The Proboscis Monkey (Nasalis larvatus), known as “monyet belanda” (Dutch monkey) in Malay, is a distinctive reddish-orange primate characterized by its large, pendulous nose. Males can reach 30 kg in weight, 65-75 cm in length, with noses extending up to 18 cm, while females are slightly smaller. Adept swimmers, these monkeys can dive to depths of 20 meters. The International Union for Conservation of Nature (IUCN) Red List classifies the Proboscis Monkey as “Endangered.”

长鼻猴（学名：Nasalis larvatus，马来语：Monyet Belanda，意为”荷兰猴”）是一种独特的红橙色灵长类动物，以其巨大下垂的鼻子而闻名。雄性体重可达30公斤，身长65-75厘米，鼻长可达18厘米，雌性体型略小。这种猴子游泳技能出众，能潜水至20米深。根据国际自然保护联盟（IUCN）濒危物种红色名录，长鼻猴被列为”濒危”物种。