Sri Lanka, Nov. 7 -- Thousands of yellow and white butterflies have recently been spotted flying across several parts of Sri Lanka, drawing widespread public attention and sparking curiosity about the unusual natural phenomenon.

Videos and photographs shared on social media show large groups of butterflies travelling together in the same direction, with sightings reported in areas including Colombo, Galle and Ratnapura.

According to an explanation published by Fact Crescendo Sri Lanka, the phenomenon is part of a natural seasonal migration linked to monsoon rainfall, changes in vegetation and butterfly breeding cycles.

Seasonal Migration Linked to Monsoon Rainfall

Experts explain that butterfly migrations in Sri Lanka generally take p...