"With Gray Wolves: Yellowstone's Hunters, kids will discover how gray wolves influence their ecosystems. Young readers will learn where gray wolves live and how they affect their environment, their role in the food web, and the dangers they face."--Www.abdobooks.com.

Includes index.

Eco influencers --Park protection -- Hunt and scavenge -- Apex predators -- Beautiful banks -- Birds, beavers, and beyond -- Wolves and rivers -- Ripple effect -- Wolf conservation -- Fun facts -- Gray wolf quiz.