In the winter, they hibernate and may fly hundreds of miles to a hibernation site, usually a cave, where they remain for two to four months.
(they; hibernate; L:In the winter) (they; may fly; hundreds of miles; to a hibernation site) (they; remain; T:for two to four months; L:a hibernation site)
they they they
hibernate may fly remain
L:In the winter
hundreds of miles to a hibernation site
T:for two to four months L:a hibernation site