At three months, a young langur's face and ears have changed whitish pinkish color to black.
三个月后, 幼年叶猴原本红白色的脸和耳朵已经变成黑色的了.
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The interrelation of habitat factors of white headed langur has also been stud.
并研究白头叶猴生境因子之间的相关性.
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Old World monkeys: guenon; baboon; colobus monkey; langur; macaque ; mandrill ; mangabey; patas; proboscis monkey.
旧域猴：长尾猴; 狒狒; 疣猴; 叶猴; 短尾猴; 山魈;白眉猴; 长鼻猴.
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