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- Infection time: Disease is more severe when it hits in the morning, at least in mice
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FOR KIDS: Bad news for big bird
Lead poisoning, which nearly killed off California condors, still threatens the birds
Web edition: July 20, 2012
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Humans are having a tough time saving this species, the California condor, from extinction.
S. Haig, USGS
Thirty years ago, the California condor came dangerously close to extinction. Biologists took action, and their efforts worked. The big, bald birds lived, and their numbers grew — from 22 in 1982 to several hundred today.
But the bird’s apparent success story may be misleading, a new study finds. By studying blood and feathers from condors in the wild, researchers have confirmed that the birds are suffering a slow poisoning.
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