Each of those incidents shares a link to a widely used toxin that is turning up at dangerous levels in wildlife across California: rat poison.
But, it's not just California!
The same is true all over. Seventy percent of owls sampled in western Canada had rat poison in their livers. In New York, half of 265 birds of prey tested were positive for poison. In Great Britain, one of every two barn owls tested was contaminated.
"The truth is, it's not just across the state but across the country and across the world," said Seth Riley, a wildlife ecologist with the National Park Service whose research has linked exposure to rat poison to a rare, often fatal form of mange in bobcats in Southern California.