According to the British Trust for Ornithology (BTO), blackbird numbers have dropped by approximately 10% in East Anglia and southeastern England and around 5% in the southwest. The virus is ...

London saw a 50 per cent decline in the capital's Blackbird population in 2020 Numbers ... the total fell 50 per cent in 2020, said the British Trust for Ornithology (BTO). Numbers recovered ...

blackbird populations have dropped by more than 40 per cent since 2018. “We first noticed the decline at the same time as Usutu popped up,” says Hugh Hanmer at the British Trust for Ornithology.

The New Scientist has reported that the Usutu virus, which originated in South Africa in 1959 and is now widespread in Europe, is causing a significant decline in blackbird populations.

Following the most recent incident in Blackbird Leys Park on Sunday, Thames Valley Police brought in stop-and-search powers ...