It is the time of year I see many different species of birds beginning their annual migration south for the winter.
(It; is; the time of year I see many different species of birds) (I; see; many different species of birds beginning their annual migration south for the winter; T:the time of year) (many different species of birds; beginning; their annual migration south; T:for the winter)
It I many different species of birds
is see beginning
the time of year I see many different species of birds
many different species of birds beginning their annual migration south for the winter T:the time of year
their annual migration south T:for the winter