• Ladybugs, preparing for hibernation, concentrate in vast numbers on Bear Mountain, Green Mountain and other summits in the foothills. Monarch butterflies leave for Mexico. Box elder bugs and other ...

Where's the winter white? While we don't have snow as we head into mid-December, little creatures of the woods still are snuggled safely in their winter dens awaiting the heavy insulating blanket of ...

Lots of arctic animals, including bears, woodchucks and chipmunks, hibernate through the cold winter months. During hibernation, these animals aren't sleeping. Instead, their heart rate, body ...

The eastern chipmunk lives where oak trees flourish, which includes all but southwestern Minnesota. These 10-inch ground squirrels are common, conspicuous and tolerant of human observers. They ...

I've been talking about raptors to school groups for decades. At one point, I ask the students what the prey animals - i.e. mice, rabbits, chipmunks - are doing in spring. Inevitably, a student will ...

For a good chunk of the summer, I have been able to monitor the activity of one particular visitor to the feeding station down by my Thinking Chair a little more closely than most of the others.

Don't miss the big stories. Like us on Facebook. Mammals and birds are endotherms, which means they generate their own body heat through relatively high metabolic rates. That high metabolism requires ...

Respiration and phosphorylation were studied in liver homogenates of hibernating chipmunks and in active chipmunks maintained at 2-5°C. and ambient temperature (23 ± 1 °C.). Measurements were made ...