Jonah Ratsimbazafy | |
|---|---|
 | |
| Nationality | Malagasy |
| Alma mater | Stony Brook University |
| Scientific career | |
| Fields | Primatology |
| Thesis | On the brink of extinction and the process of recovery: Responses of black and white ruffed lemurs (Varecia variegata variegata) to disturbance in Manombo Forest |
Jonah Ratsimbazafy is a Malagasy primatologist. In 2020, he was appointed President of the International Primatological Society.
Ratsimbazafy received his PhD from the State University of New York at Stony Brook in Physical Anthropology in 2002, and afterwards became Training and Conservation Coordinator for Durrell Wildlife Conservation Trust in Madagascar. [1] He has published over 170 papers and supervised over 65 students, including 20 PhD students. [2] His main field of study is lemur ecology and conservation. [3] [4]
Ratsimbazafy is Co-founder and President of the Madagascar Primate Study and Research Group (GERP), [5] Houston Zoo's Director of Madagascar Programs, [6] and Regional Vice-Chair of the IUCN SSC Primate Specialist Group for Madagascar. [7] He is also one of the advisors of the Lemur Conservation Network [8] and sits on the administrative board of SADABE, an NGO. [9] In 2020, Ratsimbazafy was elected President of the International Primatological Society for a four-year term. [10]
In 2015, Ratsimbazafy was awarded Disney's Conservation Hero Award. [11] In 2017, Ratsimbazafy was elected as a member of the African Academy of Sciences. [2] In 2023, he was the recipient of the Seacology Prize, which is awarded annually to individuals with significant achievements in preserving island ecosystems, species, or cultures. [12]
In 2020, a new species of mouse lemur, Microcebus jonahi , was named in honour to Jonah Ratsimbazafy. [13] [14]
The Cheirogaleidae are the family of strepsirrhine primates containing the various dwarf and mouse lemurs. Like all other lemurs, cheirogaleids live exclusively on the island of Madagascar.
The gray mouse lemur, grey mouse lemur or lesser mouse lemur is a small lemur, a type of strepsirrhine primate, found only on the island of Madagascar. Weighing 58 to 67 grams, it is the largest of the mouse lemurs, a group that includes the smallest primates in the world. The species is named for its mouse-like size and coloration and is known locally as tsidy, koitsiky, titilivaha, pondiky, and vakiandry. The gray mouse lemur and all other mouse lemurs are considered cryptic species, as they are nearly indistinguishable from each other by appearance. For this reason, the gray mouse lemur was considered the only mouse lemur species for decades until more recent studies began to distinguish between the species.
The pygmy mouse lemur, also known as Peters' mouse lemur or dormouse lemur, is a primate weighing only 43–55 g (1.5–1.9 oz); it is the second smallest of the mouse lemurs. Its dorsal side is a rufous-brown colour, and creamy-white ventrally. It lives in dry deciduous forests of western Madagascar. It has been captured in the Tsingy de Bemaraha Nature Reserve, the Andramasy forests north of Belo sur Tsiribihina, and the border of heavily degraded deciduous forest and savanna at Aboalimena. It has also been found in other habitats, in mangroves in two localities.
Goodman's mouse lemur is a species of mouse lemur from the region near Andasibe in eastern Madagascar. The species is named in honor of primatologist Steven M. Goodman. "Lehilahytsara" is a combination of the Malagasy words which mean "good" and "man". The finding was presented August 10, 2005, along with the discovery of the northern giant mouse lemur as a separate species.
Jolly's mouse lemur is a species of mouse lemur from Mananjary and Kianjavato in Madagascar. The species is named in honor of primatologist Alison Jolly.
Simmons' mouse lemur is a species of mouse lemur known only from Betampona Special Reserve, Analalava Special Community Reserve near Foulpointe, and Zahamena National Park in Madagascar.
The northern rufous mouse lemur, northern brown mouse lemur, or Tavaratra mouse lemur is found in northern Madagascar from the Ankarana Special Reserve in the west to the Manambato River in the northeast, and up to the Irodo River in the north of the Analamerana Special Reserve. The complete distribution range of M. tavaratra is still to be defined as some areas surrounding the described distribution have not been visited yet. For example, M. tavaratra has been reported to possibly occur from the Irodo up to the Montagne des Français. Its known distribution cover four protected areas – the Ankarana Special Reserve, and the Analamerana Special Reserve both managed by Madagascar National Parks, the Loky-Manambato protected area (Daraina), and the Andavakoeira-Andrafiamena protected area, both Managed by the NGO Fanamby
The reddish-gray mouse lemur also known as the gray-brown mouse lemur or rufous-gray mouse lemur, is a small, solitary-but-social, nocturnal and omnivorous primate from the Western Madagascar in the region around Beza Mahafaly Reserve, north to Lamboharana. Like the other lemur species, the reddish-grey mouse lemur is endemic to Madagascar. They generally live in the drier regions of the island. It is categorized as least concerned in the IUCN Red List.
Madame Berthe's mouse lemur or Berthe's mouse lemur is the smallest of the mouse lemurs and the smallest primate in the world; the average body length is 9.2 cm (3.6 in) and seasonal weight is around 30 g (1.1 oz). Microcebus berthae is one of many species of Malagasy lemurs that came about through extensive speciation, caused by unknown environmental mechanisms and conditions.
The mouse lemurs are nocturnal lemurs of the genus Microcebus. Like all lemurs, mouse lemurs are native to Madagascar.
Danfoss's mouse lemur, or the Ambarijeby mouse lemur, is a species of mouse lemur endemic to Madagascar. It lives in western deciduous forest within a limited range between the Sofia River and the Maevarano River. This species has been found in substantial populations in the Ambarijevy, Anjajavy, and Beanamaolo forests in Madagascar. Their lifespan is about 5 years but can live up to 10 years. They are part of the infraorder called lemuriformes which represents 20% of the entire primates diversity and over 60% of the mammalian genera of Madagascar.
The gray-headed lemur, or gray-headed brown lemur, is a medium-sized primate, a cathemeral species of lemur in the family Lemuridae. Until a taxonomic revision in 2008, it was known as the white-collared brown lemur or white-collared lemur. It lives in south-eastern Madagascar. In 2005, satellite imagery estimates showed approximately 700 km2 (270 sq mi) of total remaining habitat within its geographic range. It is highly threatened by hunting and habitat loss, and was considered to be among the 25 most endangered primates in 2006–2008. It is currently listed as Critically Endangered by the International Union for Conservation of Nature (IUCN) due to a highly restricted range, and has been named one of "The World's 25 Most Endangered Primates."
Gerp's mouse lemur is a species of mouse lemur known only from the Sahafina Forest in eastern Madagascar, near Mantadia National Park. Its discovery was announced in 2012 by a German and Malagasy research team. The Sahafina Forest had not been studied until 2008 and 2009, when Groupe d'Étude et de Recherche sur les Primates de Madagascar (GERP)—a Malagasy-based research and conservation group for which the lemur is named—inventoried the forest's lemurs.
The Marohita mouse lemur is a species of mouse lemur known only from the Marohita Forest in eastern Madagascar, near the village of Marolambo. Specimens were first collected in December 2003, and its discovery was announced in 2013 along with the Anosy mouse lemur. It is a large mouse lemur, weighing up to 89 g (3.1 oz), and lives within the same area as the Goodman's mouse lemur (M. lehilahytsara), Simmons' mouse lemur (M. simmonsi), and the brown mouse lemur (M. rufus), all four of which are nearly identical in appearance. Its fur is rufous on its back and grayish-beige on its underside. Nothing is known about its behavior. Its conservation status was evaluated as Endangered by the International Union for Conservation of Nature (IUCN) in 2012, before it was formally described, because its only known habitat had severely degraded between 2003 and 2012.
Berthe Rakotosamimanana was a primatologist and palaeontologist from Madagascar.
Microcebus jonahi, or Jonah's mouse lemur, is a tiny species of primate. It weighs 60 g (2.1 oz) and has a body length of around 13 cm (5.1 in) and its tail measures around 13 cm as well. It is the 25th recognized species of mouse lemur and the 108th recognized species of lemur.
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