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Temporal range: Late Cretaceous
|An artist's illustration of Canadaga arctica|
| †Canadaga arctica|
Canadaga (meaning Canadian bird) was a Hesperornithine from late Cretaceous Kansas, USA. It was about 4.9 ft (1.5m) long and weighed about as much as a beaver. The last, and largest known, Hesperornithine.