California lethally removes wolves after non-lethal efforts fail to curb cattle losses KRCRCDFW News | CDFW Wolf Management Action in Sierra Valley California Department of Fish and Wildlife (.gov)4 wolves ‘lethally removed’ following months of attacks on cattle in Sierra County, officials say KCRAFour gray wolves euthanized after unprecedented livestock attacks in Sierra Valley KRNVGray wolves lethally removed after killing 70 farm animals in Sierra Valley KOLO | 8 News Now