Way up north in Alaska, Katmai National Park protects a vast landscape (over 4 million acres!) of volcanoes, tundra, lakes and Pacific coastline. The park is famous worldwide for its brown bears and ...

Reindeer are a species of deer also known as caribou in certain regions. They are found in the Arctic tundra and boreal ...

Migration, hibernation and food storage are all responses to seasonal changes. As the days become shorter and the nights get longer, hormone changes trigger an animal's instinct to prepare for winter.