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Himalayan Monal's Calls Changing Due to Noise Pollution
19 Sep
Summary
- Bird calls are changing in frequency due to increased human noise.
- Climate change may alter the bird's habitat in coming decades.
- Habitat connectivity is crucial for the species' survival.
Two recent studies from Hemvathi Bahuguna Garhwal University have highlighted significant challenges facing the Himalayan monal, Uttarakhand's state bird. One study reveals that the bird is adapting its calls to counteract increased noise from tourism and traffic. Researchers observed that monals in louder areas, like Chopta Valley, use higher-frequency calls compared to those in quieter regions such as Madmaheshwar Valley. This vocal adjustment, while indicating adaptability, raises concerns about its effectiveness in communication, particularly for mating.
The second study investigates the impact of climate change on the monal's habitat. Projections indicate that current suitable habitats may become unsuitable by 2100 due to changing temperatures and rainfall patterns. The researchers emphasize that maintaining connections between fragmented habitats is vital, as the bird relies on altitudinal movements for its seasonal routines. Both studies advocate for better noise management in high-traffic tourist zones and the preservation of habitat connectivity to ensure the species' long-term survival.
