Findings on decline of species such as Arctic tern and turtle dove published alongside flyways pledge at Kenya summit

One in nine migratory birds are threatened with extinction and 45% of migratory species such as cuckoos, turtle doves and Arctic terns are in decline, according to a global report.

The migratory slender-billed curlew was officially declared extinct last year, the first global bird extinction in mainland Eurasia and Africa in recent centuries. Worldwide, seven migratory bird species have been confirmed or are suspected to have become extinct over the last 150 years.

The threats to migratory birds, which are overwhelmingly caused by humans and include the intensification of farming, unsustainable hunting, pollution, invasive species and global heating, were revealed in the State of the World’s Birds report.