In the starkness of winter, squirrel dreys reveal themselves in the tree canopy. They’ve been there all along — just screened by trees’ leafy crowns for much of the year. Dreys are shaggy masses of ...

The energy requirements of Adirondack populations probably exceed this amount. In autumn, gray squirrels clip nuts from the canopy, and scatter hoard them in the ground, relying on their keen sense of ...

With climate change, the squirrels' forest habitat is moving upslope as temperatures warm, and drought threatens its truffle fungus food, which depends on wet, cool conditions. Forest-management ...

In the starkness of winter, squirrel dreys reveal themselves in the tree canopy. They’ve been there all along — just screened by trees’ leafy crowns for much of the year. Dreys are shaggy masses of ...