Labels:earth | envelope | fence | microwave | person | rock | sky | windowpane OCR: FAMILY LIFE 8 The down of chicks is of2 different types The prepennae the first down and it precedes the pennaceous or regular feathers When the regular feathers emerge from the same follicles as the prepennae down The emerging pennaceous flight feathers of the wing are clearly seen here. The prepennae down is forced out and adheres to the tips of the feathers, giving the nestling plummage fuzzy appearance contents ontions 4inb bookmark last menu dark plumimage options quit