While some zoo animals view the snow as an opportunity to play, others were curious about the snow. Over at the conservation science campus in Front Royal, Virginia, the cheetahs were inquisitive ...

For pet and lab mice, running wheels are a common feature, often used to encourage exercise. However, some scientists have argued that mice only run on these wheels because they live in cages and that ...

Stoats playing outside in the wild and interacting with each other. The clip also shows how they use and move around the habitat in which they live. This clip is from the series Wonders of Nature.