Tebe heen Usb BeOtNe BUTI ET N 3 
Female wood duck sitting in entrance of nest box just 
before bringing out a brood of young. Chautauqua 
Waterfowl Refuge, Illinois River near Havana, Illinois. 
installed them along the Illinois River and watched them during the past 
three years. Their work will be heard of far and wide because it is new and 
interesting and important. 
Aside from filming the wood ducks, most of my experience with nest 
