Dusky Langurs | Trachypithecus obscurus
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T. o. carbo | Tarutao Dusky Langur
Photo references
T. o. obscurus
© Andie Ang
T. o. flavicauda | Creamy-tailed Dusky Langur
T. o. halonifer | Cantor's Dusky Langur
T. o. sanctorum | Saint Matthew's Dusky Langur
T. o. seimundi | Phangan Dusky Langur
T. o. styx | Perhentian Dusky Langur