California condors have made one of the most remarkable wildlife comebacks in U.S. history. The population of the critically endangered scavengers, once reduced to just 26 birds in the wild in 1987, ...

Add Yahoo as a preferred source to see more of our stories on Google. California condors are threatened by an unlikely enemy: lead poisoning. While the birds don't ingest the lead, they're likely to ...

Researchers couldn’t figure out why the birds were dying — then they turned up an unusual suspect. California condors are threatened by an unlikely enemy: lead poisoning. While the birds don't ingest ...

The world is full of distressing news, but another global event, the FIFA Men’s World Cup, will be a welcome distraction from all the geopolitical drama. The Beautiful Game will provide some respite, ...