The red tree frog (''Leptopelis rufus'') 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

Arthroleptidae The Arthroleptidae are a family of frogs found in sub-Saharan Africa. This group includes African treefrogs in the genus ''Leptopelis'' along with the terrestrial breeding squeakers '' Arthroleptis'', and several genera restricted to the Guinea ...

. It is found in southeasternmost

Nigeria Nigeria ( ), , ig, Naìjíríyà, yo, Nàìjíríà, pcm, Naijá , ff, Naajeeriya, kcg, Naijeriya officially the Federal Republic of Nigeria, is a country in West Africa. It is situated between the Sahel to the north and the Gulf o ...

, western

Cameroon Cameroon (; french: Cameroun, ff, Kamerun), officially the Republic of Cameroon (french: République du Cameroun, links=no), is a country in west-central Africa. It is bordered by Nigeria to the west and north; Chad to the northeast; the C ...

Equatorial Guinea Equatorial Guinea ( es, Guinea Ecuatorial; french: Guinée équatoriale; pt, Guiné Equatorial), officially the Republic of Equatorial Guinea ( es, link=no, República de Guinea Ecuatorial, french: link=no, République de Guinée équatoria ...

, western

Gabon Gabon (; ; snq, Ngabu), officially the Gabonese Republic (french: République gabonaise), is a country on the west coast of Central Africa. Located on the equator, it is bordered by Equatorial Guinea to the northwest, Cameroon to the north ...

, the lower

Republic of the Congo The Republic of the Congo (french: République du Congo, ln, Republíki ya Kongó), also known as Congo-Brazzaville, the Congo Republic or simply either Congo or the Congo, is a country located in the western coast of Central Africa to the w ...

, the lower

Democratic Republic of the Congo The Democratic Republic of the Congo (french: République démocratique du Congo (RDC), colloquially "La RDC" ), informally Congo-Kinshasa, DR Congo, the DRC, the DROC, or the Congo, and formerly and also colloquially Zaire, is a country in ...

, and northwestern

Angola , national_anthem = " Angola Avante"() , image_map = , map_caption = , capital = Luanda , religion = , religion_year = 2020 , religion_ref = , coordina ...

. It has been confused with several other species, in particular with the palm forest tree frog ''

Leptopelis palmatus The palm forest tree frog (''Leptopelis palmatus'') is a species of frog in the family Arthroleptidae which is endemic to Príncipe island in São Tomé and Príncipe. Red tree frog '' Leptopelis rufus'' from the African mainland was for a long t ...

''.

Description

Adult males measure and females in snout–vent length. The dorsum is brown with darker irregular transverse bars. The

tibia The tibia (; ), also known as the shinbone or shankbone, is the larger, stronger, and anterior (frontal) of the two bones in the leg below the knee in vertebrates (the other being the fibula, behind and to the outside of the tibia); it connects ...

have 3–4 bars. The feet are fully webbed. The

iris Iris most often refers to: *Iris (anatomy), part of the eye *Iris (mythology), a Greek goddess * ''Iris'' (plant), a genus of flowering plants *Iris (color), an ambiguous color term Iris or IRIS may also refer to: Arts and media Fictional enti ...

is golden. The tympanum is a rather small, a characteristic that separates it from similar species like ''Leptopelis palmatus'' and ''

Leptopelis macrotis ''Leptopelis macrotis'', sometimes called the big-eyed forest tree frog, is a species of frog in the family Arthroleptidae. It is found in the rainforests of Sierra Leone, southern Guinea, Liberia, Ivory Coast, and southern Ghana. Notice that sim ...

''. The male advertisement call is a series (about ten) long "yiin" cries. A male approaching a female may emit a different, quiet call, sounding like the

meow A meow or miaow is a cat vocalization. ''Meows'' may have diverse tones and are sometimes chattered, murmured or whispered. Adult cats rarely meow to each other, so an adult cat meowing to human beings is probably a post-domestication extens ...

of a young cat.

Habitat and conservation

This

arboreal Arboreal locomotion is the Animal locomotion, locomotion of animals in trees. In habitats in which trees are present, animals have evolved to move in them. Some animals may scale trees only occasionally, but others are exclusively arboreal. Th ...

species' inhabits humid lowland rainforests. It also occurs in secondary forests. The males call from branches in the forest or from Raphia palms, typically above small streams. A pair in copula was found in the low vegetation near a small stream. Presumably, the eggs are laid in nests on land close to the water. ''Leptopelis rufus'' is a reasonably common species, but it is affected 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 ...

caused by expanding human settlements and agriculture as well as harvesting of wood. It occurs in a number of protected areas, including the

Korup National Park Korup National Park is in the Southwest Province of Cameroon and extends over 1,260 km2 of mostly undisturbed primary forest. It is reputedly one of Africa’s oldest and richest tropical forests in terms of floral and faunal diversity. It is ...

(Cameroon) and

Monte Alén National Park Monte Alén National Park ( es, Parque nacional de Monte Alén) is located near the center of Equatorial Guinea. It was established in 1990. With an area of , it is the country's largest national park. The goliath frog ''(Conraua goliath)'', on ...

(Equatorial Guinea).

References

{{Taxonbar, from=Q2209406

rufus Rufus is a masculine given name, a surname, an Ancient Roman cognomen and a nickname (from Latin ''rufus'', "red"). Notable people with the name include: Given name Politicians * Rufus Ada George (born 1940), Nigerian politician * Rufus Al ...

Frogs of Africa Amphibians of West Africa Amphibians of Angola Amphibians of Cameroon Amphibians of the Democratic Republic of the Congo Amphibians of Equatorial Guinea Amphibians of Gabon Fauna of Nigeria Amphibians of the Republic of the Congo Amphibians described in 1874 Taxa named by Anton Reichenow Taxonomy articles created by Polbot