Turtles Tagged: Odisha Coast Reveals Surprising Migration

Satellite tagging data from eight olive ridley sea turtles, conducted along the Odisha coast starting in December 2025, has confirmed significant inter-rookery movement. These tagged turtles, including both males and females, demonstrated movement between two major nesting sites: Gahirmatha and Rushikulya. This finding offers fresh insight into their breeding behaviour, indicating that turtles will relocate to safer rookeries if they are not comfortable nesting or laying eggs.

The study also revealed that during their breeding season, olive ridley turtles tend to stay close to shore, generally within a 5km radius. However, some individuals have been observed venturing up to 35km offshore. A notable observation was a female turtle's successful round trip migration from Gahirmatha to Rushikulya and back.

This documented movement highlights the ecological connectivity between these critical nesting grounds. Experts emphasize that such information is invaluable for understanding the spatial dynamics of breeding populations and for identifying key habitats requiring enhanced protection. These insights are crucial for developing more effective conservation and management strategies for the species.

The satellite tagging program, a collaboration between the Wildlife Institute of India and the state forest department, aims to bolster marine conservation by precisely mapping turtle movements. This scientific approach generates essential data to guide habitat protection initiatives and deepen the understanding of the turtles' migratory behavior.