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February 7th, 2008 - WTF_Nature [entries|archive|friends|userinfo]
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February 7th, 2008

One-Day Old Magpie [Feb. 7th, 2008|12:17 pm]
WTF_Nature

wtf_nature

[distort303]
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(image credit: National Geographic)

Photo by Jiri Anderle -
This one-day-old magpie in Moscow, Russia, thinks that I'm her parent.
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6 Cute animals that can kill you [Feb. 7th, 2008|01:40 pm]
WTF_Nature

wtf_nature

[chaosrah]
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So uh, has this been posted? Because I found it to be very amusing. Some of this I really didn't know.
The 6 cutest animals that can still kill you.

I found quotes such as this to be highly amusing:

"The late Steve Irwin, a man who used to tackle 12-foot crocodiles for fun and wave angry snakes filled with kill-you-before-your-next-heartbeat poison at a camera, considered a five-minute sequence where his camera team had to cross a river filled with hippos to be the single most dangerous moment ever filmed on his show.

The man who toyed with crocodiles, was scared shitless of hippos. "

Really, read the whole thing, it's great.
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Top Eight (8) Most Poisonous Animals [Feb. 7th, 2008|01:47 pm]
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wtf_nature

[distort303]
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Immense physical strength, razor sharp claws and scissor like teeth are not the only weapons animals use. Thousands of animals use highly venomous or toxic poisons to attack prey or defend themselves. Some animals actually shoot poisons towards victims, others store toxins in their glands or skin. Following are the top eight most poisonous animals in the world.

8. Box Jellyfish

Prevalent in the ocean waters throughout Asia and Australia, this dangerous animal goes out of its way to avoid other creatures. Swimmers must definitely avoid the Box jellyfish. The stingers and tentacles on this animal are extremely powerful. Along with causing excruciating pain for weeks, the animal's venom is capable of stopping the heart or paralyzing the lungs. To top it off, the venom will slowly eat away at the skin.

Read more...Collapse )
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Haemangioma [Feb. 7th, 2008|04:17 pm]
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wtf_nature

[drhoz]
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Haemangioma is a fancy word for a birthmark. They're congenital benign skin lesions consisting of dense, usually elevated, masses of dilated blood vessels. Most of the time, they're completely harmless, and a fair number of them vanish before you hit puberty. Haemangiomas are by far the most common childhood tumour, occurring in approximately ten percent of Caucasians, altho less prevalent in other races. Females are three to five times more likely to have them, which adds weight to the idea that oestrogen signalling is to blame. 'Strawberry Marks' or capillary haemangiomas are vivid superficial lesions - cavernous haemangiomas are deep bluish swelling. Sometimes they can be both. Approximately eighty percent are located on the face and neck, with the next most prevalent location being the liver.

Although haemangiomas are benign, some serious complications can occur. They may break down on the surface to form ulcers - if deep, significant bleeding may occur. They can also grow over the larynx, or the eye, or into bone, and if particularly large can cause heart failure as your body tries to inflate large masses of useless tissue.

Or you can just live with one for 40 years, because you're poor, afraid of doctors, and your religious beliefs won't let you have any operation that might include a blood transfusion

Photos, and video, under the cut. AAARRHHHHGHHH!!!!Collapse )
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nano-liger [Feb. 7th, 2008|04:34 pm]
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wtf_nature

[charismasuicide]
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I'm sure most folks here know the mating of tiger and lion creates progeny as lofty as both parents combined.

Similarly, the 8lb Geoffroy's cat mated to a 12lb house cat creates the 30lb "safari cat" thanks to different chromosone counts in the parents (geoffroy's cat = 36, domestic cat = 38).



Safari cats were originally bred in the 70's as both companion animals and for use in leukimia research. Male safari cats are sterile, females are not (and have been used to create cats that are 75% Geoffroy's). It is estimated there are less than 30 in the world today.
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Barnacles Go To Great Lengths To Mate [Feb. 7th, 2008|08:15 pm]
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[droserary]
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Compelled to mate, yet firmly attached to the rock, barnacles have evolved the longest penis of any animal for their size - up to 8 times their body length - so they can find and fertilize distant neighbours.

Graduate student Christopher Neufeld and Dr. Richard Palmer from the Department of Biological Sciences at the University of Alberta have shown that barnacles appear to have acquired the capacity to change the size and shape of their penises to closely match local wave conditions.

When wave action is light, a longer (thinner) penis can reach more mates, but at times of higher wave action, a shorter (stouter) penis is more manoeuvrable in flow and therefore can reach more mates.

The research, published in Proceedings of the Royal Society B, suggests that sexual selection - competition with other males, female choice, sexual conflict between males and females - is not required to explain variation in genital form.

In barnacles, this variation appears to be driven largely by the hydrodynamic conditions experienced under breaking waves.

(Source.)

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Rabbit hunts snake [Feb. 7th, 2008|10:02 pm]
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wtf_nature

[dune_drd]
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No, really. Maybe he mistook it for a giant moving carrot?

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