The Douglas fir is an indelible symbol of the Pacific Northwest. The thick-barked native represents the aesthetics of biologically rich Cascadia and the checkered past of overlogging.

The Great Horned Owl dominates Alaska's forests from the southeastern panhandle all the way to the northern boreal forests.

When landscapes change, exotic species take advantage of new habitats. Such a pulse of colonisation coincided with the Ice ...

A recent study has explored how changes in moth abundance affect insect-eating birds in Finland. The findings, published in ...