Every now and then , the net " discovers " something you just sort of assume everyone knew .

Like , for example , that pufferfishinflate themselves with waterand not air . It seems logical that hoi polloi would assume that fish   – which excellently stay underwater when they are not dead   – make full up with water when they inflate themselves .

But apparently Brobdingnagian wrapping of the Internet learn their information on pufferfish from the submerged tier inSuper Mario .

But the latest " find " is one I ’ll take I was n’t expecting . For some reason , I saw a koala and get into " the adorable teddy bear emphatically makes some sort of sluttish squeaking sound at all times " and thought nothing further of it .

Well , I was incorrect . And I ’m guess the phone you ’re imagining is also improper . distich yourselves .

People have interracial opinion .

Koalas really let out a image of noises , including high - pitched squeaking crying sound as demonstrated by this poor koala when it was give up out of its Sir Herbert Beerbohm Tree .

Sidebar : If you ’re worried about the poor little thing , it won the tree back in the ending .

" This poor footling Koala is endeavor to stake out it ’s own territory when it is kick out of the tree by a big bully , " Koalaficationwrote on YouTube . " persistency pay off as this brave youthful Koala claimed the tree all to himself by nightfall . "

The sound they ’re make in the viral video recording ( a sort of pig sweep with a snoring military personnel crossed with a minibike ) is the   mating call of a male kangaroo bear .

" Koalas might look cunning , but they can grow roaring sounds during pair season that have been equate to a donkey braying and a frog vomiting ! Keepers caught our new male , ‘ Storm ’ [ in the telecasting below ] , in full voice this week , " Taronga Zoo Sydneyexplained on YouTube .

" Research suggests manly native bear like Storm let out these trenchant call to appeal female person and stave off encounter with challenger . "

So there you have it , he does n’t always sound like that , he was just ruttish .

Now , as a palate cleanser , please enjoy this video of a porcupine revel some maize and letting out the most lovely auditory sensation since records began .