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Christmas Island red crabs are famous throughout Australia and the world for their bright red color and for their spectacular annual migration to the sea. Millions of crabs become rivers of red as they move from the island’s interior rainforests to the ocean to breed and lay eggs. During migration, red crabs climb over and around obstacles in their way, following the same migration paths every year. Christmas Island red crabs live on Christmas Island in the Indian Ocean off Australia’s northern coast, about 240 miles (380 kilometers) south of Java, Indonesia. Red crabs must keep their bodies moist, so they wait for the rainy season to provide conditions that are ideal for the difficult journey. A single female can lay up to 100,000 eggs.
Comeback critters See how animal species in trouble have come back from the brink

During the mating season, male blue-footed boobies strut around with exaggerated movements that show off their fabulous blue feet. Females tend to pick the males with the bluest feet as their mates. Parents take care of their chicks feeding and protecting them—until they’re about two months old. At that point, young boobies can survive on their own. Blue-footed boobies sleep at night, generally on land, and feed at sea during the day. Sometimes boobies feed in a group. They often fly far out to sea to look for their prey—small fish such as anchovies. The birds either zip underwater for fish from a floating position on the water’s surface or make awesome dives from as high as 80 feet (24 meters) in the air. Once it spots a school of fish, the bird folds those wings back, becoming a streamlined, torpedo-shaped predator. The booby dives into the water among the school of fish, using its long beak to grab dinner.
Comeback critters See how animal species in trouble have come back from the brink

Check out this adventurous ocean engineer.
She’s a deep-sea submersible pilot who explores places in the ocean few people have

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

A tree stands in a forest under a cloudy sky. Suddenly it appears as if a twig is crawling down the trunk. The object isn’t actually a twig that’s sprung legs—it’s a stick insect. The stick-like trickster uses its appearance to protect itself from enemies so it doesn’t end up in, well, a sticky situation. FOOLED YA Stick insects—also known as walking sticks—live in tropical and temperate (or mild) forests all over the world. Related to grasshoppers, crickets, and mantises, these creepy-crawlies are usually brown, green, or black. They’re also the world’s longest insects. The largest one ever found stretched 22 inches with its legs extended. (Most are only up to 12 inches long.) This bug spends much of its time in trees, munching on leaves. When predators such as birds approach, the insect tries to remain completely still in order to blend with the branches. If a predator isn’t fooled and grabs the bug by the leg, it’s no big deal. The insect can detach the leg and scuttle away. It will later regenerate, or grow back, the lost limb. A GOOD EGG About 3,000 species of stick insects exist. Some are master mimics even before they hatch. The females from these species lay eggs that look like plant seeds. This prevents carnivorous insects from eating the eggs. This crawler really knows how to go undercover. Text by April Capochino Myers
Comeback critters See how animal species in trouble have come back from the brink

Wherever there is dung (also known as poop), there are most likely dung beetles. They belong to three basic groups: rollers, tunnelers, and dwellers. Those words describe how these beetles use the dung they find. The rollers shape pieces of dung into balls and roll them away from the pile. They bury their ball to either munch on later or to use as a place to lay their eggs. Tunnelers bury their dung treasure by tunneling underneath the pile. And dwellers actually live inside dung piles. Dung beetles are found worldwide, on every continent except Antarctica. They live in habitats that range from desert to forest. Most prefer dung from herbivores, or animals that eat only plants, but some will seek dung from omnivores, or animals that eat plants as well as meat. When an animal such as an elephant chews, swallows, and digests, there are always parts of its meal that pass through undigested. Those undigested bits pass out of the animal in its dung—and that is what provides food for dung beetles. Dung beetle larvae, or young, eat the solid dung while adult dung beetles stick to liquids. There is a good bit of nutritious moisture in dung, and adult beetles suck up that juice.
Comeback critters See how animal species in trouble have come back from the brink

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. 1:46 Eastern Gray Kangaroo Eastern gray kangaroos have

A hungry bobcat crouches behind a bush, looking at the field beyond its leafy hideaway. Suddenly, a squirrel darts across the ground. As the squirrel draws near, the cat leaps from the bush and scoops up the prey in its mouth. It’s dinnertime.
They can leap as far as 12 feet to catch prey and have been known to take down much

Water quenches your thirst, is fun to play in, and generally keeps us alive. (Yeah, it’s kind of important.) Check out other reasons why you should love this liquid.
Asteroids and comets contain ice, so ones that smashed into our planet could have

Snow leopards are extreme athletes with some wizard-like abilities. Find out more about these big cats’ amazing skills.
They have powers of invisibility—kind of. Please be respectful of copyright.