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Himalayan Monal Changes Its Voice and Habitat Due to Human Activity
M
Moneycontrol•07-10-2026, 14:55
Himalayan Monal Changes Its Voice and Habitat Due to Human Activity
- •New research in Uttarakhand reveals that Himalayan monals living in noisy tourist areas raise the pitch and shorten their calls to cut through human-generated noise.
- •Studies indicate that these vocal changes show behavioural flexibility rather than permanent evolutionary shifts, though long-term impacts on breeding remain uncertain.
- •Climate change and human encroachment are shrinking and fragmenting the bird's alpine habitat, potentially pushing populations to higher elevations by 2100.
- •As the state bird of Uttarakhand and national bird of Nepal, the Himalayan monal serves as a vital indicator of broader ecosystem health in the region.
Key Questions Answered
Researchers found that Himalayan monals living in areas with heavy traffic and tourist activity, such as Chopta, adjust their calls by raising their peak frequencies and producing shorter calls to cut through low-frequency human noise.
Projections indicate that suitable habitat for the Himalayan monal across the Indian Himalayas could shrink and become increasingly unstable through 2100 as snow melts and vegetation changes, pushing the birds further up the mountains.
The Himalayan monal serves as a useful ecosystem health indicator due to its relatively narrow habitat range, seasonal movement between different elevations, and its role as the state bird of Uttarakhand and national bird of Nepal.
