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A sea wight mentioned in thirteenth - century Old Norse ms , which historian think was a kraken - like mythological monster , is actually awhaleusing a search strategy known as trap or tread - water alimentation , a new discipline discover .
Scientists onlydescribed this eating behavior around a tenner ago , after they spotted humpback whale ( Megaptera novaeangliae ) and Bryde ’s heavyweight ( Balaenoptera brydei ) waiting with their mouthpiece widely exposed in a motionless , upright locating at the open of the water . unsuspicious shoal of fish comprehend the gaping jaws as shelter and float direct into the deadly lying in wait .
A Norse sea monster of legend was probably a whale, scientists say.
A clip of a Bryde’swhale performing this tactic went viral on Instagramafter boast in a BBC documentary serial publication in 2021 .
" I was read some Norse mythology and notice this animate being , which resembled the viral whale prey behavior,“John McCarthy , a maritime archaeologist in the College of Humanities , Arts and Social Sciences at Flinders University in Australia , told Live Science . " Once we started to investigate a morsel further , we noticed the latitude was really quite spectacular . "
Marine life scientist , archaeologists and medieval literature and voice communication expert teamed up to investigate the similarity between the demeanour of the mediaeval fiend , discover " hafgufa " in Old Norse manuscript , and this whale alimentation strategy . The survey was published Tuesday ( Feb. 28 ) in the journalMarine Mammal Science .
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A detailed accounting of the hafgufa , which transform to " sea mist , " appear in a 13th - century manuscript holler " Konungs skuggsjá " ( the " King ’s Mirror " ) drop a line for the Norse King Hákon Hákonarson , who reigned from 1217 to 1263 . But researchers have trace citation to the hafgufa back to a 2d - century A.D. Alexandrian text promise " Physiologus , " which contain drawing of a whale - like beast , referred to as " aspidochelone , " with fish leaping into its mouth .
agree to the research worker , medieval mariners in all likelihood bed that the hafgufa was a type of whale and not a antic ocean lusus naturae . " Norse people were huge seafarers . Most of the trips masses would take in the Middle Ages in Scandinavia were sportfishing trips , so they had a very high stratum of noesis concerning the tide , the currents , the wave shape , as well as the fish,“Lauren Poyer , an assistant professor in the Department of Scandinavian Studies at the University of Washington , told Live Science .
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Nevertheless , some mediaeval accounting indicate that mariners landed their ship and lit ardour on the hafgufa ’s island - like back . Only in the eighteenth 100 , however , did writer equate the creature to a leviathan , the kraken or even a mermaid . " I would call it a misuse of the medieval sources , " Poyer said .
" The tendency is to dissolve knightly business relationship of the born world as misinformed and inaccurate , " McCarthy say . " In fact , although their framework of noesis was quite dissimilar , they were able to give a precise verbal description of this character of heavyweight in the 13th century . It was later on , in the absence of being cognisant of this feeding phenomenon , that 18th century writers invented this sea creature and made these errors . "
In the Old Norse manuscripts , the hafgufa emits a perfume that attracts fish into its mouth . According to the new study , this special smell could refer to the " rotten cabbage " olfaction associated with whale feeding . Humpback and Bryde ’s whales also produce a distinct smell when they puke their food to lure more target into their stationary jaws .
So why did modern scientist only recently find out about it ? One explanation is that engineering such as drones enable us to watch hulk population more easy than before , McCarthy said . The 2nd explanation is that " whale populations are just beginning to recover towards their rude , pre - whaling sizing and their behavior is alter as their number go up . "
" If we take these as medieval eyewitness account , then it ’s not the twenty-first 100 when we first observe [ the whale doings ] , it ’s actually at least 1,000 years ago , " Poyer articulate .
