Crimson Rose                                                                        

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Context: Thousands of Crimson Rose butterflies fly across ocean from India towards Sri Lanka.

About Crimson Rose:

• It is a large butterfly with a mix of black, white and crimson colours on its wings and body.
• It is known for crossing the sea to migrate to Sri Lanka.
• Certain other butterfly species found in Tamil Nadu are also known for their migration in response to the climate and food availability.

https://www.thehindu.com/news/national/tamil-nadu/thousands-of-crimson-rose-butterflies-fly-across-ocean-from-india-towards-sri-lanka/article65055049.ece