The arrival of blue-winged teal signals the start of the fall migration. Return to top of page. Bald eagles return to nest, and many butterflies, including the sulfur, swallowtail, and skipper feed along the roadsides. This month also sees a blaze of brilliant autumn wildflowers. This month sees the arrival of the migratory Monarch butterfly.
Northern harriers return to hunt over the refuge marshes.
November generally brings in the cold weather, so butterflies and wildflowers become scarce. Waterfowl populations reach their peak between Thanksgiving and Christmas.