Around 2,000 penguins have appeared dead on the coast of eastern Uruguay in the last 10 days, and the cause, which does not appear to be avian influenza, remains a mystery, authorities said.
Around 2,000 penguins have appeared dead on the coast of eastern Uruguay in the last 10 days, and the cause, which does not appear to be avian influenza, remains a mystery, authorities said.
90%of them had empty stomachs when they died, suggesting they starved.