Request #520 From Rebecca

This is a bit younger than your normal fare, but: A girl and her grandfather in Japan.  Her grandfather keeps a pet peacock.  The girl keeps saying “spread your tail you silly peacock” and the bird refuses, until the end when he shows her his tail.  It’s driving me crazy, and has been for decades.  I read it in the mid- to late-80s, from the children’s section of the Oak Park library just outside of Chicago.