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Showing posts with label lizard. Show all posts
Showing posts with label lizard. Show all posts

Chilled spiky lizard helps Peruvian park nab a record

In Peru's Manú National Park, hundreds of types of snakes, frogs, caimans and turtles crawl along the forest floor.
spiky lizard
One of these is the lizard pictured, a reptile only recently recognised by scientists. This scaly member of the Potamites genus is about 6 or 7 centimetres long. Unlike many other lizards, it lives thousands of metres above sea level, where clouds hug the forest canopy, and braves the cold mountain streams.

Source: Here
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Islands make animals tamer

When Charles Darwin visited the Galapagos Islands, he noted that many of its animal inhabitants were so unafraid of people that “a gun is here almost superfluous”. He swatted birds with his hat, pulled the tails of iguanas and sat on giant tortoises.
lizard
These antics fuelled his famous idea that animals become tame when they live on remote, predator-free islands. Now, William Cooper Jr of Indiana University–Purdue University in Fort Wayne has tested Darwin's hypothesis on 66 species of lizards from around the world and found that island dwellers tended to be more docile than their continental relatives — the strongest evidence yet for this classic idea. The results are published this week in Proceedings of the Royal Society B1.

Source: Here
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“Extinct” Pinocchio Lizard Found in Ecuador

It’s no lie—scientists have spotted a lizard with a nose like Pinocchio in an Ecuadorian cloud forest. What’s more, the long-nosed reptile was thought extinct, having been seen only a few times in the past 15 years.
Pinocchio Lizard
“It’s hard to describe the feelings of finding this lizard. Finding the Pinocchio anole was like discovering a secret, a deeply held secret. We conceived it for years to be a mythological creature,” Alejandro Arteaga, a photographer and one of the lizard’s spotters, said in a statement.

Source: Here
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Prehistoric lizard surprises with fish tail

Until now it was thought havøglene had fish-like, but with long narrow body without caudal fin, and they made their way into the water by meander forward, like an eel. Now scientists might reconsider sight.
Prehistoric lizard surprises with fish tail
It was an international research team, led by Swedish researcher at Lund University, Johan Lindgren, who discovered a clear imprint of a fish-like tail fin of the prehistoric Mosasaurs Prognathodon.

Source: Here
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4 Legless Lizard Species Discovered in California

Four previously unknown species of snakelike creatures have been found in California — but don't call them snakes; they're legless lizards. Prior to the discovery of the new species, there was only one known legless lizard species in the United States: the California legless lizard.
Legless Lizard
Surprisingly, the newfound legless lizards were discovered at a series of sites that weren't exactly pristine: They include a dune bordering a runway at Los Angeles International Airport; an empty lot in downtown Bakersfield, Calif.; a field littered with oil derricks; and the margins of the Mojave Desert.

Source: Here

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Reptile: Monitor Lizard

Monitor lizards, large and sometimes fearsome lizards common throughout Africa, the Indian subcontinent, Southeast Asia, and Australasia, aren't just big and scary: they're also among the fastest learners in the reptile world. Monitor lizards have been proven to be able to count--not just know which of a group has the highest number of objects, but to know exactly which that number is. (You can read more about that experiment here.)
Monitor Lizard

Source: Here
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23-Million-Year-Old Lizard Fossil Found In Mexico

San Cristobal de las Casas, Mexico –  Mexican scientists are studying a complete fossil of a lizard that lived some 23 million years ago and whose soft tissue remains have been preserved in amber.
The small piece of fossil resin, which is in the shape of a trapezoid and entombs the skeleton, was found several months ago in the Simojovel amber deposits of the northern part of the southeastern state of Chiapas.

Source: Here
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Why Lizards Always Have Safe Landings


It comes little to no surprise to us, when lizards land right on their feet without having to use much of
their energy. Well, its natural and becoming of these reptiles, we suppose. Call it instinct, or what have
they, but we do not really mind. Here’s something that might stir you up and give something to think
about. Lizards do not have wings whatsoever, why do most lizards have a knack for always finding the
perfect way to land on their feet, and safely at that. What propels them to leap as high as they could and
land ultimately on safe ground without having to inadvertently lie flat on its back?
Why Lizards Always Have Safe Landings
Lizards, in fact have the innate ability to swing their tails one way to rotate their body the other, an
amazing kind of reptilian gymnastics! In an article from redOrbit, a research was presented at the
Society for Experimental Biology showing the science behind lizards’ safe landing techniques. The
remarkable thing about this experiment was not just limited to the lizards landing prowess per se. The
main goal was to look suitable application of such science to help engineers design air or land based
robots with better ground manipulation and perfect stability, something like what they achieved in Iron
Man.

What is the mechanism behind precise aerial righting? According to the study, the capacity to
manipulate aerial righting and recovering from falling in an upside down position may all depend on the
creature’s body size, morphology and mass distribution. Although not all lizards practically launch an air
striking pose, some have learned, adapted and developed a way to land safely on their feet without all
the parachutes and gears.

Along the way, lizards living in their natural habitats have to co-exist with others and adapt to their
changing environment. There are countless situations where they could put themselves at risk from
falling. To counter the risk, many times over they have adjusted their reptilian bodies and tails hard
enough to land with so much ease.

Although it would still take time to discover the strategies that lizards employ, one thing is helpful. By
swinging their tails in one direction and moving their bodied in the other, scientists have developed a
robot based on their understanding of the lizards’ aerial righting techniques. Named “RightingBot”, what
lizard can actually do, this robot is about to do as well! Amazing, isn’t it?
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