
Some animals take long naps. Hibernation is when animals sleep for a long time during winter. Groundhogs hibernate. They dig deep burrows under the ground. They stay safe and warm in their burrows.
Photo Credit: Brian E Kushner/Shutterstock
Fall is here! Some places have cooler weather in the … read more
Many families in the United States celebrate Thanksgiving in November. … read more
Bats are nocturnal. That means they are awake at night. … read more
© 2025 McGraw-Hill Education. All Rights Reserved.