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Description

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A large (Males 41-51 mm) savanna-living Kassina from Zambia and Angola. Dorsum dark with indistinct darker spots, or uniformly dark. Ventrum light, sometimes with indications of dark reticulation. Hidden parts of legs marbled in red and grey. Gular disc round rather than strap-like. Tips of toes and finger not dilated. Inner metatarsal tubercle large, equal to internarial distance.In northern Zambia, within the range of K. kuvangensis, the local populations of K. senegalensis are also large and spotted. It would be desirable to have field studies of the mechanisms which separate the two species. Morphological distinguishing characters seem to be that the width of the inner metatarsal tubercle is markedly greater than the width of the subarticular tubercle of the first toe in K. kuvangensis, and that it lacks a distinct outer metatarsal tubercle, while in K. senegalensis the inner metatarsal tubercle is smaller than the subarticular tubercle of the first toe, and there is a distinct outer metatarsal tubercle. K. kuvangensis and K. senegalensis have not been observed on the same locality.Voice. - The males call in great numbers from flat open grasslands covered with a few cm of water. The call is a very fast, somewhat irregular series of rather unmelodic quoicks. The single figures have a structure similar to that of other members of the genus.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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Known from northern and western Zambia and southern Angola.
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Life History, Abundance, Activity, and Special Behaviors

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Development. - Females lay up to 130 eggs in a sticky clump. They are greenish with a dark pole. The tadpole is large, up to 102 mm with a very high fin. Tooth formula 1/1+1,1. Tadpoles are bright yellow with darker mottling.
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Kassina kuvangensis

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Kassina kuvangensis is a species of frog in the family Hyperoliidae. It is found in south-central Angola and northern and western Zambia.[1][2][3][4] Its range probably extends into the southern Democratic Republic of the Congo.[1][2] It is also known as the Kuvangu running frog, Kuvango running frog, and Kuvangu kassina.[2]

Description

Adult males measure 41–51 mm (1.6–2.0 in) in snout–vent length. The dorsum is dark with indistinct darker spots, or uniformly dark. The ventrum is light, sometimes having indications of dark reticulation. The concealed parts of legs are marbled in red and grey. The gular disc is round rather than strap-like. The finger and the toe tips are not dilated.[3][4]

The males call in very large numbers from flooded grasslands.[1][3][4] The call is a very fast, somewhat irregular series of relatively unmelodic "quoicks". Females lay up to 130 eggs in a sticky clump. The tadpoles are bright yellow with darker mottling. They are large, measuring up to 102 mm (4.0 in) in length, including a very high fin.[3][4]

Habitat and conservation

Kassina kuvangensis is associated with dense swamps and flooded grasslands in wooded savanna. Breeding takes place in flooded grasslands, marshes, and slow-flowing streams in dense vegetation. It is a common species that is unlikely to face significant threats. It is likely to occur in several protected areas.[1]

References

  1. ^ a b c d e IUCN SSC Amphibian Specialist Group (2013). "Kassina kuvangensis". IUCN Red List of Threatened Species. 2013: e.T56229A18385207. doi:10.2305/IUCN.UK.2013-2.RLTS.T56229A18385207.en. Retrieved 16 November 2021.
  2. ^ a b c d Frost, Darrel R. (2019). "Kassina kuvangensis (Monard, 1937)". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 17 November 2019.
  3. ^ a b c d "Kassina kuvangensis". AmphibiaWeb. University of California, Berkeley. 2008. Retrieved 17 November 2019.
  4. ^ a b c d "Kassina kuvangensis (Monard, 1937)". African Amphibians. Retrieved 17 November 2019.
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Kassina kuvangensis: Brief Summary

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Kassina kuvangensis is a species of frog in the family Hyperoliidae. It is found in south-central Angola and northern and western Zambia. Its range probably extends into the southern Democratic Republic of the Congo. It is also known as the Kuvangu running frog, Kuvango running frog, and Kuvangu kassina.

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