Meet the mighty grizzly -- one of North America's top predators Wild Life LOL Series introduces young readers (Ages 6-8) to some of the most amazing animals on the planet in a Laugh-out-loud funny way. Each book is brimming with colorful photos, bite sized text, wacky facts, jokes and riddles. Surprisingly, meat makes up a very small percentage of this massive bear's diet. Still, a hungry grizzly can eat 90 pounds of food in one day.