Why is it called a wolf moon?

Why is it called a wolf moon?
Lunar eclipses are called blood moons, because of their reddish color. ... Aside from eclipses, the January full moon is often called the Wolf Moon, according to the Old Farmer's Almanac, and may date back to Native American tribes and early Colonial times when wolves would howl outside villages.

Reference:
January Full Moon 2019: Full Wolf Moon Meets a Total Lunar ...
Jan 20, 2019

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