The H5N1 strain of avian influenza is spreading worldwide, killing millions of birds. In the UK, it is causing catastrophic loss of seabirds – populations that were already being hit by a number of threats, including habitat loss, over-fishing and global warming. Biodiversity reporter Phoebe Weston tells Madeleine Finlay how the virus made it into wild birds, why it’s having such a devastating effect, and the long-term impact bird flu can have on some of our most vulnerable species.
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