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Was Spinosaurus an Underwater Killer or a Giant Wading Bird?


Was This Dinosaur More Subaquatic Killer or Giant Wading Bird?
A new study challenges the hypothesis that spinosaurus pursued its prey in the currents of prehistoric rivers.
A life reconstruction of spinosaurus foraging in water.Credit.Bob Nicholls
By Asher Elbein
Jan. 26, 2021
Ninety-nine million years ago, a 55-foot dinosaur stalked the river deltas of North Africa. A sail on its back towered over the water as its crocodile-like jaws and curved claws made short work of car-size fish.
This was Spinosaurus, discovered in 1915. Paleontologists have since debated how this creature lived. Did it prowl through currents in pursuit of prey, as recent research has suggested, or seek its quarry in the shallows more like an enormous wading bird? New evidence for this second explanation was published Tuesday in Palaeontologia Electronica, challenging a hypothesis that scientists had found a dinosaur that lived a primarily aquatic lifestyle. ....

Nizar Ibrahim , Genya Masukawa , Thomas Holtz Jr , Serjoscha Evers , University Of Portsmouth , University Of Maryland , Queen Mary University Of London , University Of Fribourg , Palaeontologia Electronica , David Hone , Queen Mary University , நிசார் இப்ராஹிம் , தாமஸ் ஹோல்ட்ஸ் ஜூனியர் , பல்கலைக்கழகம் ஆஃப் போரதிஸ்மௌத் , பல்கலைக்கழகம் ஆஃப் மேரிலாந்து , ராணி மேரி பல்கலைக்கழகம் ஆஃப் லண்டன் , டேவிட் முடிந்தது , ராணி மேரி பல்கலைக்கழகம் ,

Giant stork-like dinosaur Spinosaurus fed by snatching fish from the shoreline, study shows


Giant carnivorous dinosaur Spinosaurus snatched fish from the shoreline while also hunting for small prey on land, according to a new study into its behaviour.
Previous theories suggested the 49ft beast that lived 100 million years ago was a largely aquatic predator that used its long tail to swim and pursue fish in the water. 
The new study by Queen Mary University of London - based on analysis of other dinosaurs and lizards that lived on land or sea - found little evidence to support the idea of the massive dinosaur as an aquatic predator. 
They found it wasn t well adapted to the life aquatic and was more like a giant heron or stork stalking the shoreline for fish and small land prey animals.   ....

Queen Mary , Tom Holtz , University Of Maryland , Queen Mary University Of London , Queen Mary University , David Hone , Senior Lecturer , Principal Lecturer , Vertebrae Paleontology , Jurassic Park , North Africa , Late Cretaceous , World War , ராணி மேரி , டோம் ஹோல்ட்ஸ் , பல்கலைக்கழகம் ஆஃப் மேரிலாந்து , ராணி மேரி பல்கலைக்கழகம் ஆஃப் லண்டன் , ராணி மேரி பல்கலைக்கழகம் , டேவிட் முடிந்தது , மூத்தவர் விரிவுரையாளர் , ப்ரிந்ஸிபல் விரிவுரையாளர் , ஜுராசிக் பூங்கா , தாமதமாக கிரேதாஸோஸ் , உலகம் போர் ,