''Stefania ayangannae'' (common name: Ayanganna stefania) is a species of
frog
A frog is any member of a diverse and largely Carnivore, carnivorous group of short-bodied, tailless amphibians composing the order (biology), order Anura (ανοὐρά, literally ''without tail'' in Ancient Greek). The oldest fossil "proto-f ...
in the family
Hemiphractidae
The Hemiphractidae are a family (biology), family of frogs from South America, South and Central America. Previously, this group had been classified as a subfamily (Hemiphractinae) under family Hylidae. More recent research classifies these gen ...
.
[ It is ]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 elsew ...
to Guyana
Guyana ( or ), officially the Cooperative Republic of Guyana, is a country on the northern mainland of South America. Guyana is an indigenous word which means "Land of Many Waters". The capital city is Georgetown. Guyana is bordered by the ...
where it is known from Mount Ayanganna
Mount Ayanganna is a sandstone tepui in the Pakaraima Mountains of western Guyana, and located east of Mount Roraima.
With a height of it is the easternmost tepui taller than . It is part of the Guiana Shield and Guyana Highlands.
Ecology
Th ...
(the type locality) and Mount Wokomung Mount Wokomung is a sandstone tepui in the Pakaraima Mountains of western Guyana, the summit is 1700 metres. Together with Mount Ayanganna, 37 km to the north,
Wokomung constitutes the easternmost tepui reaching above 1500 metres.
The slo ...
, both in the Pacaraima Mountains The Pacaraima or Pakaraima Mountains ( pt, Serra de Pacaraima, es, Sierra de Pacaraima) are a mountain range primarily in southwestern Guyana, and into northern Brazil and eastern Venezuela.
Geography
The range extends from west to east for over ...
.[
]
Description
''Stefania ayangannae'' are yellowish-brown or yellowish-red frogs with diagonal paravertebral dark brown marks, often joined to form chevrons in their dorsum. The head has a dark brown patch is present.
Clutch size is 4–9 eggs. Females carry the eggs on their back until they are fully developed and hatch as small froglets; the male and female cooperate to get the eggs on the female's back.
Habitat
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 ...
are high-elevation (>1200 m) forests. These frogs can be found at night on leaves or branches 1–5 m above ground.
References
{{Taxonbar, from=Q850549
ayangannae
Endemic fauna of Guyana
Amphibians of Guyana
Amphibians described in 2002
Taxa named by Amy Lathrop
Taxa named by Ross Douglas MacCulloch
Taxonomy articles created by Polbot