hylidae familian sailkatuta dago, Anura ordenan.

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Dryopsophus dahlii ( French )

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Dryopsophus dahlii est une espèce d'amphibiens de la famille des Pelodryadidae[1].

Répartition

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Distribution

Cette espèce est endémique du Nord de l'Australie[1]. Elle se rencontre dans l'extrême Est de la région du Kimberley en Australie Occidentale, dans le nord du Territoire du Nord et dans le sud-ouest de la péninsule du cap York au Queensland ce qui représente 308 300 km2[2].

Description

Les mâles mesurent de 49 à 63 mm et les femelles de 59 à 71 mm[3].

Étymologie

Cette espèce est nommée en l'honneur de Knut Dahl (1871–1953)[4].

Publication originale

  • Boulenger, 1896 "1895" : Descriptions of a new snake and a new frog from north Australia. Proceedings of the Zoological Society of London, vol. 1895, p. 867 (texte intégral).

Notes et références

  1. a et b Amphibian Species of the World, consulté lors d'une mise à jour du lien externe
  2. AmphibiaWeb. University of California, Berkeley, CA, USA, consulté lors d'une mise à jour du lien externe
  3. Tyler & Knight, 2011 : Field Guide to the Frogs of Australia: Revised Edition. Csiro Publishing, p. 1-188.
  4. Beolens, Watkins & Grayson, 2013 : The Eponym Dictionary of Amphibians. Pelagic Publishing Ltd, p. 1-262
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Dryopsophus dahlii: Brief Summary ( French )

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Dryopsophus dahlii est une espèce d'amphibiens de la famille des Pelodryadidae.

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Rã-arborícola-de-dahl ( Portuguese )

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A Rã-arborícola-de-dahl (Litoria dahlii) é uma espécie de anfíbio da família Hylidae.

É uma espécie endémica da Austrália.

Referências

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Rã-arborícola-de-dahl: Brief Summary ( Portuguese )

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A Rã-arborícola-de-dahl (Litoria dahlii) é uma espécie de anfíbio da família Hylidae.

É uma espécie endémica da Austrália.

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