Prelims: Current events of national and international importance | Environment
Why in News?
Migratory bird species illustrate the complexity of conservation challenges and protecting them requires safeguarding their entire annual cycle.
Bobolink (North America–South America)
- Breeds in North American grasslands, winters in South America.
- Threats – Disappearing grasslands, pesticide poisoning.
- Lesson – Breeding habitat protection alone is insufficient.
Newell’s Shearwater (Pacific–Hawaii)
- Spends most of life over Pacific Ocean, breeds in Hawaii.
- Threats – Artificial lights, collisions with power lines, introduced predators (cats).
- Lesson – Conservation must address human‑induced hazards at breeding sites.
Spoon‑billed Sandpiper (Russia–Southeast Asia)
- Breeds in Chukotka Peninsula (Russia), migrates via tidal mudflats to Southeast Asia.
- Critically endangered; loss of even a few stopover mudflats jeopardises survival.
- Lesson – Protecting migratory staging areas is vital.
Conservation Measures
- Integrated Strategy – Requires cooperation across countries, habitats, and seasons.
- Safeguarding Annual Cycle – SafeBreeding grounds, migratory stopovers, and non‑breeding habitats, rather than focusing on a single location or threat, holistic development is necessary.
- Threats – Habitat loss, pollution, artificial infrastructure, predators, climate change.
Significance
- Ecological – Migratory birds maintain ecosystem balance (pollination, pest control, nutrient cycling).
- Global Cooperation – Conservation demands transboundary collaboration.
Reference
Down to Earth | Birds
