Gramas gotta watch out.
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Gramas gotta watch out.
Duck genitals locked in arms race
http://www.cosmosmagazine.com/files/...ckgenitals.jpgQuote:
Female ducks have evolved "maze-like" genitals with many twists, pouches and dead ends, in a bid to prevent rape and retain control of who fathers their offspring – while male ducks have evolved equally convoluted penises to keep up.
Patricia Brennan, an American reproductive biologist at Yale University in Connecticut, found that some ducks and geese have co-evolved elaborate genitals in an "evolutionary arms race" between the sexes.
Ducks, especially mallards, are one of the few species of birds in which males will often rape females, in a violent act which can result in injuries or death by drowning. The females fight back by preventing successful fertilisation, said Brennan. In fact, of the 40 per cent of matings which are a result of forced copulations, only around four per cent are successful.
Quote:
Male (right) and female (left) duck genitals have evolved elaborately convoluted corkscrew shapes.
That's messed up.
I think that's in here already.
Could be. Wouldn't be the first time something I'd seen before came back around and I thought it was new because I've got a bad memory.Quote:
Originally Posted by Fool
That one's worth a second go. Evolving rape penises is insane.
http://www.cnn.com/video/#/video/us/....penguins.kron
This one is for Giffman.
http://www.scientificamerican.com/ar...of-the-phallusQuote:
Originally Posted by Fool
19 Arrested In Canary-Fighting Investigation
http://www.wfsb.com/news/20183100/detail.htmlQuote:
Police said 150 birds were seized in a canary-fighting investigation in Shelton on Sunday.
Police said canaries and saffron finches were seized and 19 people were arrested at a Ripton Road address.
“There was 100 canaries fighting, and they were betting on them 'til they were dead. It’s absolutely shocking,” said neighbor Marion Sega.
Police said they served a search warrant at the home after receiving a tip that an illegal bird fight involving 150 canaries and finches was scheduled to take place on Sunday.
Thats weird