The Great gray owl

"Three Canadian naturalists set up a tower blind after building a nest to attract great gray owls. The owls accept the nest and viewers are able to observe the birds as they hunt and raise their young."@en
"Three Canadian naturalists set up a tower blind after building a nest to attract great gray owls. The owls accept the nest and viewers are able to observe the birds as they hunt and rear their young."@en
"Presents observations of the great gray owl, the largest and rarest owl in North America. Follows the efforts of three Canadian naturalists and filmmakers who build a nest for the owl and a tower blind for themselves in order to photograph the owl's behavior."@en