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New Red List degree of threat assessments for Africa’s primates

By Yvonne A. de Jong & Thomas M. Butynski

The degree of threat status for each of Africa’s primate species and subspecies was assessed/reassessed in April 2016 in Rome during the IUCN/SSC Primate Specialist Group’s ‘African Primate Red List Assessment Workshop’. In December 2019, the first 122 of these assessments were published (www.iucnredlist.org).

Tom Butynski and/or Yvonne de Jong are authors on the following 47 assessments.

18 species:
Sanje River Mangabey Cercocebus sanjei (Endangered)
Red-tailed Monkey Cercopithecus ascanius (Least Concern)
Blue Monkey Cercopithecus mitis (Least Concern)
Crowned Monkey Cercopithecus pogonias (Near Threatened)
Bale Monkey Chlorocebus djamdjamensis (Vulnerable)
Vervet Monkey Chlorocebus pygerythrus (Least Concern)
Guereza Colobus guereza (Least Concern)
Udzungwa Red Colobus Piliocolobus gordonorum (Vulnerable)
Tana River Red Colobus Piliocolobus rufomitratus (Critically Endangered)
East African Potto Perodicticus ibeanus (Least Concern)
Southern Needle-clawed Galago Euoticus elegantulus (Least Concern)
Garnett’s Greater Galago Otolemur garnettii (Least Concern)
Somali Lesser Galago Galago gallarum (Least Concern)
Spectacled Lesser Galago Galago matschiei (Least Concern)
Southern Lesser Galago Galago moholi (Least Concern)
Northern Lesser Galago Galago senegalensis (Least Concern)
Kenya Coast Galago Paragalago cocos (Least Concern)
Mozambique Dwarf Galago Paragalago granti (Least Concern)

29 subspecies:
Black-cheeked Red-tailed Monkey Cercopithecus ascanius ssp. ascanius (Least Concern)
Black-nosed Red-tailed Monkey Cercopithecus ascanius ssp. atrinasus (Data Deficient)
Katanga Red-tailed Monkey Cercopithecus ascanius ssp. katangae (Least Concern)
Schmidt’s Red-tailed Monkey Cercopithecus ascanius ssp. schmidti (Least Concern)
Orange-nosed Red-tailed Monkey Cercopithecus ascanius ssp. whitesidei (Least Concern)
Zanzibar Sykes’s Monkey Cercopithecus mitis ssp. albogularis (Least Concern)
Tana River Sykes’s Monkey Cercopithecus mitis ssp. albotorquatus (Least Concern)
Doggett’s Blue Monkey Cercopithecus mitis ssp. doggetti (Least Concern)
Kolb’s White-collared Monkey Cercopithecus mitis ssp. kolbi (Least Concern)
Moloney’s Monkey Cercopithecus mitis ssp. moloneyi (Least Concern)
Tanzania Sykes’s Monkey Cercopithecus mitis ssp. monoides (Least Concern)
Stuhlmann’s Blue Monkey Cercopithecus mitis ssp. stuhlmanni (Least Concern)
Hilgert’s Vervet Monkey Chlorocebus pygerythrus ssp. hilgerti (Least Concern)
Pemba Vervet Monkey Chlorocebus pygerythrus ssp. nesiotes (Vulnerable)
Black-chinned Vervet Monkey Chlorocebus pygerythrus ssp. pygerythrus (Least Concern)
Reddish-Green Vervet Monkey Chlorocebus pygerythrus ssp. rufoviridis (Least Concern)
Mount Kenya Guereza Colobus guereza ssp. kikuyuensis (Least Concern)
Mau Forest Guereza Colobus guereza ssp. matschiei (Least Concern)
Eastern Potto Perodicticus ibeanus ssp. ibeanus (Least Concern)
Mount Kenya Potto Perodicticus ibeanus ssp. stockleyi (Critically Endangered)
Zanzibar Small-eared Galago Otolemur garnettii ssp. garnettii (Vulnerable)
Kikuyu Small-eared Galago Otolemur garnettii ssp. kikuyuensis (Least Concern)
White-tailed Small-eared Galago Otolemur garnettii ssp. lasiotis (Least Concern)
Pangani Small-eared Galago Otolemur garnettii ssp. panganiensis (Least Concern)
Kenya Lesser Galago Galago senegalensis ssp. braccatus (Least Concern)
Ethiopia Lesser Galago Galago senegalensis ssp. dunni (Least Concern)
Senegal Lesser Galago Galago senegalensis ssp. senegalensis (Least Concern)
Uganda Lesser Galago Galago senegalensis ssp. sotikae (Least Concern)
Bioko Dwarf Galago Galagoides demidoff ssp. poensis (Endangered)

All of the latest Red List degree of threat assessments for Africa’s primates are expected to be published before the end of 2020.

Adult Kolb’s monkey Cercopithecus mitis kolbi captured by a camera trap at the Timau River at the southern extreme of Lolldaiga Hills Ranch. Photograph obtained by the Lolldaiga Hills Research Programme in partnership with The Zoological Society of London.

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