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Blue tiger butterflies migrate towards the Western Ghats
ಸುದ್ದಿಯಲ್ಲಿ ಏಕೆ?
Millions of butterflies chase the North-East monsoon: the Western Ghats migration Prelims biodiversity questions can test
Blue tiger butterfly migration towards the Western Ghats marks the North-East monsoon onset.
Why it matters: factual, Prelims-type
What you need to know
2 ನಿಮಿಷ
Millions of blue tiger and dark blue tiger butterflies are moving towards the Western Ghats as the North-East monsoon sets in.
The annual migration is closely watched by naturalists.
ಮೂಲಗಳು: Topper IAS editorial (PIB / The Hindu / Indian Express)
ಮುಖ್ಯ ಅಂಶಗಳು
Remember these
- Blue tiger and dark blue tiger butterflies are migrating towards the Western Ghats as the North-East monsoon sets in.
- The migration is annual and closely watched by naturalists.
- The Western Ghats are a UNESCO World Heritage Site and a global biodiversity hotspot.
- Blue tiger (Tirumala limniace) and dark blue tiger (Tirumala septentrionis) belong to the Nymphalidae family.
- Butterfly migration is seasonal and linked to monsoon rains and the availability of host plants.
ಪ್ರಿಲಿಮ್ಸ್ · ಮೇನ್ಸ್
How the exam will ask it
ಪ್ರಿಲಿಮ್ಸ್
- Statement: Blue tiger butterflies migrate towards the Western Ghats with the onset of the North-East monsoon. (Correct)
- Statement: The Western Ghats are recognised as one of the world's biodiversity hotspots. (Correct)
- Statement: Butterfly migration is unrelated to seasonal weather changes. (Incorrect)
ಮೇನ್ಸ್
GS-III Biodiversity and Environment: seasonal insect migrations act as indicators of ecosystem health and climate shifts. Habitat loss and changing monsoon patterns threaten migratory corridors in the Western Ghats. Way forward: protect corridors and host plants, support citizen-science monitoring, and integrate climate-resilient habitat management.
Quick recall
Answer before you reveal
ನೀಲಿ ಹುಲಿ ಮತ್ತು ಗಾಢ ನೀಲಿ ಹುಲಿ ಚಿಟ್ಟೆಗಳು ಪಶ್ಚಿಮ ಘಟ್ಟಗಳತ್ತ ವಾರ್ಷಿಕ ವಲಸೆ ಆರಂಭಿಸಿವೆ; ಇದು ಯಾವ ಋತುವಿನ ಆರಂಭವನ್ನು ಸೂಚಿಸುತ್ತದೆ?
- ನೈಋತ್ಯ ಮುಂಗಾರು
- ಪಶ್ಚಿಮ ಅಡಚಣೆಗಳು
- ಮಾವಿನ ಮಳೆ
- ಈಶಾನ್ಯ ಮುಂಗಾರು
ಉತ್ತರ ನೋಡಿ
ಉತ್ತರ: D — ಸರಿ: ಈಶಾನ್ಯ ಮುಂಗಾರು
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