Results 11 to 20 of about 6,697 (236)

Preliminary Assessment of The Population Structure and Habitat Characteristics of Javan Langur (Trachyphitecus auratus É. Geoffroy, 1812) in Natural Reserve Watangan Puger

Jurnal Ilmu Dasar, 2022
Javan langur (Trachypithecus auratus É. Geoffroy, 1812) is categorized by IUCN as a vulnerable primate species since 2008 and protected under 2018 LHK regulation.
Muhammad Asyrofi, Hari Sulistiyowati, Retno Wimbaningrum   +2 more
doaj   +2 more sources

Population dynamics and conservation status of the white-headed langur in the Chongzuo forest fragments, Guangxi, China

Oryx, 2023
We present the results of two population surveys conducted 10 years apart (December 2010–February 2011 and December 2020–January 2021) of the Critically Endangered white-headed langur Trachypithecus leucocephalus in the Chongzuo White-Headed Langur ...
Hua Xing Tang, Heng Lian Huang, Zen Xing Wang, Jian Bao Wu, Ai Long Wang, Deng Pan Nong, Paul A. Garber, Qi Hai Zhou, Cheng Ming Huang   +8 more
doaj   +2 more sources

Population Status and Conservation of the Largest Population of the Endangered François’ Langur (Trachypithecus francoisi) in Vietnam

Diversity
François’ langur is an Endangered colobine inhabiting limestone habitats in southern China and northern Vietnam. Its global population has been estimated to be just more than 2000 mature individuals.
Tu A. Le, Anh T. Nguyen, Trung S. Le, Tuan A. Le, Minh D. Le   +4 more
doaj   +2 more sources

Cohabitation Study of Tricolour Langur (Presbytis chrysomelas ssp. cruciger) and Proboscis Monkey (Nasalis larvatus) in Bukit Semujan Danau Sentarum National Park

Jurnal Ilmu Kehutanan, 2023
The  tricolour langur and proboscis monkey in Bukit Semujan cohabited and utilized the same resources. Cohabitation, mainly due to resource constraints, needed substantial attention to ensure the survival of these primates. This research aimed to map the
Nyoto Santoso, Alfatheya Margwita Diva, Natasya Nurul Fauziah, Sutopo Sutopo   +3 more
doaj   +2 more sources

Occurrence of gastrointestinal (GI) parasites in captive Olive Baboon and Common Langur in Bangladesh

Animal Diseases, 2022
Non-human primates (NHPs) serve as necessary reservoir hosts of parasites that create diseases to human. A close interaction between human and NHP can make a pathway for transmission of zoonotic diseases.
Taniza Tabasshum, Fahmida Tasnim Liza, Md. Fazle Rabbe, Mandira Mukutmoni, Md. Mahabub Alam, Aleya Begum   +5 more
doaj   +2 more sources

Masturbation in a male Phayre's langur, Trachypithecus phayrei [PDF]

Primate Biology, 2021
Masturbation is a common auto-sexual behaviour in humans but is not explicitly known in a major portion of non-human primates. We report the first masturbatory behaviour in a male Phayre's langur, Trachypithecus phayrei, observed in a semi-evergreen ...
M. Shalauddin, M. J. Islam, T. Ahmed
doaj   +2 more sources

Ecology and Conservation of the Laotian langur Trachypithecus laotum in a Protected Area of Laos (Southeast Asia)

Diversity, 2021
Terrestrial species from the Lao People’s Democratic Republic (PDR) are under high threat due to deforestation and overhunting. Previous studies have even defined these forests as subjected to an “empty forest syndrome”, a condition in which forests that
Johnny Souwideth, Phaivanh Phiapalath, Hai Dong Thanh, Peter Brakels, Thong Pham Van, Luca Luiselli   +5 more
doaj   +2 more sources

Handheld Thermal Devices Can Facilitate Population Monitoring of the Critically Endangered Delacour's Langur Trachypithecus delacouri in Difficult Terrains

Ecology and Evolution
The Delacour's langur (Trachypithecus delacouri) is a Critically Endangered primate, restricted to a small region in northern Vietnam. In view of its very small population and existing threats, frequent population monitoring programs are urgently needed ...
Anh Tuan Nguyen, Linh Nguyen, Hoang Trinh‐Dinh, Phong Nguyen, Thanh Nguyen, Minh Le   +5 more
doaj   +2 more sources

Spermatogenesis Duration on Adult Javan Langur (Trachypithecus auratus) Based on Testosteron Hormone and Luteinizing Hormone (LH)

Jurnal Medik Veteriner, 2021
This study aimed to determine the duration of the process of spermatogenesis in adult Javan langurs (Trachypithecus auratus) by measuring levels of the hormone testosterone and luteinizing hormone (LH), as one of the efforts to increase the success of ...
Olea Rody Sangen, Aulia Firmawati, Agung Pramana Warih Marhendra, Nurina Titisari   +3 more
doaj   +2 more sources

First record of a mixed species association between Hatinh langur (Trachypithecus hatinhensis) and red-shanked douc (Pygathrix nemaeus). [PDF]

Ecol Evol
In primates, mixed species associations are not common occurrences, and have been linked to both ecological and anthropogenic factors. We present camera‐trapping records of a mixed association between two primates, the Hatinh langur (Trachypithecus ...
Nguyen AT, Le M, Tilker A.
europepmc   +2 more sources