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Co-what-i? You may not be familiar with this fur ball, which inhabits parts of South America, Central America, and North America. But you no doubt know about the mammal’s famous family. The coati is closely related to the raccoon. And like its cousin, this mammal is the size of a large house cat, has a ringed tail, and hangs out in trees. SNOOZE AND CHEWS Unlike the nocturnal raccoon, which is active at night, the coati mostly gets its z’s when it’s dark. These animals turn treetops into bedrooms, even building comfy twig-and-leaf nests in branches for their babies. As a coati sleeps, it tucks its nose into its belly. During the day, the coati is all about snacking. It uses its long, flexible nose to probe gaps between rocks and search under piles of leaves for grub. Coatis eat insects, fruit, rodents, lizards, and small snakes. MAKE SOME NOISE Female and baby coatis eat, sleep, and travel in packs of about 30. At age two, males leave to live on their own. In groups these animals are chatty—they click, grunt, whistle, and bark as they forage for food. So while it may not be as well known as its raccoon relatives, the coati definitely lets you know it’s there. Text by April Capochino Myers
Comeback critters See how animal species in trouble have come back from the brink

What makes something bounce? Do this experiment to find out!
You’ll have enough to make seven or eight balls.

How to make a lava lamp
Make a Groovy Lava Lamp Photographs byHilary Andrews Using stuff you probably have

Kangaroos possess powerful hind legs, a long, strong tail, and small front legs. Kangaroos belong to the animal family Macropus, literally „big foot.“ Thanks to their large feet, kangaroos can leap some 30 feet (9 meters) in a single bound, and travel more than 30 miles (48 kilometers) per hour. Kangaroos use their strong tails for balance while jumping. They are the tallest of all marsupials, standing over 6 feet (2 meters) tall. Kangaroos live in Eastern Australia. They live in small groups called troops or herds (“mobs” by Australians), typically made up of 50 or more animals. If threatened, kangaroos pound the ground with their strong feet in warning. Fighting kangaroos kick opponents, and sometimes bite. Female kangaroos sport a pouch on their belly, made by a fold in the skin, to cradle baby kangaroos called joeys. Newborn joeys are just one inch long (2.5 centimeters) at birth, or about the size of a grape. After birth, joeys travel, unassisted, through their mom’s thick fur to the comfort and safety of the pouch. A newborn joey can’t suckle or swallow, so the kangaroo mom uses her muscles to pump milk down its throat. At around 4 months, the joey emerges from the pouch for short trips and to graze on grass and small shrubs. At 10 months, the joey is mature enough to leave the pouch for good. Besides humans and wild dogs called dingoes, kangaroos face few natural predators. Heat, drought, and hunger due to vanishing habitat are the biggest dangers kangaroos face.
biggest dangers kangaroos face. 1:45 Eastern Gray Kangaroo Eastern gray kangaroos have

This painter, inventor, and all-around supergenius rocked Renaissance Italy. Check out the timeline below to learn about the life of this legend.
his notes only look normal when reflected in a mirror. “Mirror writing†might have

These frogs are considered one of Earth’s most toxic, or poisonous, species. For example, the golden poison dart frog has enough poison to kill 20,000 mice. With a range of bright colors—yellows, oranges, reds, greens, blues—they aren’t just big show-offs either. Those colorful designs tell potential predators, „I’m toxic. Don’t eat me.“ Scientists think that poison dart frogs get their toxicity from some of the insects they eat. How do poison dart frogs capture their prey? Slurp! With a long, sticky tongue that darts out and zaps the unsuspecting bug! The frogs eat many kinds of small insects, including fruit flies, ants, termites, young crickets, and tiny beetles, which are the ones scientists think may be responsible for the frogs‘ toxicity. Poison dart frogs live in the rain forests of Central and South America.
Comeback critters See how animal species in trouble have come back from the brink

Cruz’s Aunt Marisol sends him postcards from around the world with secret messages written in code. Start the scavenger hunt by following the instructions on the first postcard below. See if you can solve Marisol’s codes and unlock a secret about Explorer Academy.
Student The kids who attend Explorer Academy—an exclusive school for explorers—have

The green anaconda is the largest snake in the world, when both weight and length are considered. It can reach a length of 30 feet (9 meters) and weigh up to 550 pounds (227 kilograms). To picture how big that is, if about five ten-year-olds lie down head to foot, they’d be about the length of this huge snake. The green anaconda is a member of a family of snakes called constrictors. Constrictors are not venomous snakes. They don’t kill prey by delivering venom through a bite. Instead, constrictors wrap their bodies around their prey and squeeze until it stops breathing. The giant snake opens its mouth wide enough to swallow its victim—sometimes fish or caiman (relatives of crocodiles) and even jaguars and small deer. Anaconda jaws are held together with stretchy ligaments so they can open wide enough to swallow prey whole. And it’d take about 11 kids to weigh as much as one anaconda.
Comeback critters See how animal species in trouble have come back from the brink

Tips on keeping track of the animals you see
Don’t worry about a deadline—you have the rest of your life!

Giraffes grow about 4 feet (1.2 meters) in their first year of life. A newborn giraffe is about 6 feet (1.9 meters) tall at birth and weighs about 150 pounds (68 kilograms). Many young giraffes, called calves, die from lion attacks during their first year of life. Once a giraffe reaches adulthood its height is often enough to protect it from lions. Adult giraffes, however, must still be careful of lions when they are bending down to drink water or rest. Usually giraffes will drink or rest in shifts so that at least one giraffe is always on the lookout for approaching predators. The giraffes‘ height and excellent vision give them a wide view of the grasslands where they live, making it easy to spot predators from a distance. Some scientists believe that other animals—such as zebras, antelope, and wildebeests—often congregate near giraffes to take advantage of their ability to see danger from a distance. The giraffe could be considered the early warning system of the African grasslands.
Comeback critters See how animal species in trouble have come back from the brink