Anyone with blackbirds in garden asked to do simple thing as virus spreads
The Usutu virus, which can be transmitted by infected mosquitoes to blackbirds, appears to be spreading rapidly in the UK and particularly in the south of England
UK households are being called upon to aid scientists in tracking a mosquito-borne disease that's threatening the nation's blackbirds. Those with gardens visited by these birds are urged to join a national study aimed at gauging the health of native bird populations. The Usutu virus, known for affecting blackbirds and spread by mosquitoes, is on the rise in the UK, particularly in the south.
This has coincided with a worrying decline in some blackbird populations, sparking fears for the future of these cherished songbirds. Experts are keeping a watchful eye on the situation, as global warming could allow mosquitoes and their associated diseases to widen their territory.
To get a clearer picture of how the Usutu virus is impacting blackbirds, scientists are inviting those who spot these birds in their gardens to partake in a dedicated counting initiative.
The British Trust for Ornithology has stated: "The Blackbirds in Gardens project will help us understand how Blackbirds use gardens, and the potential effects of the Usutu virus on their population in the UK.
"If you have access to a garden, have an interest in garden birds and can recognise a Blackbird by sight, then this survey could be for you!" The newly launched survey will continue through September.
The public is being asked to keep an eye on the number of blackbirds they spot, as well as their behaviours such as foraging for food or using a pond or puddle.
The aim is for each participant to conduct a 15-minute survey once a week throughout the duration of the study, reports Chronicle Live. This initiative is part of the Vector-Borne RADAR project, a joint effort between the Animal and Plant Health Agency, the UK Health Security Agency, and the Zoological Society of London.
"We've seen that the virus has spread further than we thought it might do, and it's persisted," Dr Arran Folly from the Animal and Plant Health Agency (APHA) revealed to the BBC.
Based in Weybridge, Surrey, APHA experts have been keeping tabs on mosquito-borne diseases in wild birds for years, due to growing concerns that climate change is turning Europe into a potential breeding ground for these insects.
This virus has been spreading worldwide and arrived in Europe three decades ago. However, in the UK, all test results were negative until 2020. Following the heatwave in the summer of that year, Usutu was detected in several blackbirds in Greater London.
"Blackbirds specifically are quite susceptible to the virus and since 2020 we've found a decline in blackbirds of approximately 40% in Greater London," Dr Folly disclosed.
"It gives an indication that in the future we might get other viruses that are transmitted by mosquitoes emerging in the UK."
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Daily Mirror
17 hours ago
- Daily Mirror
Anyone with blackbirds in their garden asked to take action
The Usutu virus has spread through blackbirds in southern England, with the British Trust for Ornithology asking people to sign up to a survey in a bid to save the bird population The lethal Usutu virus—a mosquito-spread disease that's been targeting Blackbirds in southern England—has sparked serious concerns among wildlife experts. First identified on UK soil in 2020, the virus has spread to as far west as Dorset and has reached Cambridgeshire up north. Hailing from Southern Africa, Usutu arrived in Europe three decades ago and has since caused several significant mortality episodes amongst Blackbird populations, according to Bird Guides. The British Trust for Ornithology (BTO) is now urging people with gardens hosting blackbirds to participate in a special survey. The survey aims to assess the full impact of the crisis and offer much-needed aid. While the risk to humans remains minimal – with no cases documented in Britain – the consequences for our feathered friends are drastic. Reports suggest that the Blackbird numbers in Greater London have nosedived by up to 40% after Usutu took hold following the 2020 heatwave. Dr Arran Folly of the Animal and Plant Health Agency (APHA) has sounded the alarm about Usutu's swift advance and enduring occurrence, hinting it could be a harbinger of other mosquito-borne diseases making their way to the UK. "It gives an indication that in the future we might get other viruses that are transmitted by mosquitoes emerging in the UK," he warned, reports Devon Live. Attributed to climate change, expansions in mosquito populations are being driven by rising temperatures, longer summers, and more intense rainfall – creating perfect breeding grounds for the insects and their pathogens to thrive in new areas. In collaboration with the British Trust for Ornithology (BTO), APHA researchers are set to investigate Usutu's impact on Britain's birds. At the same time, the BTO is calling on the public to help monitor the situation by reporting any sightings of Blackbirds. "Blackbirds are currently nesting and are a common sight in gardens and parks. With public help, we can better track population trends and the virus's impact," said a spokesperson from the BTO. Despite Blackbird numbers holding steady in rural and northern regions, the unpredictable nature of the virus calls for continuous monitoring. The combined efforts of APHA and BTO are crucial for gathering essential data to shape conservation tactics and prepare for future emerging diseases. The BTO commented: "We are trying to better understand the extent and spread of Usutu virus and what the potential impacts of the virus might be on Blackbirds. In particular, as Blackbird numbers were already decreasing in London, a large urban area, we want to know if anything similar is happening in other urban areas, or whether these changes are specific to the capital, and how this compares to smaller urban and more rural areas." How will Blackbirds in Gardens survey help? The BTO is conducting a survey to delve into the potential for disease transmission among Blackbirds in gardens, focusing on their congregation patterns. The organisation explained that this research will shed light on how Blackbird populations utilise various garden types and their breeding success across different urbanisation levels. The BTO highlighted the significance of the study in light of emerging diseases, stating: "Although largely harmless to humans, this is the first time in modern history that a mosquito-borne viral zoonosis (a disease which can be transmitted from animals to humans) has emerged in wild animal hosts in the UK but, with changing climates, more may occur in the future." They further elaborated on the broader context of the research, noting: "Using Usutu virus and Blackbirds as a case study, this survey is part of the Vector-Borne RADAR project, a wider partnership project funded by the UKRI and Defra to understand the emergence and transmission of mosquito-borne viruses in the UK more generally which are expected to increase with climate change." Additionally, the BTO outlined the objectives of the Vector-Borne RADAR project, including: "The project will improve understanding of how these viruses emerge in new environments, enhance surveillance of diseases in wild birds in the UK and develop an early warning system for disease outbreaks." The survey is set to run until September 2025. How to sign up to the survey You can sign up for Blackbirds in Gardens online. You will need a My BTO account to sign up. If you don't already have one, you can create a free account.
Daily Record
17 hours ago
- Daily Record
Anyone who has blackbirds in gardens urged to take 'immediate' action
A public appeal has been launched to protect the blackbird population following reports of a deadly virus decimating the animals People who have blackbirds in their gardens have been urged to take "immediate" action following reports that large numbers of the animals have fallen victim to a lethal virus. The Usutu virus, a mosquito-borne disease originally from southern Africa, was first detected in the UK in 2020 and has been affecting the blackbird population in southern England, with cases reaching as far north as Cambridgeshire. The virus, which made its way into Europe 30 years ago and was responsible for many blackbird deaths there, was also linked to a 40 per cent plunge in the blackbird population in Greater London, according to Bird Guides. Usutu is said to cause minimal risk to humans. The alarming rate of death has sparked concern among conservationists, with the British Trust for Ornithology (BTO) urging people with gardens and blackbirds to participate in a special survey to determine the scale of the impact and provide necessary assistance. Dr Arran Folly, a senior research scientist at the Animal and Plant Health Agency (APHA), has voiced concerns about the persistent nature of the virus, warning that it could be a precursor to other mosquito-transmitted diseases arriving in the UK. He warned: "It gives an indication that in the future we might get other viruses that are transmitted by mosquitoes emerging in the UK." Attributed to climate change, mosquito populations are expanding due to rising temperatures, longer summers, and more intense rainfall – creating ideal conditions for both the insects and their pathogens to thrive in previously inhospitable areas. As well as the public appeal to help monitor and report any blackbird sightings, researchers from the BTO and APHA are joining forces to investigate the effects of the Usutu virus on native bird species, reports Devon Live. A BTO spokesman said: "Blackbirds are currently nesting and are a common sight in gardens and parks. With public help, we can better track population trends and the virus's impact." While blackbird numbers remain stable in rural and northern regions, the unpredictable nature of the virus calls for continuous observation. The combined efforts of APHA and BTO are crucial for gathering essential data to shape conservation tactics and prepare for potential future diseases. The BTO added: "We are trying to better understand the extent and spread of Usutu virus and what the potential impacts of the virus might be on Blackbirds. In particular, as Blackbird numbers were already decreasing in London, a large urban area, we want to know if anything similar is happening in other urban areas, or whether these changes are specific to the capital, and how this compares to smaller urban and more rural areas." How will Blackbirds in Gardens help? The BTO is conducting a survey to gain insight into the potential for disease transmission by blackbirds in gardens. The study aims to determine how the number of birds gathering together in gardens affects the transmission of diseases. Furthermore, it will examine how blackbirds utilise different types of gardens and their success in raising young, particularly in varying levels of urbanisation, from rural to urban gardens. According to the BTO: "Although largely harmless to humans, this is the first time in modern history that a mosquito-borne viral zoonosis (a disease which can be transmitted from animals to humans) has emerged in wild animal hosts in the UK but, with changing climates, more may occur in the future." The survey is part of the Vector-Borne RADAR project, a broader partnership project funded by UK Research and Innovation (UKRI) and the Department for Environment, Food and Rural Affairs (Defra). The project aims to understand the emergence and transmission of mosquito-borne viruses in the UK, which are expected to increase with climate change. The BTO stated: "The project will improve understanding of how these viruses emerge in new environments, enhance surveillance of diseases in wild birds in the UK and develop an early warning system for disease outbreaks." In order to take part in the survey, you will need to create a 'My BTO' account, which you can do so by clicking here and selecting 'Register'. Once that's done, click here to go to the survey.
The Guardian
3 days ago
- The Guardian
Share your blackbird sightings with us this summer
Blackbird populations in southern England and Greater London have plummeted in recent years. The Usutu virus, first detected in the UK in London in summer 2020, is thought to be a factor behind their decline. The British Trust for Ornithology (BTO) has asked the British public to contribute to their Blackbirds in Gardens survey to help understand how they are faring. How are the blackbirds where you are? Have you noticed any changes in their number compared to previous years? Have they declined, increased, or stayed the same? You can tell us about your blackbird sightings using this form. Please include as much detail as possible. Please note, the maximum file size is 5.7 MB. Please note, the maximum file size is 5.7 MB. Please note, the maximum file size is 5.7 MB. Your contact details are helpful so we can contact you for more information. They will only be seen by the Guardian. Your contact details are helpful so we can contact you for more information. They will only be seen by the Guardian. If you include other people's names please ask them first.
