What Is an Omnivore - Big Science Ideas Author:Bobbie Kalman This book is suitable for ages 6 to 10 years. Omnivores will never go hungry because they will eat almost anything. Also called opportunistic feeders, these animals eat both plant and animal foods. Children will love learning from this book filled with fabulous photos and fascinating text. Well-known omnivores include bears and racoons. These an... more »imals raid garbage cans and campsites. Less well-known omnivores are many insects, birds, and people.« less