加拿大森林狼 (Canis lupus) 是大型犬科动物，栖息在北半球大部分地区。它们也被称为灰狼，是大型的广食性掠食者，能捕到的猎物几乎都吃，且能在多种不同环境中生存。
Latin Name
Canis lupus
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timber-wolf
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Animal Facts
Wolves, with the exception of some breeds of domestic dog, are the largest canid species.
Wolves howl as an alarm call, to assemble the pack, to locate each other if they get separated, or to communicate across long distances.
In North America, wolves have hybridised with domestic dogs, which has introduced black colouration into the wolf population.
Wolves in cold countries can withstand temperatures of -40ºC. When it is this cold, wolves lie close to the ground and use their tail as a muffler over their face.
Wolves are apex predators; they are only threatened by humans and tigers.