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Newcastle University: Engineers and biologists team up to reveal how seals evolved to swim


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New research combines cutting-edge engineering with animal behaviour to explain the origins of efficient swimming in Nature’s underwater acrobats: Seals and Sea Lions.
Seals and sea lions are fast swimming ocean predators that use their flippers to literally fly through the water. But not all seals are the same: some swim with their front flippers while others propel themselves with their back feet.
In Australia, there are fur seals and sea lions that have wing-like front flippers specialised for swimming, while in the Northern Hemisphere, grey and harbor seals have stubby, clawed paws and swim with their feet. But the reasons why these two different ways of swimming evolved has perplexed biologists for generations. Is one style better than the other? ....

South Australia , Alistair Evans , Shibo Wang , David Hocking , Ben Burville , Fiona Anderson , Sea Lions , Newcastle University , Newcastle University Dr Ben Burville , Monash University , Monash University School Of Biological Sciences , Aerospace Engineering , Northern Hemisphere , Monash University Led , Current Biology , Monash University School , Biological Sciences , Fluid Dynamics , Taronga Zoo , Associate Professor Alistair Evans , தெற்கு ஆஸ்திரேலியா , அலிஸ்டர் எவன்ஸ் , ஷிபோ வாங் , டேவிட் ஹாக்கிங் , பியோனா ஆண்டர்சன் , கடல் சிங்கங்கள் ,

Engineers and biologists reveal how seals evolved to swim


Monash University
Video: vision of seals swimming in zoos with explanations
Graphic:seal species and their flippers
Graphic: Seal flipper anatomy
Image: Leopard seal flipper and 3D models
New research combines cutting-edge engineering with animal behaviour to explain the origins of efficient swimming in Nature’s underwater acrobats: Seals and Sea Lions.
Seals and sea lions are fast swimming ocean predators that use their flippers to literally fly through the water. But not all seals are the same: some swim with their front flippers while others propel themselves with their back feet.
In Australia, we have fur seals and sea lions that have wing-like front flippers specialised for swimming, while in the Northern Hemisphere, grey and harbor seals have stubby, clawed paws and swim with their feet. But the reasons why these two different ways of swimming evolved has perplexed biologists for generations. Is one style better than the other? ....

South Australia , Alistair Evans , Shibo Wang , David Hocking , Sea Lions , Monash University , Monash University School Of Biological Sciences , Aerospace Engineering , Northern Hemisphere , Monash University Led , Current Biology , Monash University School , Biological Sciences , Fluid Dynamics , Taronga Zoo , Associate Professor Alistair Evans , தெற்கு ஆஸ்திரேலியா , அலிஸ்டர் எவன்ஸ் , ஷிபோ வாங் , டேவிட் ஹாக்கிங் , கடல் சிங்கங்கள் , மோனாஷ் பல்கலைக்கழகம் , மோனாஷ் பல்கலைக்கழகம் பள்ளி ஆஃப் உயிரியல் அறிவியல் , விண்வெளி பொறியியல் , வடக்கு அரைக்கோளம் , மோனாஷ் பல்கலைக்கழகம் வழிநடத்தியது ,