A collaborative study with a CU Boulder professor investigates how the risks and rewards of red squirrel reproduction is a microcosm of evolutionary patterns You’ve probably seen plenty of squirrels ...

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Urbanization is rapidly growing worldwide, often bringing negative effects on wildlife through loss of habitat and disturbances such as light pollution and noise. Yet some species manage to adapt to ...

Climate change appears to be disrupting the hibernation of females in the Far North, scientists say, and that could affect mating season. By Mélissa Godin Male Arctic ground squirrels go through ...

Female red squirrels are so promiscuous that they sometimes mate with up to 14 males in a single day, new research finds. Subscribe to read this story ad-free Get unlimited access to ad-free articles ...