Another reason birds migrate is because as the daylight hours become shorter it directly decreases the foraging time to find the scarce insects, berries and seeds.
(birds; migrate; ) (Another reason birds migrate; is; because as the daylight hours become shorter it directly decreases the foraging time) (the daylight hours; become; shorter) (it; directly decreases; the foraging time to find the scarce insects, berries and seeds; T:as the daylight hours become shorter)
birds Another reason birds migrate the daylight hours it
migrate is become directly decreases
because as the daylight hours become shorter it directly decreases the foraging time
shorter
the foraging time to find the scarce insects, berries and seeds T:as the daylight hours become shorter