''Probreviceps rhodesianus'' is a species of

frog A frog is any member of a diverse and largely carnivorous group of short-bodied, tailless amphibians composing the order Anura (ανοὐρά, literally ''without tail'' in Ancient Greek). The oldest fossil "proto-frog" '' Triadobatrachus'' is ...

in the family

Brevicipitidae Brevicipitidae or rain frogs is a small family of frogs found in eastern and southern Africa. As of 2020 contains 37 species in 5 genera. eb application 2013. Berkeley, CaliforniaBrevicipitidae AmphibiaWeb, available at http://amphibiaweb.org/. ...

. At present, it is only known from three localities in the

Eastern Highlands :''"Eastern Highlands" also refers to Eastern Highlands Province in Papua New Guinea, and part of the Great Dividing Range, Australia.'' The Eastern Highlands, also known as the Manica Highlands, is a mountain range on the border of Zimbab ...

Zimbabwe Zimbabwe (), officially the Republic of Zimbabwe, is a landlocked country located in Southeast Africa, between the Zambezi and Limpopo Rivers, bordered by South Africa to the south, Botswana to the south-west, Zambia to the north, and Mozam ...

north of

Mutare Mutare (formerly Umtali) is the most populous city in the province of Manicaland, and the third most populous city in Zimbabwe, having surpassed Gweru in the 2012 census, with an urban population of 224,802 and approximately 260,567 in the s ...

; it is thus

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found els ...

to that country. However, it is possible that its range extends to adjacent

Mozambique Mozambique (), officially the Republic of Mozambique ( pt, Moçambique or , ; ny, Mozambiki; sw, Msumbiji; ts, Muzambhiki), is a country located in southeastern Africa bordered by the Indian Ocean to the east, Tanzania to the north, Mala ...

. This species has many common names: forest rain frog, highland primitive rain frog, highland rain frog, and Zimbabwe big-fingered frog.

Description

Males grow to and females to in

snout–vent length Snout–vent length (SVL) is a morphometric measurement taken in herpetology from the tip of the snout to the most posterior opening of the cloacal slit (vent)."direct line distance from tip of snout to posterior margin of vent" It is the mos ...

. The tympanum is clearly visible. Skin is densely granular but has no ridges nor larger warts. Males have looser

gular skin Gular skin (throat skin), in ornithology, is an area of featherless skin on birds that joins the lower mandible of the beak (or ''bill'') to the bird's neck. Other vertebrate taxa may have a comparable anatomical structure that is referred to as ...

than females. The

cloaca In animal anatomy, a cloaca ( ), plural cloacae ( or ), is the posterior orifice that serves as the only opening for the digestive, reproductive, and urinary tracts (if present) of many vertebrate animals. All amphibians, reptiles and birds ...

l opening in both sexes has an unusual, ventrally deflected position and is surrounded by deep skin folds; the functional significance of this remains unknown.

Habitat and conservation

Its natural

habitat In ecology, the term habitat summarises the array of resources, physical and biotic factors that are present in an area, such as to support the survival and reproduction of a particular species. A species habitat can be seen as the physical ...

s are primary

montane forest Montane ecosystems are found on the slopes of mountains. The alpine climate in these regions strongly affects the ecosystem because temperatures fall as elevation increases, causing the ecosystem to stratify. This stratification is a crucia ...

s above . It is a terrestrial species that is usually found under rotten logs or under accumulations of leaf litter, formed, e.g., on the uphill side of logs. Eggs are laid terrestrially (in chamber in humus) and develop directly into froglets. This species is believed to be reasonably common, although its range is small and there are no recorded sightings since 1985. It is threatened by

habitat loss Habitat destruction (also termed habitat loss and habitat reduction) is the process by which a natural habitat becomes incapable of supporting its native species. The organisms that previously inhabited the site are displaced or dead, thereby ...

, logging, and trampling. It is present in the

Nyanga National Park Nyanga National Park lies in the north of Zimbabwe's Eastern Highlands. One of the first national parks to be declared in the country,Nyanga National Park. Undated pamphlet, Zimbabwe Parks and Wildlife Authority it contains the highest land in Zim ...

, but the aforementioned threats are present in the park too.

References

{{Taxonbar, from=Q2245343 rhodesianus Frogs of Africa Amphibians of Zimbabwe Endemic fauna of Zimbabwe Amphibians described in 1967 Taxa named by Donald George Broadley Taxonomy articles created by Polbot Fauna of the Eastern Highlands