A domesticated yak The long hair of yaks protect them from the cold. (more) Why Do Yaks Have Long Hair on Their Bodies? Ask the Chatbot a Question More Actions Share Share Share to social media Facebook X URL https://www.britannica.com/topic/Why-Do-Yaks-Have-Long-Hair-on-Their-Bodies Feedback Corrections? Updates? Omissions? Let us know if you have suggestions to improve this article (requires login). Feedback Type Select a type (Required) Factual Correction Spelling/Grammar Correction Link Correction Additional Information Other Your Feedback Submit Feedback Thank you for your feedback Our editors will review what you’ve submitted and determine whether to revise the article.

　　External Websites Ask the Chatbot a Question Written by Written by Britannica Editors Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree.... Britannica Editors Updated: Sep. 19, 2025 Table of Contents Table of Contents Ask the Chatbot Yaks have long hair because it is essential for survival: it provides superior insulation against the extreme cold of their native high-altitude environments, originally stretching from the Himalayas and Tibetan Plateau in the south to Lake Baikal in the north. The dense, double-layered coat, consisting of coarse outer hair and soft undercoat, effectively traps body heat and protects against chilling winds and snow, allowing yaks to thrive in temperatures as low as −40 °C (−40 °F). ...(100 of 76 words)

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