Great Gray Owl

The great gray owl (Strix nebulosa) is one of the largest owls in the world by length, though it is surprisingly light. In Banff National Park, it is a rare and elusive resident of the subalpine forests.

Identification

Large (2–2.5 ft long), with a massive head, a large facial disc with concentric rings, and bright yellow eyes. Despite its size, its body is relatively small; its bulk comes from its thick, soft plumage, which allows for silent flight. It lacks “ear tufts” common in other large owls.

Habitat and Hunting

Great gray owls prefer mature forests near open meadows or bogs. They have exceptional hearing and can detect the movement of voles and other rodents beneath deep snow, diving through the surface to capture their prey. They are primarily crepuscular (active at dawn and dusk).

Viewing

They are very difficult to spot due to their excellent camouflage and silent behavior. Look for them perched on branches at the edge of clearings in the early morning or late evening. Please maintain a quiet and respectful distance to avoid disturbing these sensitive birds.