According to Birds of North America, both sexes hunt and feed young. Adult brings food to nest, tears off small pieces, and delivers them to young at early age. Male provides most of food in first 2 wk, while female tends young in nest.   After 3–4 wk, female delivers as much prey as male.  After 3–4 wk, young able to peck at food but not able to tear off food and feed self until 6 wk.

6 photos posted:  http://www.pbase.com/birdshots/image/150246788   Click “next” in upper right to advance frames….enjoy!!