RMFJ5B7X–great grey owl (Strix nebulosa), sitting on a mossy lookout

RF2DCN4TA–The great grey owl or great gray owl (Strix nebulosa) is a very large owl, documented as the world's largest species of owl by length.

RMF7BBAM–Great Grey Owl

RMFXW43Y–Great Grey Owl; Strix nebulosa Single; Face UK

RFH86YA1–Great grey owl (Strix nebulosa) perched in a tree in winter in Canada

RMKN00DP–Close-up of a perching great grey owl in Finland, winter

RFM6G9NW–Portrait of one of largest owl - Great grey owl - Strix nebulosa

RMG18EAY–Great Grey Owl in flight, hunting

RFW67YW6–Great Grey Owl in Tree

RMC5WDEG–Great Grey Owl, Lapland Owl (Strix nebulosa), peering around tree.

RFF4RPHD–Great grey owl (Strix nebulosa), captive, Vulkaneifel, Germany

RMEEKD0K–Great grey owl / great gray owl (Strix nebulosa) male bringing mouse to nesting female to feed the chicks in tree in forest

RMFJ0G3G–Great Grey Owl, Pelm, Kasselburg, Eifel, Germany, Europe / (Strix nebulosa)