Kokan tattoo photos

Monday, October 31, 2016

Embryos Sand Tiger Sharks Devour Their Siblings While in the Womb

While in the in the mothers' wombs, sand tiger sharks embryos fight each other, the largest embryo eating all except on of it siblings, engaging an unexplained cannibalism behavior.

A recent research suggests that the reason of such cannibalism behavior is the fight for paternity, a kind of natural selection, where babies from different father fight to survive and be born.After a nearly year long of gestation, the mothers sand tiger sharks give birth to two babies sharks of 3.3 feet (1m) long after a , while the Full-grown is about 8.2 feet (2.5 m).

According to the study, the the sand tiger shark females mate with multiples partners and the cannibalism strategy is an evolutionary strategy wherein the most aggressive male sharks father the ultimately successful baby and thereby out-compete rivals, The Washington Post reported.

To find out, Scientists studied the samples from 15 pregnant females sharks. using the DNA analysis to determine the paternity. "It's exactly the same sort of DNA testing that you might see on Maury Povich to figure out how many dads there are," Chapman underlined. 10 female sharks carried just two embryos, while the rest in early stage of gestation have five to seven embryos.

the females sharks with seven embryos had at least two fathers while females with two embryos most of time had just one one father. possibly the one that grew biggest first tended to devour embryos from other fathers over its full siblings. this can mean that the loser fathers ultimately provided food for a rival male.

Lamb with human like features including eyes nose and mouth

A disturbing video has emerged showing a lamb born with human-like features in a Russian village.

The lamb's head had the eyes, nose and mouth of a human and only the ears were those of a sheep. After it was born, the lamb made a number of peculiar grunting noises as it was nuzzled by its more usual looking mother.

It was born in the village of Chirka, close to the Russian republic of Dagestan.

Sheep farmer Blasius Lavrentiev, 45, had been expectantly waiting all week for his prized ewe to give birth.

But he had a nasty shock when saw the human-like creature as he was hoping to sell the lambs.

He said: 'We had quite a tough winter but when I noticed she was pregnant I was delighted as it meant I would be able to sell the lambs and start making some money again.

'But when I went down to see how it was going I nearly died.'

Last year, the Villalba family from Centro, north-western Argentinian province of Salta, were accused of bestiality when one of their goats gave birth to a calf with a 'human' head and the images were posted on social media.

The farming family were subjected to abuse and horrifying accusations by superstitious locals when the images went viral.

The family were bombarded with accusations that somebody among their number had been having sex with their goat and had to strongly refute the claims.

Source

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