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Why Did Two-Thirds of These Weird Antelope Suddenly Drop Dead?

The Atlantic
My goodness. What is suggested in this report is how a changing climate can negatively effect our physiology, which could turn our own bodily systems against itself.
Only one factor fit the bill: climate. The places where the saigas died in May 2015 were extremely warm and humid. In fact, humidity levels were the highest ever seen the region since records began in 1948. The same pattern held for two earlier, and much smaller, die-offs from 1981 and 1988. When the temperature gets really hot, and the air gets really wet, saiga die. Climate is the trigger, Pasteurella is the bullet.
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