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% replaces any number of letters (la% - lake, lamp)_ replaces one letter (ca_ - car, cat)

Crossword clues for Hibernation spots:

DEN: Bear hibernation spot
DEN: Hibernation spot
DEN: Bear's hibernation spot
LAIR: Hibernation spot
LAIRS: Hibernation spots
ANTARCTIC: Admiral Byrd's favorite hibernation spot.
DENS: Hibernation spots
DEN: Spot to hibernate
LAIR: Spot for hibernation