They help keep deer and elk populations in check, which can benefit many other plant and animal species. (creativeaction.network)
State officials have been concerned wolves are having a detrimental effect on elk populations pursued by sport hunters. (apnews.com)
After spending five years trying to find the one thing that could explain the declining elk populations, Middleton has concluded that there isn't one — there are many: Trout fishermen, bears, wolves, fish, climate change and factors yet unfound collectively shoulder the weight of that loss. (discovermagazine.com)