Climate change and predator-prey dynamics with wolves make for smaller moose. Ecologists compare skull measurements spanning four decades gathered at Isle Royale National Park.

Researchers from Michigan Technological University know the smartest way to know a moose is by its brain. Specifically, skull measurements reveal information about body size, physiology and the conditions of a moose’s early life. Put together, measurements through time reveal the health of a population and even changes in their environment. Read more.