Nearly half of all protected migratory species are now experiencing significant population declines across the globe. Specifically, 49 per cent of these recognised species show a downward trend, according to a recent interim report. This figure has increased from 44 per cent just two years ago, signaling a worsening crisis for wildlife. Consequently, international governments must act quickly to address these emerging threats before more species vanish forever.
The interim report exposes a dangerous disconnect between international recognition and actual habitat protection. While governments identify thousands of Key Biodiversity Areas, nearly half remain unprotected, leaving migratory routes highly vulnerable. This data proves that listing a species for protection is only an initial step toward true survival. Furthermore, the rapid decline of shorebirds highlights the extreme sensitivity of coastal ecosystems to environmental changes. Without binding international agreements at COP15, these downward trends are unlikely to reverse before the 2029 report. Highlighting success stories like the saiga antelope shows that coordinated human action can work when properly funded.
Rising Extinction Risks and Upcoming Conservation Meeting
Furthermore, species currently threatened with extinction have risen to 24 per cent, up from a previous 22 per cent. This alarming data arrives just before the critical UN Convention on the Conservation of Migratory Species (CMS COP15) begins. The meeting starts in Brazil on 23 March and represents a vital opportunity for international conservation planning. Scientists from the UN Environment Programme developed this report to track significant changes in wildlife status.
The interim report was developed with the Convention on Migratory Species by conservation scientists at the UN Environment Programme World Conservation Monitoring Centre (UNEP-WCMC) and other contributors, including BirdLife International, researchers at the University of Queensland and the Global Initiative on Ungulate Migration (GIUM).
Shifts in Species Status and Habitat Protection
In addition, twenty-six listed species, including eighteen migratory shorebirds, have moved into higher extinction risk categories this year. However, seven species like the saiga antelope and Mediterranean monk seal have shown improved populations through coordinated action. Nevertheless, 47 per cent of identified Key Biodiversity Areas still remain without any formal protection or conservation measures. This gap leaves migratory pathways vulnerable to human interference and habitat destruction across national borders.
Mapping the Future of Migratory Pathways
Meanwhile, researchers are making significant progress in mapping critical migratory corridors to better inform global decision-making. Initiatives like the Global Initiative on Ungulate Migration help scientists understand the specific paths these animals follow. This essential mapping provides deeper insights into the emerging challenges facing these species during their long journeys. Future reports will leverage technology to offer a comprehensive global view of how these habitats change.
The CMS COP15 summit in Campo Grande, Brazil (March 23–29, 2026), will focus on the theme “Connecting Nature to Sustain Life.” Delegates are expected to address the sharp decline in migratory species through several high-priority strategies:
1. Global Initiative on Taking (GTI)
A major expected outcome is the launch of the Global Initiative on Taking of Migratory Species. This initiative aims to:
- Strengthen Governance: Coordinate legal and sustainable use of species across borders.
- Address Domestic Pressure: Focus on reducing the illegal and unsustainable taking of animals for domestic use, which current data identifies as a greater threat than international trade.
2. Protecting Ecological Connectivity
Conservation efforts will shift from isolated parks to “connected landscapes.” Key projects include:
- Jaguar Corridor: Scaling up initiatives to protect this critical transboundary corridor spanning 18 countries from Mexico to Argentina.
- Linear Infrastructure: Developing guidelines to mitigate the impacts of roads, railways, and renewable energy infrastructure (like wind turbines) that fragment migratory paths.
3. Species-Specific Protections
Parties will vote on proposals to include 42 new speciesin the treaty’s appendices to grant them international legal protection.
- Proposed for Protection: Species such as the Striped Hyena, Giant Otterand various migratory sharks
- Freshwater Fish: Increased focus on threatened fish in major basins like the Amazon and Mekong, which have seen some of the most drastic population drops.
4. Addressing Cross-Cutting Threats
Delegates will negotiate mandates for:
- Deep-Sea Mining: Addressing the emerging threat that deep-sea extraction poses to marine migratory “highways.”
- Fisheries Bycatch: Strengthening international rules to reduce the accidental capture of non-target migratory species.
- Wildlife Health: Creating protocols to manage global health threats, such as theAvian Influenza (H5N1) outbreaks impacting bird populations.
Q&A Section
Q: Why is the percentage of declining species increasing so rapidly?
A: Emerging threats and insufficient habitat protection are driving more species toward extinction despite international recognition.
Q: Which specific migratory species are showing signs of successful recovery?
A: The saiga antelope, scimitar-horned oryx, and Mediterranean monk seal have all seen improvements recently.
Frequently Asked Questions (FAQ)
How many Key Biodiversity Areas are important for migratory species?
Researchers have identified 9,372 areas, yet nearly half lack official protection from governments and conservationists.
When is the next comprehensive global assessment due for release?
The next major “State of the World’s Migratory Species” report is scheduled for release in 2029.
What is the significance of the CMS COP15 meeting in Brazil?
It is one of the most important global meetings for wildlife conservation to discuss migratory species’ protection.





































