October 3 Larch trees, the only northern deciduous conifer, turn yellow. Oct 4-5 After heavy rains, spotted salamanders burrow in the forest leaf cover for the winter. Marbled salamanders lay eggs in the rising waters of vernal pools. October 7-8 Look inside goldenrod flowers for yellow crab spiders. Oct. 9 First dark-eyed juncos arrive from the north.
Rusty blackbirds begin moving through .
Blue jays shift their range about this time. October 10-12 First heavy frosts may occur. Oct. 13 Watch for large congregations of blackbirds. October 14 Height of the fall color occurs. Watch for the Great Square of Pegasus, nearly overhead if the night is clear.