Ground squirrels have turned into carnivorous killers in a local park after vole numbers exploded in Contra Costa County, ...
In parts of Northern California, vole infestations have been observed ... During that time, the scientists used live traps to capture, mark and release California ground squirrels on a biweekly ...
Nearly half involved active hunting by squirrels, who usually pounced on a target vole and restrained it with its forepaws and teeth. Squirrels tended to kill the voles by biting the neck area and ...
"Voles (have come to) recognize the squirrels ... During that time, the scientists used live traps to capture, mark and release California ground squirrels on a biweekly basis.