Digital composite of Gray Wolf silhouette Grey Wolf howling at the full moon in Monument Valley, Arizona, USA.狼 - 野狗, 灰狼, 月亮
Canadian wolf howls at the Wolfcenter in Doerverden, 19 December 2016. Following an expansion, the Wolf Centre is now a rescue station where injured...
Tourists Colleen Hazelquist and Caitlin Hazelquit, of Riverside, Calif., battle the howling winds as they walk by the west side of the Capitol on...
April 2018, Germany, Cleebronn: European wolves howling at Tripsdrill Wildlife Park. Photo: Sebastian Gollnow/dpa