In the early 1970s, America’s bald eagles were headed for extinction, and had become an endangered species. Although extinction is a natural process, the worldwide rate of extinctions has increased alarmingly due to human activities.

When winter winds chill us to the bone, we bundle up in sweaters, down vests and fleece parkas. Wild animals, on the other hand, must endure the cold.A mammal’s fur and its thick layers of fat provide insulation that conserves body heat.

When winter winds chill us to the bone, we bundle up in sweaters, down vests and fleece parkas. Wild animals, on the other hand, must endure the cold.A mammal’s fur and its thick layers of fat provide insulation that conserves body heat.

Grab your coat, scarf and gloves and get outside to take in the true sounds of the season. We often think of winter as a quiet time in nature. Chilling winds suppress any desire to wander outside, but the sounds of winter are waiting to be heard -- if you choose to brave the cold.

Grab your coat, scarf and gloves and get outside to take in the true sounds of the season. We often think of winter as a quiet time in nature. Chilling winds suppress any desire to wander outside, but the sounds of winter are waiting to be heard -- if you choose to brave the cold.

Your car’s headlights reflect bright red eyes from a hunchbacked form ambling across the road. The black mask and ringed tail identify it as a raccoon, the “curious nighttime prowler.”

Your car’s headlights reflect bright red eyes from a hunchbacked form ambling across the road. The black mask and ringed tail identify it as a raccoon, the “curious nighttime prowler.”

Throughout history, owls have established a solid place in storytelling. Today, we appreciate owls for their role in the environment and for their enjoyable calls.

Throughout history, owls have established a solid place in storytelling. Today, we appreciate owls for their role in the environment and for their enjoyable calls.

You might steal a kiss under its green branches, but in nature, mistletoe is a parasitic plant that attaches to and steals nutrients from trees.