In the summer, the dorsal fur is chocolate brown while the ventral fur extending to the upper lip is yellowish white.
(the dorsal fur; is; chocolate brown; L:In the summer) (the ventral fur; extending; to the upper lip) (the ventral fur extending to the upper lip; is; yellowish white)
the dorsal fur the ventral fur the ventral fur extending to the upper lip
is extending is
chocolate brown L:In the summer
to the upper lip
yellowish white