Cyclone Ditwah Alters Migration Path of Amur Falcons in Tamil Nadu

Cyclone Ditwah, which recently impacted Tamil Nadu, has brought an unusual occurrence to Point Calimere (Kodiyakarai) — the arrival of two female Amur Falcons. These birds, known for their remarkable migratory journey of nearly 40,000 kilometers from southeastern Siberia and northern China to southern Africa, were blown off their typical route due to the cyclone's strong winds. Traditionally, Amur Falcons migrate through the Gujarat-Maharashtra corridor, making their appearance in Tamil Nadu a rare event.

The Hindu

This is not the first instance of cyclones affecting the migratory patterns of Amur Falcons in the region. Point Calimere recorded its first-ever sighting of the species in 2020, following Cyclones Nivar and Burevi. In November 2024, two more Amur Falcons were observed during Cyclone Fengal. The recent sighting during Cyclone Ditwah highlights a pattern where cyclonic activity can significantly alter the migratory trajectories of these birds.

The Hindu

S. Sivakumar, Assistant Director at the Bombay Natural History Society (BNHS), emphasized the impact of cyclones on bird migration. He noted, “This is not their regular migratory route. Strong cyclonic winds can blow them far from their viable path.” The presence of the Amur Falcons at Point Calimere serves as a reminder of how environmental factors can disrupt natural behaviors and routes of wildlife.

The Hindu

The phenomenon of cyclones affecting migratory birds raises important questions about the resilience of species like the Amur Falcon in the face of climate change and extreme weather events. As cyclones become more frequent and intense, understanding their impact on wildlife migration patterns is crucial for conservation efforts.

The Hindu

• “Strong cyclonic winds can blow them far from their viable path.” — S. Sivakumar, Assistant Director, BNHS

The Hindu

The arrival of the Amur Falcons at Point Calimere due to Cyclone Ditwah underscores the complex relationship between climate events and wildlife migration. As researchers continue to study these patterns, the need for adaptive conservation strategies becomes increasingly evident to mitigate the effects of changing environmental conditions on migratory species.

The Hindu