''Chiasmocleis cordeiroi'' 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

Microhylidae The Microhylidae, commonly known as narrow-mouthed frogs, are a geographically widespread family of frogs. The 683 species are in 63 genera and 11 subfamilies, which is the largest number of genera of any frog family. Evolution A molecular phylo ...

. 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 ...

Bahia Bahia ( , , ; meaning "bay") is one of the 26 Federative units of Brazil, states of Brazil, located in the Northeast Region, Brazil, Northeast Region of the country. It is the fourth-largest Brazilian state by population (after São Paulo (sta ...

in eastern

Brazil Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...

. It is known from

Camamu Camamu is a municipality in the state of Bahia, Brazil. Politically, it is in the Valença subregion of the Sul Baiano region. It is located on the southern coast of Bahia state, the Costa do Dendê (Palm Coast), along the BA-001 highway. The munic ...

, its type locality, and from few other localities on both sides of the

De Contas River The De Contas River (Portuguese: Rio de Contas) is a river of Bahia state in eastern Brazil. In Portuguese, it is sometimes erroneously called "''Rio das Contas''". It is the main river of the hydrographic basin named after him. Its source is in ...

. The specific name ''cordeiroi'' honors Paulo Henrique Chaves Cordeiro, a Brazilian biologist. Common name Cordeiro's humming frog has been coined for this species.

Description

The

type series In biology, a type is a particular specimen (or in some cases a group of specimens) of an organism to which the scientific name of that organism is formally attached. In other words, a type is an example that serves to anchor or centralizes the ...

consists of two adult males measuring in snout–vent length. The body is ovoid in shape. The snout is short. No tympanum is present. The fingers lack webbing. The hind limbs are robust and the toes have well-developed webbing. Preserved specimens are uniformly dark brown. The lower parts are cream-colored with fine, darker marbling. Males have a small sub

gular Gular is of or pertaining to the throat, and may more specifically refer to: * Gular scales in reptiles * Gular scute, or gular projection, in turtles and tortoises * Gular fold in lizards * Gular skin, or gular sac, in birds and some gibbons Ot ...

vocal sac The vocal sac is the flexible membrane of skin possessed by most male frogs and toads. The purpose of the vocal sac is usually as an amplification of their mating or advertisement call. The presence or development of the vocal sac is one way o ...

. The male advertisement call consists of multi-pulsed notes produced in series lasting 1.3–27 seconds. Each call has 9–182 notes with dominant frequency of 4500–4898 Hz.

Habitat and conservation

The type series was collected in a temporary pool at

above sea level Height above mean sea level is a measure of the vertical distance (height, elevation or altitude) of a location in reference to a historic mean sea level taken as a vertical datum. In geodesy, it is formalized as ''orthometric heights''. The comb ...

. The pool was located within tropical forest consisting of a mix of early secondary growth and good cover forest. Another population was found during breeding event in a temporary pond where hundreds of males were heard calling. The pond was located inside a rubber plantation next to an Atlantic Forest fragment. As of 2004, threats to this species were unknown. One population is found in the Michelin Ecological Reserve,

Igrapiúna Igrapiúna is a municipality in the state of Bahia in the North-East region of Brazil. The municipality contains 2.52% of the Baía de Camamu Environmental Protection Area, created in 2002. See also *List of municipalities in Bahia This is a l ...

References

{{Taxonbar, from=Q2241832 cordeiroi Endemic frogs of Brazil Amphibians described in 2003 Taxa named by Ulisses Caramaschi Taxonomy articles created by Polbot