North American species. Over most of its range in Texas and Louisiana, the fulvous whistling duck prefers to nest in rice fields on low contour levees or over shallow water among rice plants, cut-grasses, Paspalum, and cattails. Clutch size averages from 12 to 13 eggs and both male and female incubate and participate in rearing the young. They are night feeders. They are vociferous both in flight and when feeding, uttering a two-note squealing whistle, "k-weeoo" and during disputes a harsh "kee."