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Plancia ëd Afrixalus dorsalis (Peters 1875)
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Afrixalus dorsalis (Peters 1875)

Description ( Anglèis )

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A medium-sized Afrixalus (males 25–28 mm, females 26–29 mm) from bushland localities in West Africa and the coastal regions of Cameroun to coastal Angola. Dorsum dark with a pattern in silverish white, normally consisting of a triangle on top of the snout continuing into a broad dorsolateral stripe to the groin. A light spot in the lumbar region, sometimes confluent with the dorsolateral stripes, and two light spots on tibia, or tibia uniformly light.Although normally constant in pattern, individuals in some populations can vary considerably, e.g. having a light middorsal stripe or even a uniform light dorsum.Two very similar subspecies are recognised. They are:A.d. dorsalis from Sierra Leone to southern Cameroun. Tibia with two light spots. A. d. regularis Laurent 1951 or A. d. leptosomus (Peters 1877) with a light upper side of tibia. Rio Muni to coastal Angola. It is disputed whether the name leptosomus is rather applicable to a member of the fulvovittatus group.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. Updated by A. Schiøtz, 2008.
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Arne Schiøtz

Distribution and Habitat ( Anglèis )

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Afrixalus dorsalis is widely distributed and common in bushland localities in the West African forest belt and in forest outliers in the humid savanna. The farthest west I have found it is in eastern Sierra Leone, while apparently suitable localities further west had populations of A. fulvovittatus instead. Towards the east it is recorded commonly from coastal Cameroun to coastal Angola.
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Arne Schiøtz

Life History, Abundance, Activity, and Special Behaviors ( Anglèis )

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The voice consists of an initial sound followed by a number of figures, about 12 per second with a frequency-intensity maximum at 3800–4100 cps. The eggs are white, surrounded by clear jelly. They are deposited in small clumps on leaves which are then folded and glued together. The tadpoles are streamlined with a terminal mouth and a tooth formula of 0/1.
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Arne Schiøtz

Brown banana frog ( Anglèis )

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The brown banana frog (Afrixalus dorsalis), also known as the striped spiny reed frog, is an anuran in the family Hyperoliidae.[2]

Description

These frogs have a light to dark brown with a silverish white pattern. These patterns can include a triangle on the tip of the snout, a big stripe leading to the groin, a light spot in the lumbar region, and/or 2 light spots on the tibia.

Distribution and habitat

It is found in Angola, Cameroon, Republic of the Congo, Democratic Republic of the Congo, Ivory Coast, Equatorial Guinea, Gabon, Ghana, Guinea, Liberia, Nigeria, Sierra Leone, and possibly Togo.

Its natural habitats are subtropical or tropical moist lowland forests, subtropical or tropical moist shrubland, subtropical or tropical seasonally wet or flooded lowland grassland, freshwater marshes, intermittent freshwater marshes, rural gardens, heavily degraded former forest, ponds, seasonally flooded agricultural land, and canals and ditches.

Conservation

All anurans of the region are under pressure from habitat destruction and the expanding human population; moreover, an extended period of warfare and instability in Angola has hindered regional conservation efforts. However, this species may be one of the few beneficiaries of widespread deforestation, since it thrives in grasslands and degraded former forests.

A high prevalence of Batrachochytrium, the fungus causing chytridiomycosis that has been associated with amphibian declines elsewhere, has been demonstrated in specimens collected from the Okomu National Park in Nigeria.[3]

Lifespan

This frog's lifespan is unknown.

References

  1. ^ IUCN SSC Amphibian Specialist Group (2013). "Afrixalus dorsalis". IUCN Red List of Threatened Species. 2013: e.T56060A18369144. doi:10.2305/IUCN.UK.2013-2.RLTS.T56060A18369144.en. Retrieved 16 November 2021.
  2. ^ Frost, Darrel R. (2016). "Afrixalus dorsalis (Peters, 1875)". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 6 August 2016.
  3. ^ Imasuen, AA; Aisen, MSO; Weldon, C; Dalton, DL; Kotze. A; Du Preez, LH (2011). "Occurrence of Batrachochytrium dendrobatidis in Amphibian Populations of Okomu National Park, Nigeria" (PDF). Herpetological Review. 42 (3): 379–382. Archived from the original (PDF) on 2016-10-06. Retrieved 2016-08-07.
  • C. Michael Hogan. 2013. Afrixalus dorsalis. African Amphibians Lifedesk. ed. B.Zimkus
  • World Wildlife Fund & C. M. Hogan. 2007. Angolan Miombo woodlands. Encyclopedia of Earth, National Council for Science and the Environment, Washington DC, ed. M.McGinley.
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Brown banana frog: Brief Summary ( Anglèis )

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The brown banana frog (Afrixalus dorsalis), also known as the striped spiny reed frog, is an anuran in the family Hyperoliidae.

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Wikipedia authors and editors
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visité la sorgiss
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wikipedia EN