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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?
Share your experience
You can tell us about your blackbird sightings using this form.
Your responses, which can be anonymous, are secure as the form is encrypted and only the Guardian has access to your contributions. We will only use the data you provide us for the purpose of the feature and we will delete any personal data when we no longer require it for this purpose. For true anonymity please use our
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Tell us a bit about yourself (e.g. age and what you do for a living)
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Tell us about you blackbird sightings this summer. Have you noticed any changes in their number compared to previous years?
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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.
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