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Bird flu has caused catastrophic die-offs – could a wave of extinctions follow?
As the IUCN global conservation body prepares to update its red list of endangered species, scientists explain why calculating the true toll of a pandemic is so hard It began with the brown skuas. The migratory seabirds had arrived on the sub-Antarctic island of South Georgia in 2023, harbouring a deadly passenger. Within months, the southern elephant seals that had come ashore to breed became sick. Mothers and…