Grade 2

Animals with an appetite for hedgehogs must work hard for their dinner! They need a pain tolerance for sharp spines and the strength to pry tightly curled bodies. Get a feel for why hedgehogs More →

When kangaroos gather in large groups, they get loud and physical. Males duke it out in boxing matches, jumping and jabbing with feisty determination to earn the “dominant male” title. Be… More →

Underwater, a large, lively community of unique animals thrives. Many of these animals belong to the fish class. There are colorful clownfish, lurking sharks, and silly sea horses. There are… More →

In an act known as “pronking,” gazelles leap straight into the air with their backs arched before landing on all four feet. Their motive is a mystery, but it may just be their way of telling… More →

The largest animal alive is a mammal. It's the 150-ton blue whale. This whale is not only large but also loud—louder than a jet engine! Turn the pages of this book to learn about the… More →

Some animals lead a double life. First, they pose as aquatic creatures, breathing through gills and using tails to maneuver underwater. Then they exchange these features for legs and lungs to More →

Dinosaurs, the world's most notorious reptiles, became extinct a long time ago. However, their cold-blooded, scaly reptile relatives still creep around today. While people no longer have to… More →

Warthogs are named for the thick knobs of skin between their eyes and snouts. These unsightly protrusions provide a cushion that comes in handy not in the face of predators, but against the… More →

Members of the insect class often get a bad rap. People swat at them, stomp on them, and go to great lengths to repel them. Though some insects are pests that spread disease, many are… More →

Compare a hummingbird and an ostrich; the differences are striking! One is tiny and hovers in the air like a helicopter. The other is massive and stays grounded, sprinting rather than flying. More →

When bullies like lions and hyenas are on the prowl for a lunch to steal, leopards keep their cool. The clever cats drag their kill with them as they climb high into trees, where they can… More →

Ants, ants, and more ants are on the menu for these long-snouted insectivores. Just how many ants can an anteater eat? Up to 30,000 in one day! Learn where anteaters live, how they hunt, and… More →