- Groundhog Day is a holiday celebrated in United States and Canada on February 2.
- The groundhog has excellent eyesight.
- Groundhogs are able to climb trees.
- The life span of a groundhog is 5 years.
- Groundhogs are called whistlepigs because they make a whistle sound.
- Groundhogs can swim.
- Groundhogs are sometimes perceived to be pests.