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New Dino Was Victim of Feeding Frenzy
13-05-2009 2:30pmRegistered Users Posts: 30,746 ✭✭✭✭Join Date:Posts: 29410
So in one corner we have...
A pack of blood-thirsty Troodon
....and in the other corner,
some helpless baby duck-bills.
I call mis-matchThe discovery of a gruesome feeding frenzy that played out 73 million years ago in northwestern Alberta may also lead to the discovery of new dinosaur species in northwestern Alberta.
University of Alberta student Tetsuto Miya****a and Frederico Fanti, a palaeontology graduate student from Italy, made the discovery near Grande Prairie, 450 kilometres northwest of Edmonton.
Miya****a and Fanti came across a nesting site and found the remains of baby, plant-eating dinosaurs and the teeth of a predator. The researchers matched the teeth to a Troodon, a raptor-like dinosaur about two metres in length. This finding has opened new doors in dinosaur research on this part of the continent: 'It established that dinosaurs were nesting at this high latitude,' said Miya****a. 'It also shows for the first time a significant number of Troodons in the area [who] hunted hatchling dinosaurs.'
Over the course of two summers of field work Miya****a and Fanti began building a theory that Grande Prairie is a 'missing link' between known dinosaur species that existed much further to the north and south. 'Prior to this there were no localities with a variety of dinosaurs and other animals between Alaska and southern Alberta,' said Myia****a. The list of new finds for the area includes armoured and thick-headed plant eaters and fossilised freshwater fish and reptiles.
Miya****a says this small pocket of previously undiscovered life could have had interactions that lead to the evolution of new species.
'New dinosaurs weren't created by interbreeding,' said Miya****a. 'Having a variety of dinosaurs in one area creates new ecological interactions such as competition for food and predation.
'That can lead to the evolution of a new species.'
One Grande Prairie dinosaur the researchers suspect is a new species is the Duck bill. Miya****a says unlike the Duck bill found further north in Alaska, the Grande Prairie has a visible bump or crest on its forehead. The pair will go back to Grande Prairie area in 2010 to focus on finding other dinosaur species in the area.