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Distribution of pottos (genus Perodicticus)

Perodicticus potto potto
Perodicticus potto edwardsi
Perodicticus potto ibeanus
Pseudopotto martini

 

Type localities underlined

Based on Bartholomew 1979; Diercke Weltatlas 1957, Christopher 1984 and Gwangogwe et al. 1985 (geographic and historical information); distribution maps by Fiedler 1956; Jenkins 1987; Kingdon 1971;
Osman Hill 1953; Rowe 1996; Sanderson 1940 and data from authors mentioned in the list below.

Potto forms: list of origin of described animals / specimens

General distribution

Tropical forest belt of west, central and east Africa; the northern border of rainforest is apparently the northern limit of distribution. From Sierra Leone across the forest zone to the Mau Forest, western Kenya. In east Africa in almost all moist forest areas of Uganda and west Kenya and in the lower montane forests of Elgon and Ruwenzori (Kingdon, 1971; Jenkins, 1987). According to Sanderson (1940), in the assumed distribution area of P. p. potto there is a gap in the forest cover extending to the shore which causes an almost complete rainforest faunal break (see also enclosed map of rain forest cover and faunal barriers). Between this break and the distribution area of P. p. edwardsi forms in some regard intermediate between P. p. potto and P. p. edwardsi have been found (Osman Hill 1953; Jenkins 1987). P. p. juju has been regarded as distinct or as such an intermediate form (Jenkins 1987).
 

P. p. potto: Distribution:

From Guinea in the west to Nigeria, probably east up to the Niger River (Jenkins, 1987). Zone of intergradation between P. p. potto and P. p. edwardsi from Niger River into Ghana? (Jenkins, 1987)

No. Origin Altitude Date (Source)
Type locality: unknown     (Jenkins, 1987)
Sierra Leone:
1 Jama, Kowa Chiefdom, 080 N 110 W   1949 (Jenkins, 1987)
2 Makali, Kunike, Barina Chiefdom, 080 N 120 W   1947 (Jenkins, 1987)
3 Njala
Holotype of Perodicticus geoffroyi, other specimens
  Prior to 1831; 
prior to 1937; 1947; ?
(Jenkins, 1987)
Ghana:
4 Kwam Bi Krom (Kwambikrom), 
060 38I N 030 07I W
  1969 (Jenkins, 1987)
5 Bibianaha, Gold Coast, 
060 30I N 020 08I W
  1910, 1911, 1951 (Jenkins, 1987)
6 Kumasi, Gold Coast, 
(? 070 04I N 010 37I W)
  Prior to 1925 (Jenkins, 1987)
No. Origin Altitude Date (Source)
7 Axim, Ashanti, Gold Coast, 
040 52I N 020 14I W
  Prior to 1871 (Jenkins, 1987)
8 Dunkwa, Gold Coast, 
050 59I N 010 47I W
  Prior to 1913 (Jenkins, 1987)
9a Ejura, Ashanti, Gold Coast, 
070 23I N 010 22I W
  1935 (Jenkins, 1987)
9b Mampong, Ashanti, Gold Coast, 
(? 070 04I N 010 24I W)
360 m 1935, several specimens (Jenkins, 1987)
10 Oda, Gold Coast, 
(? 050 55I N 000 59I W)
120 m 1946, several specimens (Jenkins, 1987)
Not found on maps:
  Trans-Bia, Gold Coast 30 m 1970, several specimens (Jenkins, 1987)
  Gold Coast, no exact locality noted, captive, Zoological Society London   1970, several specimens (Jenkins, 1987)
Nigeria:
11a Lagos, 060 27I N 030 23I
Listed as P. p. juju
  1926 (Jenkins, 1987)
11b Iju Waterworks, near Lagos, 
060 N 030 E
  Prior to 1920 (Jenkins, 1987)
12 Warri Province, 050 N 050 E   1944 (Jenkins, 1987)
13 Nikrowa Forest Reserve, N. Benin, 
060 14I N 050 21I E
  1948 (Jenkins, 1987)
Not found on maps:
  Ilotsi, Iloro Forest Reserve 120 m Prior to 1946 (Jenkins, 1987)
  Southern Nigeria
Holotype of P. p. juju
  Prior to 1902 (Jenkins, 1987)

 
P. p. edwardsi: Distribution:

From Nigeria east of the Niger River into the extreme east of southern Zaire (Jenkins, 1987). Zone of intergradation between P. p. potto and P. p. edwardsi from Niger River into Ghana? (Jenkins, 1987)

No. Origin Altitude Date (Source)
Type locality: North bank of the Congo / Zaïre River (Jenkins, 1987)
Gabon:
52 Ogoué-Ivindo region of Gabon, West Africa, included in the Congolese rain forest block; study area of Charles-Dominique (main study site on Ipassa plateau near Makakou)   Prior to 1977 (Charles-Dominique 1977)
Nigeria:
14a Owerri, 050 30I N 070 01I E
Listed as P. p. juju
  1949 (Jenkins, 1987)
15a M´kpani (N´kpani), Obubra Division, 050 49I N 080 09I E, 
listed as P. p. juju
240 m 1933 (Jenkins, 1987)
15b Ikom, Eastern Province, 
050 58I N 080 42I E, 
listed as P. p. juju
  Prior to 1910 (Jenkins, 1987)
Not located on map:
14b? Abo, lower Niger, Distr. Owerri      (Schwarz, 1931)
  Eastern Province   Prior to 1911 (Jenkins, 1987)
  Eastern Province, 
listed as P. p. juju
  1949 (Jenkins, 1987)
Cameroon:
16a Bashauo (Basho), 
060 08I N 090 26I E
230 m Prior to 1948 (Jenkins, 1987)
16b Bambui, near Bamenda, 
060 03I N 10014I E
3500 ft 1967 (Jenkins, 1987)
16c Mamfe, Mamfe Division, 
050 46I N 090 17I E
120 m 1932 (several specimens) (Jenkins, 1987)
16d Kassam (= Keshan), Mamfe, Mamfe Division, 050 53I N 090 17I E 100 m 1933 (Jenkins, 1987)
16e? Mamfe - Eshobi, Mamfe Division, 
050 N 090 E
120-150 m 1932 (Jenkins, 1987)
No. Origin Altitude Date (Source)
17 Bambulua, Manenguba Mts. Distr., S. Cameroons     (Schwarz, 1931)
18a Ober Canga Ham, Babua Yabassi, 
040 28I N 090 58I E
  1914 (Jenkins, 1987)
18b Edea, 030 48I N 100 08I E   1932 (Jenkins, 1987)
18c Victoria, Distr. S. Cameroons     (Schwarz, 1931)
18d? Mundame, upper Mungo River, S. Cameroons     (Schwarz, 1931)
19 Yaunde     (Schwarz, 1931)
20a Bipindi, east of Longji, Distr. Kribi     (Schwarz, 1931)
20b Ajos Hill near Kribe (= Kribi?)     (Schwarz, 1931)
21 Alen, near N.E. Border of Rio Muni     (Schwarz, 1931)
22a Sangmelima, Distr. Ebolowa     (Schwarz, 1931)
22b Mouth of Lobo River, upper Dscha River, Distr. Ebolowa     (Schwarz, 1931)
22c Bitye, River Ja (Dja), 
030 01I N 120 22I E
610 m 1906, 1909, 1914 (Jenkins, 1987)
22d? 030 N 130 E   1935 (Jenkins, 1987)
23a Lomie District (N´Jem Tribe), 
030 15I N 130 30I E
  1936 (Jenkins, 1987)
23b Near Beba (= Biba Is.), Lomie District, 030 01I N 130 41I E   1932 (Jenkins, 1987)
24 Between Batouri and Lomie, Batouri District, 030 45I N 130 45I E   1935 (Jenkins, 1987)
25a Lelo, Batouri District, 
040 20I N 140 07I E
  1932 (Jenkins, 1987)
25b Beri, Batouri District (Kaka tribe), 
040 25I N 140 20I E
  1932 (Jenkins, 1987)
25c S.W. of Batouri (Gadgi Kaka Tribe) 1070 m 1935 (Jenkins, 1987)
25d Lumbindou Village, Yambasa, (Kaka Tribe), Batouri
(? = Yamsamba village, Lumbindon = the chief?)
  1932 (Jenkins, 1987)
Not found on the map:
  Bamatchem, Distr., Bamun, French Cameroons     (Schwarz, 1931)
Equatorial Guinea / Rio Muni:
26a Benito River, 15 miles from mouth, Rio Muni, 010 36I N 090 37I E:  ca. sea level 1898 (Jenkins, 1987)
  Holotype, paratype of Perodicticus batesi Winton 1902, third specimen
26b Rio Muni (no locality)     (Schwarz, 1931)
Central African Republic:
27 Buar (Bouar), east of Nana, upper Sanga (Sangha) River, Distr. Uam Pende     (Schwarz, 1931)
28 Carnot, upper Sanga (Sangha) River, Distr. Manbere-Lobaye     (Schwarz, 1931)
Congo, former Middle Congo:
29 Etumbi (Etoumbi), 
000 01I N 140 57I E
  1927 (Jenkins, 1987)
30 Mfôa (Mfoua), Como River, 80 miles east of Gaboon,
020 19I S 140 36I E
  1896 (Jenkins, 1987)
No. Origin Altitude Date (Source)
Zaïre, former Belgian Congo:
31 Kiniati, Majumbe (Mayumbe), 050 20I S 120 56I E, 
listed as P. p. faustus
  Prior to 1912 (Jenkins, 1987)
32 Irneti, Bompona, River Maringa, 000 N 19-210 E, 
holotype of P. p. faustus
370 m
 

 

1910 (Jenkins, 1987)

 

No information about subspecies, but within P. p. edwardsi distribution area:

distribution
No. Origin Altitude Date (Source)
Nigeria:
53 Mamu, south-eastern Nigeria (one animals shot)   1963-1967 (Jewell, Oates 1969 a)
54 Nsukka, south-eastern Nigeria. Several animals collected   1963-1967 (Jewell, Oates 1969 a)
 

 
P. p. ibeanus: Distribution:

Highland subspecies (Osman Hill, 1953). West and south of the Oubangi River and north of the Zaïre River, Zaïre; Uganda; east to the Mau Forest in Kenya (Jenkins, 1987)

No. Origin Altitude Date (Source)
Type locality: Kakamega forest, near Mount Elgon, British East Africa / Kenya
  000 16I N 340 53I E 1830 m 1910 (Jenkins, 1987)
Zaïre, former Belgian Congo:
33 Umangi, near Lisala, north bank of Congo, Distr. Bangala, Belgian Congo     (Schwarz, 1931)
34 Buta, Rubi River, Distr. Bas Uélé, Belgian Congo     (Schwarz, 1931)
35a Poko, Welle (Uelle) Basin, upper Congo, 030 09IN 260 53I E, 
listed as P. faustus
  1914 (Jenkins, 1987)
35b Poko, Poko River, Distr. Haut Uélé, Belgian Congo     (Schwarz, 1931)
36 Muanza, east of Niangara, Distr. Haut Uélé, Belgian Congo     (Schwar)z, 1931)
37a Panga, 010 52I N 260 23I E, 
listed as P. faustus
  Prior to 1912 (Jenkins, 1987
37b Ituri River, 40 miles S.W. of Irumu, 010 40I N 270 01I E, 
listed as P. arrhenii
  Prior to 1930 (Jenkins, 1987)
38 Panga, Aruwimi River, Distr. Stanleyville, Belgian Congo     (Schwarz, 1931)
39 Bafwaboli, Tshopo River, Distr. Stanleyville, Belgian Congo     (Schwarz, 1931)
40 Stanleyville (Kisangani), Belgian Congo     (Schwarz, 1931)
41 Djugu, south of Mahagi, Lake Albert, Distr. Ituri, Belgian Congo     (Schwarz, 1931)
42a Ituri Forest, 000 50I N 290 E, 
listed as P. faustus
  Prior to 1922 (Jenkins, 1987)
42b Beni, Semliki River, Distr. Ituri, Belgian Congo     (Schwarz, 1931)
43 Masisi, west of Lake Kivu, Distr. Kivu, Belgian Congo     (Schwarz, 1931)
44 Baraka, west of Lake Tanganyika, 040 06I S 290 06I E, 
listed as P. faustus
  Prior to 1912 (Jenkins, 1987)
Not found on map:
  Near Ungu, River Welle (Uelle) (near 2?)   Prior to 1982 (Jenkins, 1987)
  Lulindi River, east of Kasongo, Distr. Manyema, Belgian Congo     (Schwarz, 1931)
  Zumlia, near Basoko, north bank of River Congo, Distr. Aruwimi, Belgian Congo     (Schwarz, 1931)
No. Origin Altitude Date (Source)
  Ituri River, Distr. Ituri, Belgian Congo     (Schwarz, 1931)
  Penge, Ituri River, Distr. Ituri, Belgian Congo     (Schwarz, 1931)
  Meje, Nawa River, Distr. Ituri, Belgian Congo     (Schwarz, 1931)
  Kunungu, near Bolobo, Distr. Bas Congo, 
listed as P. p. faustus
    (Schwarz, 1931)
Uganda:
  In almost all moist forest areas of Uganda   Prior to 1971 (Kingdon, 1971)
45 Bundonga Forest, Masindi, (Bunjoro), 010 45I N 310 36I E   ? (Jenkins, 1987)
46a Ntotoro, Bwamba, 
000 49I N 300 07I E
760 m 1949 (Jenkins, 1987)
46b In the lower montane forest of the Ruwenzori   Prior to 1971 (Kingdon, 1971)
47 Mabira Forest, Kyagwe, 
000 30I N 32055I E
1180 m 1935 (Jenkins, 1987)
48 Localities on published map without locality names     (Kingdon 1971)
Not found on map:
  Mpanga Forest, Buganda, 
? 000 40I N 300 17I E or 000 06I N 320 23I E
  1957/58 (Jenkins, 1987)
Kenya:
  In almost all moist forests of West Kenya   Prior to 1971 (Kingdon, 1971)
49 Kakamega Forest, British East Africa / Kenya, 000 16I N 340 53I E, 
type locality of P. p. ibeanus
  1917 (Jenkins, 1987)
49b? (= "Kakumega Forest, Uganda"?)     Schwarz, 1931)
50 In the lower montane forest of Mt. Elgon   Prior to 1971 (Kingdon, 1971)
48 Localities on published map without locality names     (Kingdon, 1971)
Not found on map:
  Mau Forest, West Kenya   Prior to 1971 (Kingdon, 1971)

 

Pseudopotto (genus proposed, might be a synonym for P. p. potto): list of origin of described specimens
 
 

General distribution

"Reportedly somewhere in Cameroon" (Groves 1997/98). Seen from time to time on Mt. Kupe, Cameroon (WWF-Cameroon Programm Office website)

No. Origin Altitude Date (Source)
Type locality: unknown. Type specimens from Zürich Zoo, duration of captivity not recorded (Sarmiento 1997/98). Trade origin: "Equatorial Africa", "The Cameroons" (Schwartz 1996)
51 Reported from Mt. Kupe, Cameroon   2000 (WWF-CPO website, 2000)
  (no information how animals were distinguished from Perodicticus)

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