Meet the Dynastor darius darius, a harmless caterpillar with astounding survival skills. In order to avoid being attacked by predators during its pupal stage (when the larvae transform into butterflies or moths), the helpless creature takes on the form of a rather menacing snake!

Native to Trinidad, the shape-shifting D. darius often mimics the head of a Gaboon pit viper, successfully fooling even the toughest of its predators. After it sheds its final layer of skin, the caterpillar enters its pupal stage, and its chrysalis takes the shape of a viper’s head. The transformation lasts 13 days, during which time this mimicry is its only line of defense. To make the appearance even more believable, the scary-looking chrysalis hangs on the underside of forest leaves at a carefully selected angle.

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A Japanese man and his adorable pet tortoise have become internet sensations after photos of them strolling along the streets of Tokyo went viral. The man – funeral director Mitani Hisao – revealed that the tortoise has been his pet for the past 19 years, taking the place of the child he never had.

Hisao added that the African spurred tortoise was a tiny baby, only five cm in diameter, when he first spotted it in a pet-store window. “I never had any children, but 19 years ago my wife caught the eyes of this little tortoise and felt an instant bond with him,” he said. “I couldn’t leave the store without it.” So they adopted the little creature, named it Bon-chan, and cared for it as they would a child.

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Meet Roger, the alpha male at the Kangaroo Sanctuary in Alice Springs, Australia. When he’s not too busy fighting off younger males for the title of supreme leader, Roger likes to show off his muscles and practice his kickboxing moves.

If you’re an aspiring bodybuilder desperate enough to accept tips from a kangaroo, you should know his favorite training exercise is crushing his metal feed bucket with his bare paws. Sure, it sounds extreme, but just look at Roger’s guns!

You can tell he knows he looks good, too. The way he flexes for the camera and stares menacingly into the lens, he’s a natural superstar.

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Fishermen from the Brazilian town of Laguna have developed a unique symbiotic relationship with dolphins: they rely on the intelligent creatures to help them catch fish! Studies have revealed that there’s a particular group of about 20 bottlenose dolphins that work alongside the fishermen, while the rest of the local dolphins prefer to look for food on their own.

The dolphins work together to herd groups of mullet towards the fishermen. They then use head- or fin-signals to alert the fishermen as to when and where the nets should be thrown. The system works well for both parties: neither could survive without the other. The fishermen get to catch all the fish they need, while most of the stray fish that manage to escape the nets swim right into the dolphins’ mouths. The water is so murky near Laguna that the fishermen could never catch fish as efficiently without the dolphins’ help. That’s why they only fish when the marine mammals show up.

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A bizarre new dog grooming trend in Taiwan has dog owners giving their pet pooches square or round haircuts. Canine hairdressers all over Taipei are up to date on the special technique required for these eccentric makeovers.

“It came about because people were always looking for more impressive haircuts, and somebody came up with the idea of shaping the dog like a hedge,” parlour owner Tain Yeh says. It started with a few people opting for these haircuts and sharing their pets’ photographs online, after which the trend caught on. Thousands of pet owners are now approaching salons, asking for their dogs’ hair to be cut in geometric patterns. Some are actually doing it simply to gain more likes and shares!

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A strange owl in the Dutch town of Noordeinde has become famous for its penchant for landing on people’s heads. It seems that the bird simply lands on people who happen to be walking by, for no apparent reason!

Apparently, a fence or a tree just isn’t good enough for the beautiful European eagle owl, weighing around six pounds. It only lands on people’s heads, staying perched for about a minute before flying off in search of its next target.

The residents of Noordeinde aren’t bothered by the owl one bit. In fact, they’re quite delighted with all the attention that their town is receiving, thanks to the wild bird. “I’ve seen photographers and birders from around the country, from The Hague to Spijkenisse, they come from everywhere to see the eagle owl,” a cheerful resident said. “Our village is finally on the map!”

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When a team of Swedish athletes trekking through the Ecuadorian rainforest last year sat down for a meal of canned meat, they were joined by the most unusual dinner guest – a scruffy old stray dog. They felt sorry for the poor creature and gave him some of their food, but little did they expect that the small gesture of kindness would earn them a friend for life. From that moment on the dog never left their side, following them through the rough terrain for the entire duration of the trek!

The group of four trekkers happened to be navigating the final two stages of the 430-mile Adventure Racing World Championship, during the time that the dog – whom they later named Arthur – befriended them. “I had just opened a food pack when I saw a scruffy miserable dog in the corner of my eye,” said team member Mikaels Lindord. “I thought he was hungry and gave him a meatball. Then I thought no more of it.”

But the act certainly made an impression on Arthur, who refused to leave his new master’s side. Despite his ill health, he kept up with the team through every gruelling task. He swam alongside them while they kayaked down rivers, dragged himself up treacherous hills as they hiked, and even managed to pull himself through knee-deep mud during treks.

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Releasing pet fish into a lake might sound like a kind thing to do, but in fact, it is quite the opposite. Teller Lake in Boulder, Colorado, is making headlines for a bizarre surge in its goldfish population, after someone apparently dumped three or four of them in its waters a couple of years ago. The lake is now home to a whopping 3,000 to 4,000 goldfish that are putting its delicate ecosystem in danger.

The fish have multiplied beyond control – they’re eating up all the resources, spreading unnatural diseases, and threatening to overrun the lake’s natural species. Colorado wildlife officials say that humans are to blame.

“Dumping your pets into a lake could bring diseases to native animals and plants as well as out-compete them for resources,” said Colorado Parks and Wildlife (CPW) spokesperson Jennifer Churchill. “Everything can be affected. Non-native species can potentially wipe out the fishery as we’ve put it together.”

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After five long years of entrapment inside the wall of a subway station in Cairo, Egypt, a cat was finally set free last month. The poor feline was first discovered in 2010 by an elderly man known as Uncle Abdo, who heard its meows from behind the wall at Mohamed Naguib Metro station. After checking the premises, Abdo found a tiny hole and realized the cat must have crawled inside and had gotten stuck. He named the cat Biso, and made it mission to take care of it.

At first,Uncle Abdo, who owns a shop outside the station, wasn’t sure of what to do about the situation – he would have liked to break open the wall the free the cat, but that would have meant destruction of public property. So he continued to bring food and water for Biso, reaching into the hole and placing them there so that she could survive. The bizarre arrangement continued for five long years. Even during the revolution on January 25, 2011, when most stores were closed, Uncle Abdo went to the station, just to feed Biso.

“I do it for God, what is for God does not go away,” Uncle Abdo said, adding that God rids him of many problems for such good deeds.

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Scientists in Ecuador have discovered a new species of frog that is able to morph the texture of its skin – from spiny to smooth – within a matter of minutes. Aptly named ‘mutable rain frog’, the tiny, finger-nail sized creature is the first shape-shifting amphibian to ever be found.

According to a Livescience report, the mutable frogs were found in Reserva Las Gralarias, a protected cloud reserve forest on the western slopes of Ecuador’s Andes Mountains. The incredible discovery is credited to biologist Katherine Kryna and naturalist Tim Krynak, who have spent the past decade combing the reserve for rare frog species.

The duo first spotted the frog in 2006, when they had captured it on camera. On closer inspection of the photograph, they realised that it could be a new species. The frog’s spiny-textured skin stood out, so they started calling it ‘punk rocker’. “It wasn’t until we saw the amazing texture of its skin that we thought, ‘wow, this is something different,’” said Katherine.

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The Pseudis Paradoxa is the Benjamin Button equivalent of the amphibian world. The paradoxical creature starts off as a 25-cm-long tadpole and shrinks as it grows. ending up as a small tropical frog, about a quarter of its original size.

When biologists discovered the paradoxical frog in the South American wild,they were understandably confused. At first, they thought the adult frogs were actually the babies, which later grew into giant tadpoles, exactly the opposite of how every other frog species in the world develops. They later figured out that the 11-inch tadpoles were indeed the juveniles, but still couldn’t explain the bizarre phenomenon.

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A bully pitbull that’s almost the size of a miniature pony has become an internet sensation after his owners released photos and videos of him online. Aptly named ‘The Hulk’, the impressive canine weighs a massive 173 pounds and he is still growing!

At only 17 months, The Hulk is already three times bigger than other dogs of his breed, and he’s already being hailed as the ‘biggest bully pit bull on earth’. However, his owners,Marlon and Lisa Grennan, from New Hampshire, say The Hulk is a gentle soul, and even let their toddler son ride him like a horse. “These dogs are very balanced and gentle – they are nanny dogs,” Marlon said. “I don’t think it’s irresponsible for people to have pit bulls and children. They’re dogs just like any other dog. No matter what the breed it is, it is hundred per cent how you raise them.”

Still, the Grennans admit that The Hulk “could kill someone if it was in the wrong situation at the wrong time” and “snap an arm like a toothpick”.

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Five elderly women in China have dedicated their lives to the care of nearly 1,300 stray dogs. The enterprising women run their very own custom dog asylum, where they feed the lucky canines 400 kg of tasty dog-food every single day.

The shelter, located in China’s central Shaanxi Province, was established in 2009 by 60-year-old Wang Yanfang. She said that she felt sympathetic towards strays that were taken away by regulators, so she decided to apply for permission to open the asylum, solely supported by donations.

Since then she has gained the support of four other women, and together they wake up at 4am each morning just to prepare food for the dogs. They are so dedicated to the cause that they even chose to forgo the extravagant display of fireworks on New Year’s Eve, and instead spent the day with the abandoned dogs.

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While most young birds rely on their parents for protection, the chicks of the Amazonian Cinereous Mourner have their own survival tactic. In order to avoid being eaten by predators, they actually mimic poisonous caterpillars!

On hatching, the chicks are covered with bright orange, spiky feathers that make them look like massive caterpillars that use bright colors to warn predators of their toxicity. And to make their camouflage even more effective, they even writhe about much like caterpillars.

“These traits give it a resemblance to a hairy, aposematic caterpillar,” said Dr. Gustavo Londoño, a biologist at the University of California. “Because predation is the main cause of avian nest failure, selection should favor strategies that reduce the probability of nest predation. The caterpillar we encountered measured 12 cm, which closely matches the size of the L. hypopyrra nesting. The striking morphological similarity is the caterpillars’ orange ‘hairs’ with white tips, which match almost exactly the nestling’s elongated orange downy feather barbs with bright white tips.”

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At 43 inches, Pedro, an adorable pint-sized Shetland pony, is so small that he can’t even see over his own stable door. Fortunately, a group of schoolchildren recently found a solution to his problem – they designed a special equine periscope just for him. The cardboard contraption, aptly named the ‘Pedroscope’, is fixed to the 60-inch gate and uses carefully placed mirrors in order to give 14-year-old Pedro a view of the world outside his stall.

Owing to his small stature, Pedro was given a home at Ebony Horse Club, a struggling charity in London that gives disadvantaged children a chance to engage with horses. But builders estimated that it would cost thousands of pounds to create a custom-made miniature stable for the cute pony. So the charity turned to local school children for help, and they rose to the occasion quite beautifully. They came up with the design for the cardboard periscope, which was later built by printing firm Print & Cut.

“We got an email from the Ebony Horse Club who were asking for our help, it was so nice, and a little bit funny, that we decided to give it a go,” said Andy Morris, owner of Print & Cut. “The sketch was sent to us and then I turned it into a 3D sketch with some software, and then it was sent to be made. It was all quite easy, and we did it for free to help Pedro. As soon as I saw it, I thought it was funny and knew it would be relatively easy for us to do, and we’d make the pony and children pretty happy.”

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