Leptopelis calcaratus (Boulenger, 1906)

Class: Amphibia > Order: Anura > Family: Arthroleptidae > Subfamily: Leptopelinae > Genus: Leptopelis > Species: Leptopelis calcaratus

Hylambates calcaratus Boulenger, 1906, Ann. Mag. Nat. Hist., Ser. 7, 17: 322. Syntypes: BMNH, by original designation. By museum records these specimens are BMNH 1901.8.1.68 (reregistered 1947.2.10.15), 1901.6.26.27–30 (reregistered 1947.2.10.11–14), 1903.6.20.25–26 (reregisterd 1947.2.10.16–17), 1904.10.26.20 (reregistered 1947.2.10.18), 1901.6.26.27–30 and 1901.8.1.68 (reregistered 1947.2.10.11–15), and 1903.6.20.25–26 (reregistered 1947.2.10.16–17). Type locality: "Efulen", Cameroon, and "Cape St. John and the Rio Benito District (Spanish West Africa [= Equatorial Guinea]".

Leptopelis calcaratusNoble, 1924, Bull. Am. Mus. Nat. Hist., 49: 234, 237, 332.

Leptopelis (Leptopelis) calcaratusLaurent, 1941, Rev. Zool. Bot. Afr., 35: 94.

Leptopelis calcaratus calcaratusLaurent, 1973, Ann. Mus. R. Afr. Cent., Tervuren, Ser. Octavo, Sci. Zool., 202: 50.

Leptopelis calcaratus meridionalis Laurent, 1973, Ann. Mus. R. Afr. Cent., Tervuren, Ser. Octavo, Sci. Zool., 202: 50. Holotype: MRAC 115147, by original designation. Type locality: "Omaniundu, Terr. de Lodja, Sankuru, Zaïre".

English Names

Efulen Forest Treefrog (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 69).

Spurred Tree Frog (Channing and Rödel, 2019, Field Guide Frogs & Other Amph. Afr.: 216).


Dense forest from southeastern Nigeria through southern Cameroon to eastern Dem. Rep. Congo, and western Uganda, south through much of Gabon and northern Rep. Congo; Bioko; isolated record from Uigé Province of northwestern Angola.

Geographic Occurrence

Natural Resident: Angola, Cameroon, Central African Republic, Congo, Democratic Republic of the, Congo, Republic of the, Equatorial Guinea, Gabon, Nigeria, Uganda


De la Riva, 1994, Rev. Esp. Herpetol., 8: 130, provided a record for Equatorial Guinea. Lasso, Rial, Castroviejo, and De la Riva, 2002, Graellsia, 58: 21-34, provided notes on ecological distribution in Equatorial Guinea. Schiøtz, 1963, Vidensk. Medd. Dansk Naturhist. Foren., 125: 87, provided records for Nigeria. Frétey, Barriere, and Ohler, 2006, Herpetol. Rev., 37: 358, provided a record for the Central African Republic and delimited the range. Jackson and Blackburn, 2007, Salamandra, 43: 149-164, provided a record for Nouabale-Ndoki National Park, Rep. Congo. See account for Cameroon by Amiet, 2012, Rainettes Cameroun: 492-498. Channing, Rödel, and Channing, 2012, Tadpoles of Africa: 110, reported on comparative tadpole morphology.  Schiøtz, 1999, Treefrogs Afr.: 260–262, provided an account and map. Barej, Pfalzgraff, Hirschfeld, Liedtke, Penner, Gonwouo, Dahmen, Grözinger, Schmitz, and Rödel, 2015, Amph. Rept. Conserv., 9(2, Spec. Section): 56–84, reported on larval morphology. Jongsma, Tobi, Dixon-MacCallum, Bamba-Kaya, Yoga, Mbega, Mve Beh, Emrich, and Blackburn, 2017, Amph. Rept. Conserv., 11 (1: e144): 6, provided a record for southeastern Gabon and briefly discussed habitat and range. Dewynter and Frétey, 2019, Cah. Fondation Biotope, 27: 13, summarized the literature for Gabon. Channing and Rödel, 2019, Field Guide Frogs & Other Amph. Afr.: 216–217, provided a brief account, photograph, and range map. Mali, Banda, Chifundera, Badjedjea, Sebe, Lokasola, Ewango, Tungaluna, and Akaibe, 2019, Am. J. Zool., 2: 38–43, reported the species from the Okapi Wildlife Reserve, northeastern Dem. Rep. Congo. See brief account, range map, and photographs for Equatorial Guinea in Sánchez-Vialas, Calvo-Revuelta, Castroviejo-Fisher, and De la Riva, 2020, Proc. California Acad. Sci., Ser. 4, 66: 137–230, who suggested that the Bioko I. population might be a different species. Ernst, Lautenschläger, Branquima, and Hölting, 2020, Zoosyst. Evol., 96: 249, noted the species to occur in Uigé Province of northwestern Angola. Greenbaum, Hughes, and Behangana, 2021, Herpetol. Rev., 52: 342, provided a record from Buhoma, Bwindi Impenetrable National Park, Western Region, Uganda, 1523 m. Kako-Wanzalire, Mongo, Ilonga, Mapoli, Mbumba, Neema, Tungaluna, Itoka, and Bogaert, 2021, Tropicultura, 39 (1: 1709): 1–19, briefly discussed habitat preference in north-central Dem. Rep. Congo. Badjedjea, Masudi, Akaibe, and Gvoždík, 2022, Amph. Rept. Conserv., 16 (1: e301): 45, commented on a population from the Kokolopori Bonobo Nature Reserve, Tshuapa Province, Dem. Rep. Congo.

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