It has a very thick fur coat which is usually white in winter but a little yellowish in summer.
(It; has; a very thick fur coat which is usually white in winter but a little yellowish in summer) (a very thick fur coat; is; T:usually; white in winter but a little yellowish in summer)
It a very thick fur coat
has is
a very thick fur coat which is usually white in winter but a little yellowish in summer
T:usually white in winter but a little yellowish in summer