The Old Farmer's Almanac says the moon got the nickname because wolves were likely heard howling in mid-winter. Wolf experts say the pack may be howling during full moons for other reasons.

The presence of the moon when a wolf howls, as it turns out, is purely coincidental and circumstantial. “Canine experts have found no connection between the phases of the moon and wolf howling ...

The Old Farmer's Almanac says the moon got the nickname because wolves were likely heard howling in mid-winter. Wolf experts say the pack may be howling during full moons for other reasons.