Grand Canyon: From Dinosaurs to Dam - S15.E11 - Natural World
Looks at the wildlife that inhabits the Grand Canyon today, and how the ecology of the area has been affected by the building of two huge dams. Originally home to dinosaurs, it is now occupied by a strange mixture of species from bighorn sheep to ravens, lizards and tarantulas.
Grand Canyon: From Dinosaurs to Dam - S15.E11 - Natural World
February 16, 1997
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