Overview

Comprehensive Description

Description

A medium to rather large Hyperolius (males 25-28 mm) from the Kenyan highlands with very variable pattern. Dorsum uniformly greyish brown to light brown, yellow or greenish. A dark brown canthal stripe continues behind the eye to shoulder or groin. Throat of males yellow to white, green in green-backed specimens. Ventrum whitish, feet whitish to yellowish. Pupil horizontal.

The known samples of this species show much variation in pattern, so much so that it is hard to believe they all belong to the same species. Richards and Schiøtz (1977) have been able to separate one cryptic species from the complex as H. cystocandicans.

This account was taken from "Treefrogs of Africa" by Arne Schiøtz with kind permission from Edition Chimaira publishers, Frankfurt am Main.

  • Schiøtz, A. (1999). Treefrogs of Africa. Edition Chimaira, Frankfurt am Main.
  • Richards, C. M. and Schiøtz, A. (1977). ''A new species of reed frog, Hyperolius cystocandicans from montane Kenya.'' Copeia, 1977(2), 295-294.
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Distribution

Distribution and Habitat

Found in montane grasslands and farmland in the highlands around Mt. Kenya; probably also in Mau Forest west of Rift Valley.

  • Schiøtz, A. (1999). Treefrogs of Africa. Edition Chimaira, Frankfurt am Main.
  • Richards, C. M. and Schiøtz, A. (1977). ''A new species of reed frog, Hyperolius cystocandicans from montane Kenya.'' Copeia, 1977(2), 295-294.
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Range Description

This species is endemic to the Kenya Highlands. It is known with certainty from several localities to the east of the Rift Valley. Specimens from the Mau Forest and other localities to the west of the Rift Valley are provisionally assigned to this species. It is a montane species occurring up to 3,100m asl, and probably as low as 1,800m asl.
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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
It is an adaptable species of montane grassland and farmland. It apparently breeds in marshes in savannah or very open farmed areas.

Systems
  • Terrestrial
  • Freshwater
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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
LC
Least Concern

Red List Criteria

Version
3.1

Year Assessed
2004

Assessor/s
Arne Schiøtz, Kim Howell, Stefan Lötters

Reviewer/s
Global Amphibian Assessment Coordinating Team (Simon Stuart, Janice Chanson and Neil Cox)

Justification
Listed as Least Concern because, although its Extent of Occurrence is probably less than 20,000 km2, it is tolerant of a wide variety of habitats and can withstand considerable habitat modification, it has a presumed large population, and it is unlikely to be declining fast enough to qualify for listing in a more threatened category.
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Life History, Abundance, Activity, and Special Behaviors

The call is a succession of screams. The single screams have a long duration (0.05-0.08 sec) and a well-defined frequency-intensity maximum at 2500-3000 cps.

  • Schiøtz, A. (1999). Treefrogs of Africa. Edition Chimaira, Frankfurt am Main.
  • Richards, C. M. and Schiøtz, A. (1977). ''A new species of reed frog, Hyperolius cystocandicans from montane Kenya.'' Copeia, 1977(2), 295-294.
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Population

Population
It is a common species.

Population Trend
Stable
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Threats

Major Threats
It is an adaptable species that is unlikely to be facing any significant threats.
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Management

Conservation Actions

Conservation Actions
It occurs in Mount Kenya and Aberdares National Parks.
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Wikipedia

Hyperolius montanus

Hyperolius montanus is a species of frog in the Hyperoliidae family. It is endemic to Kenya. Its natural habitats are subtropical or tropical high-altitude grassland, swamps, arable land, and pastureland.

References

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