The short version
- One in nine migratory bird species faces extinction risk while forty-five percent of all migratory types show population declines.
- Major development banks have pledged approximately six billion dollars to integrate flyway conservation into lending frameworks for habitat protection.
- Human activities including intensive agriculture, illegal hunting, and invasive species remain the primary drivers of biodiversity loss across continents.
A newly released global assessment highlights a severe downturn in the health of migratory bird populations, identifying one in nine species as threatened with extinction. The report, produced by BirdLife International, indicates that forty-five percent of migratory species, including well-known varieties such as cuckoos, turtle doves, and Arctic terns, are currently experiencing population declines. This data underscores a broad-based crisis affecting birds that travel between continents and seasons, signaling wider pressures on the natural systems that support global biodiversity.
The findings were unveiled at the Global Flyways summit in Nairobi, Kenya, where international stakeholders gathered to address these challenges. The event marked the signing of the Nairobi Flyways Declaration, a commitment by governments, scientific bodies, conservation groups, and financial institutions to enhance protection efforts along migratory routes. These flyways serve as critical corridors for billions of birds moving between breeding and wintering grounds, making their preservation essential for maintaining ecological balance across multiple regions.
Human activity remains the dominant force behind these declines. The report identifies intensifying agricultural practices, unsustainable hunting methods, pollution, the spread of invasive species, and global heating as primary threats. In Europe, the Mediterranean, the Caucasus, and the Arabian Peninsula, an estimated thirteen to forty-three million migratory birds are illegally killed or captured annually. Many of these incidents involve songbirds trapped in mist nets or on lime sticks for human consumption, illustrating the persistent impact of direct persecution on vulnerable populations.
Habitat degradation further exacerbates the crisis. Scientific monitoring over the past decade reveals that fifty-eight percent of one thousand ninety-nine key biodiversity areas designated for migratory birds are in poor or very poor condition. Seabirds and shorebirds, which rely heavily on marine habitats and coastal wetlands, are particularly hard hit. The loss of these environments reduces available food sources and breeding sites, compounding the stress placed on species already struggling with climate-related changes and human encroachment.
Despite the grim statistics, the report emphasizes that conservation measures can yield positive results when implemented effectively. Historical data shows that coordinated action has prevented extinctions and aided population recoveries in various regions. For instance, the eradication of non-native predators such as rabbits, cats, rodents, and weka birds from Australia’s Macquarie Island has led to a resurgence in several seabird species, including the blue petrel and Antarctic prion. This success demonstrates that targeted interventions can reverse negative trends even in heavily impacted ecosystems.
Similar achievements have been recorded elsewhere. In China, a nationwide initiative to remove smooth cordgrass, an invasive North American plant introduced in 1979 for coastal stabilization, has restored nearly thirty-eight thousand hectares of mudflat habitat in its first year. This restoration has reopened vital feeding grounds for shorebirds. Meanwhile, in Britain, wetland restoration projects on agricultural land at Wallasea Island have attracted peaks of over thirty-two thousand waterbirds, including thousands of red knots, highlighting the potential for local efforts to contribute to broader conservation goals.
To support such initiatives, three major development banks have integrated flyway conservation into their lending frameworks, committing approximately six billion dollars toward habitat protection and restoration. The Asian Development Bank plans to mobilize three billion dollars over the next decade to safeguard fifty priority wetlands in the east Asian-Australasian flyway, benefiting nearly two hundred million people who depend on these ecosystems. Similarly, the Development Bank of Latin America and the Caribbean has pledged between three and five billion dollars by 2050 to protect more than thirty landscapes and seascapes.
Princess Takamado of Japan, honorary president of BirdLife International, described the declaration as a significant turning point, noting that migratory birds do not recognize political borders. She emphasized the need for international cooperation to ensure the safety of species connecting diverse regions from Asia to Africa and the Arctic to the tropics. While financial commitments provide a foundation for action, experts stress that sustained implementation across national boundaries is crucial to translating pledges into tangible conservation outcomes.
The report serves as both a warning and a roadmap, illustrating the scale of the threat while offering evidence-based solutions. As governments and organizations begin to execute these new strategies, the focus will shift from planning to execution. The success of future efforts will depend on the ability to coordinate actions across jurisdictions, address root causes of habitat loss, and monitor progress rigorously. Without such comprehensive engagement, the decline of migratory birds may continue to accelerate, with broader implications for global ecological health.
Looking ahead, the integration of conservation into financial systems represents a novel approach to environmental protection. By aligning economic development with biodiversity goals, stakeholders aim to create sustainable models that benefit both wildlife and human communities. The coming years will test whether these commitments can withstand political and economic pressures, ultimately determining whether the current trajectory of decline can be halted or reversed.
Sources behind this briefing
Go to the original reporting
- The Guardian US↗One in nine migratory birds threatened with extinction, global report says
