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AUDIO:The discovery of Albertosaurus is recreated by paleontologist Philip Currie

The amazing fossil discovery of a huge carnivorous dinosaur in southern Alberta a century ago has been retraced and explored by a Canadian paleontologist.

Philip Currie, professor and Canada Research Chair in dinosaur paleobiology at the University of Alberta, recreated the voyage of dinosaur hunter Barnum Brown this past summer to celebrate the 100th anniversary of Brown's discovery of Albertosaurus. The huge carnivore is closely related to Tyrannosaurus rex.

Currie floated down the Red Deer River in a flat-bottomed boat built by colleague Darren Tanke and ended his 14 years of work at the Albertosaurus bone bed.

Currie's excavation started in 1996 after he stumbled upon Brown's forgotten Albertosaurus collection at the American Museum of Natural History in New York City and tracked down the original fossil site. He eventually found the remains of 26 Albertosaurs ranging in age from less than two years to the mid-20s, and in size from two metres to 11 metres long.

Currie recounted his voyage and the story of the Albertosaurus on CBC Radio's Quirks & Quarks.