The virus first appeared in the UK in 2020 and since, researchers have seen an increase in decline in blackbirds. Not only are they affected by the disease, but blackbirds are also non-migrating ...

Gardeners are being urged to help save blackbirds as a deadly virus is wiping them out across the UK. The New Scientist has reported that the Usutu virus, which originated in South Africa in 1959 and ...

London saw a 50 per cent decline in the capital's Blackbird population in 2020 Numbers recovered but are still around 32 per cent lower now than in 2019 Native mosquitoes can transmit Usutu virus ...

Tricolored blackbirds form the largest colonies of any North American ... tricolors are vulnerable to high levels of predation. The species has been in decline ever since widespread land conversion ...

POPULATION TREND: The population of tricolored blackbirds in the Central Valley declined by at least 50 percent between the 1930s and early 1970s, and an additional decline of about 56 percent of the ...

In some parts of the country, most notably London, 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 ...

Cedar waxwings, red-winged blackbirds, a lot of them nest along ... "There has been a decline of birds in the last decade. There has been a decline in robins this winter. They should be showing ...

A summer rusty blackbird is similar ... Breeding Bird Survey has detected a general decline in this species, at a rate of 2.1 percent per year.