The Arizona Department of Game and Fish announced Mount Graham red squirrels are thriving in an southeastern Arizona mountain ...

They added: "It should be said that these albino grey squirrels, whilst interesting to see, are an invasive non-native species which pose a great threat to Scotland's native red squirrels, ...

Researchers studying ground squirrels at Briones Regional Park were alarmed to learn they’re now eating a surplus of voles in ...

"Long-term impacts on Mount Graham red squirrel’s population size and habitat include wildfire, insect infestations, competition with non-native Abert’s squirrels, and poor pine cone crops ...