The caterpillar of the peppered moth has one of the most impressive natural camouflages in the animal world. Not only do they look like lifeless twigs, but they can also change color to match their background.

Over the past 17 years, we’ve featured some of the world’s most incredible camouflages. From caterpillars that position themselves perfectly on mango leaves to blend in, to butterflies that look like dead leaves and moths with flies feeding on bird droppings on their wings, we thought we had seen it all. And then along comes the stick caterpillar to blow our minds once again. Found in different regions of the Northern Hemisphere, like Asia, Europe, and North America, the caterpillar of the peppered moth is a master of mimicry. Not only does it have the shape of a twig, complete with all its natural imperfections, but it can also sense the color of the branch it is resting on with its skin and change its color accordingly to protect itself from predators.

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Standing 185 cm (6 feet and 0.8 inches) tall from hoof to withers, 3-year-old King Kong is the world’s tallest water buffalo.

Water buffalos are among the biggest bovine species, but even among them, King Kong, a 3-year-old specimen born on a farm in Nakhon Ratchasima, Thailand, stands out as exceptionally tall. Measuring a whopping 6 feet and 0.8 inches from hoof to withers, he is about 20 inches taller than the average water buffalo, according to Guinness World Records. Owner Suchart Booncharoen said that the animal’s name is no lucky coincidence, as his potential to grow into a huge frame was obvious from birth. Still, despite his massive size, King Kong is a gentle giant who loves playing and being around people.

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A veterinary clinic in Turkey recently shared the touching story of a stray dog who carried her unconscious puppy in her mouth and left it at the clinic door as if begging for help.

If not for the viral video footage captured by CCTV cameras, most people would probably think this story too heartwarming to be true. A vet clinic in the Adnan Kahveci neighborhood of Beylikduzu, in Turkey’s Istanbul Province, recently reported one of its most incredible cases. On January 13, an animal lover brought a young puppy they had found on the street, claiming it was the only survivor of a stray’s litter. The clinic rushed to treat the pup only to then have its mother show up on the doorstep with another unconscious puppy in its mouth. A technician noticed the desperate animal and rushed to tend to its offspring, which suffered from hypothermia and had a very low heart rate.

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There are around 45,000 species of spider in the world, all of them carnivorous, with one exception – Bagheera kiplingi, a jumping spider known for feeding almost exclusively on plants.

Native to the forests of Central America and Mexico, Bagheera kiplingi is only 5-6mm long and spends most of its time on the old leaves of acacia trees, waiting for their opportunity to snatch their favorite meal – the Beltian bodies that grow on the very tips of young acacia leaves. There is only one problem, in order to gorge on their meal of choice, these tiny jumping spiders need to go through a gauntlet of aggressive ants that also feed on Beltian bodies, quickly clip it off with their fangs, and then run away to a safe place to feast on it. Rich in lipids and proteins, Beltian bodies are very nutritious for insects, but extremely unusual for arachnids,  the vast majority of which are carnivorous.

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Haementeria ghilianii or the Amazonian Giant Leech is the world’s largest leech by quite a significant margin, growing up to 18 inches (46 cm) long.

Leeches are found in wet and humid areas all over the globe, and while most are smaller than the average person’s index finger, a few can grow a lot longer than that. But one particular species of leech can get so big that it is considered the stuff of nightmares. Haementeria ghilianii, also known as the Amazonian Giant Leech, is an elusive leech that can only be found in French Guyana and certain nearby areas in Brazil, so you’re unlikely to run into one unless you live there, but photos of this slimy critter should be enough to send shivers down your spine. While most specimens measure between 30 and 35 centimeters, exceptional specimens can grow up to 46 cm long.

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The Goliath Frog, the largest living frog on Earth, is facing extinction after a 50% decline in population size in the last three generations, mainly due to human activity.

The Goliath Frog certainly lives up to its name. Reaching up to 13 inches long (32 cm) from snout to vent, and weighing up to 7.2 lb (3.25 kg), it is by far the world’s largest frog. However, it has a contrastingly tiny habitat range in Africa’s Cameroon and Equatorial Guinea, which makes it particularly vulnerable to human-related habitat destruction. They are skittish creatures that tend to avoid humans as much as possible, but increasingly sophisticated traps and habitat destruction have caused a massive decrease in the number of Goliath frogs, and experts warn that if things don’t change soon, this impressive creature will become extinct.

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Baorisa hieroglyphica, also known as the Picasso moth, is a species of moth named after the famous Spanish painter Pablo Picasso because of its unusually artistic wing patterns.

First described by British entomologist Frederic Moore in 1882, the Picasso moth is native to Southeast Asia and Northern India. Like most moths, Baorisa hieroglyphica is a nocturnal insect that feeds mostly on the nectar of various plants. Arguably the most beautiful of the Noctuid moths (Noctuidae family), this stunning-looking insect has been dubbed the most interesting moth in the world. The species’ scientific name ‘hieroglyphica’ refers to the striking geometric lines and shapes on its fore wings, while its common name was inspired by the blotches, strips, and dots of color that hint at the work of a talented painter.

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The blue-tongued skink, a lizard native to the Australian continent, has a rather bizarre defense mechanism – it sticks its bright-blue tongue out to predators and they actually run away, sometimes.

A subspecies of Tiliqua scincoides, the blue-tongued skink is one of only five animals known to have blue tongues, the other being the chow chow dog breed, the giraffe, the Impala, and the Okapi. However, it is the only one known for using this distinct physical feature to intimidate predators. When a blue-tongued skink feels threatened, it will start sticking out its blue tongue rapidly, and the contrasting blue tongue against the pink background of its mouth will actually make some animals think twice before attacking it. It sounds weird, but there is a logical explanation behind this unique defense strategy.

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The Columbia Basin Pigmy Rabbit is the smallest and perhaps the rarest rabbit breed in the world. It is native to just one part of the Washington State Area, and weighs under 500 grams.

There are plenty of tiny domestic rabbit breeds to choose from if you’re looking for an adorable pet rabbit, but the tiniest of them all is actually a wild breed that doesn’t make a great pet. The Columbia Basin Pigmy Rabbit is skittish and nervous, but the main reason why you’ll most likely never own one is its critically endangered status. The breed was declared extinct in the wild in 2001, when the last 14 specimens were scooped up from their native habitat and put into a captive breeding program.

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Gregorio Romero, an 84-year-old man from Mexico’s Sonora state, owes his life to his pet dog, El Palomo, who led rescuers to him after becoming lost in the desert for a week.

On November 27, Gregorio Romero left his home in Moctezuma to go for a walk, but he didn’t come back. His family wasn’t concerned at first, as the octogenarian sometimes used to visit nearby villages in the area and return a few days later. However, after four days, the man’s niece, Ramona, alerted the authorities about his disappearance, and a search party was put together. They searched the area around Romero’s home, but a week after his disappearance, the octogenarian was nowhere to be found. In the end, it was the man’s faithful pet dog that saved the day.

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Cheetahs are famous for their speed, but they don’t even come close to the world’s faster animal, a falcon that swoops on its unsuspecting prey at speeds of over 300 km per hour.

The peregrine falcon is one of the most efficient predators on Earth, and it owes much of that efficiency to its unrivaled speed. During its characteristic dive, this majestic creature reaches an average speed of 320 km/h, but the highest measured speed of a peregrine falcon is actually 389 km/h (242 mph), which makes it faster than the vast majority of commercially available cars. And it’s obviously much faster than the cheetah’s 64 mph record.

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Honeypot Ants, or honey ants, are specialized workers of several species of ants whose sole job is to gorge on nectar until they become living honey-storage.

Did you know that honeybees aren’t the only insects capable of producing the sweet, viscous, and brown-to-golden-colored natural product we know as honey? Several other species of bees, as well as bumblebees and even wasps are known to produce the sugary treat, but perhaps the most unusual insect able to convert nectar into honey is the honeypot ant. Belonging to a number of ant species, the most common of which is Camponotus inflatus, honeypot ants are specialized workers that act as living storage for their colonies when food is scarce.

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Measuring around 10 cm, with a diameter comparable to that of a cooked spaghetti, the Barbados Threadsnake (Tetracheilostoma carlae) is by far the smallest snake in the world.

Spotting a Barbados threadsnake for the first time, you could swear it was an earthworm. They are actually comparable in size and diameter, with the largest specimen ever found measuring only 10.4 centimeters, and are also blind. They also typically weigh under one gram and are small enough to coil on an American quarter. The species was officially discovered slithering beneath a rock near a patch of Barbadian forest in 2008 by evolutionary biologist S. Blair Hedges, but little has been discovered about its ecology and behavior since.

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Using their large feet and fast stride, the Western and Clark’s grebes can run as far as 20 meters on water, making them the only bird and the heaviest animal on Earth capable of doing so.

If you exclude Jesus Christ, whose biblical feat of walking on water is literally considered a miracle of the New Testament, only a handful of creatures are known to be able to walk or run on water. Most of them are small insects, but there is also a small basilisk nicknamed the Jesus Christ lizard for very obvious reasons, but the largest of them all are two bird species – the Western and Clark’s grebes. They can run on water for up to 7 seconds and distances of about 20 minutes as part of an impressive mating ritual.

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Dexter, a 7-year-old Brittany Spaniel from Colorado, has become an inspiration for many around the world after he taught himself to stand up and walk on his hind legs after suffering an accident.

When he was only a puppy, Dexter escaped his owners’ yard in Ouray, Colorado, darted into traffic and got hit by a car. One of his front legs had to be amputated and the other was severely damaged. But he survived, and that’s all his owners cared about. They assumed he would need some kind of wheelchair to get around without his front legs, and he did use one for a while, but only until he learned he could walk much faster on his hind legs alone. Since then, he has been walking like a human, turning heads around town and inspiring the entire world.

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