Next time the echidna mates, he’ll alternate which half he uses.īy shutting down half of their penis at a time, male echidnas fit perfectly with the female’s two-branched reproductive tract. But those extra two heads aren’t there just to show off. During copulation, echidna penises operate on a part-time schedule: half the penis temporarily shuts down while the other two heads are responsible for fertilization. Or so it seems for the echidna, a spiny egg-laying mammal, which has evolved a four-headed penis. Here are eight penises that are as cool and surprising as the creatures that wield them: Heads Above the RestĮchidnas have a four-headed penis, though only two heads are put to use at a time. These blurred lines often give rise to nature's most fascinating sexual organs. “There's not a binary that is categorically one thing or the other when it comes to genitalia,” says Willingham. Many of the creatures packing the most surprising phalluses are hermaphrodites, meaning they also have female reproductive organs. Gender and sex rarely fit into tidy categories and animal penises are no different. Typically, a penis helps male animals reproduce sexually with a female-however, exceptions exist. One explanation for this research gap, says Willingham, is “because of who has been asking the questions until quite recently, and who's been deciding how those questions should be answered.” Penises have been a longstanding subject of scientific fascination, and they’re far more studied than vaginas. Phallacy plunges readers into the wild and wacky world of animal genitalia while exploring the social and cultural significance of penises as symbols of power and identity. Her book, Phallacy: Life Lessons from the Animal Penis, hit shelves in September. Just ask Emily Willingham, a biologist and journalist who’s been studying penises for over a decade. The more scientists learn about penises, the more they realize how varied sex organs are. Across vastly different species and ecosystems, unique environmental pressures have allowed creatures of many species to evolve an array of shapes and sizes-from the electric blue penis of the leopard slug to the blue whale’s ten-foot phallus. If you have other ideas for great platypus songs, let us know on Facebook or Instagram.Birds have them, bees have them, even regular old fleas have them, but in the animal kingdom, no penis is exactly like the next. Shoutout to Head Automatica, Andrew Tuttle and Fantastic Negrito who all have titles that reference the platypus. If it turns out that BJA actually does hate the animal platypus, he should be banned from Australia forever. It's a shame, cos it's a pretty great display of Green Day's handle on melodic aggression. There's also a little bit of language in there that really needs to be left in the past. It's all pretty childish, and honestly the whole story feels a bit icky when you learn more. But I know social media will eviscerate me if it's not on here.īillie Joe Armstrong doesn't even use the word 'platypus' in the song, and it's widely acknowledged that the song is written as an attack on Tim Yohannan, founder of notorious Californian punk hangout 924 Gillman Street, who allegedly dissed Green Day for being too 'pop'.
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