Related topics: species · predators · bird species · climate change · dinosaurs

World losing high-stakes fight against invasive species

Invasive species that wreck crops, ravage forests, spread disease, and upend ecosystems are spreading ever faster across the globe, and humanity has not been able to stem the tide, a major scientific assessment said Monday.

Bird flu kills scores of sea lions in Argentina

Scores of sea lions have died from bird flu in Argentina, officials said Tuesday, as an unprecedented global outbreak continues to infect mammals, raising fears it could spread more easily among humans.

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