December 28, 2014; 2:56 PM ET
A storm and cold air forecast to develop at the end of 2014 and linger into the start of 2015 will deliver snow, rain and a frost or freeze to portions of California. more >
A great horned owl went for an unexpected swim in Lake Michigan this week, after two peregrine falcons forced it into the water, according to Chicago birders who saw the territorial skirmish firsthand.
Both migration and hibernation are sensitive to weather and climate, and climate change poses a challenge to migratory and hibernating species..
A DNA test has confirmed that a lone gray wolf is roaming Arizona, just north of the Grand Canyon, a long way from its home in the northern Rockies.