Laboratório de Tecnologia Educacional BIBLIOTECA DIGITAL               DE CIÊNCIAS

48cm Identification: the body is mostly cinnamon with dark streaks on the wings. It may be locally the commonest duck, especially in Southern Brazil wetlands, where its hunting is allowed provided the state’s quotas are respected. Regarding its habitat this species tends occur in open wetlands, surrounded by grasslands. Feeds mainly by grazing small grasses on the lake shores or underwater but also eats aquatic plants, aquatic insects and small fish. It may build the nest either in a tree hole or on the aquatic plants. The female lays from 8 to 14 eggs that are sat for about one month. The offspring start to fly within 55 days after hatching.

Physical appearance: 40 cm. The feet are red and webbed. The chest is brown, as well as the face that is a bit darker. There is a patch of iridescent feathers in the wings. When flying it shows a large white spot at the back of the wing. The male has a red beak and the female’s is blue. The Female also has white spots on the face. Distribution: From Venezuela to Argentina. Habitat: Wetlands, lakes, ponds and rivers even in polluted places. Diet: Feeds on seeds, leaves and small invertebrates. The hatchlings are goot at catching insects. Reproduction: Lays up to 14 bluish or greenish eggs. When the adult realizes the presence of a potential predator it distracts its attention...

48 cm. The face is grey, the chest cinnamon and the belly black. There is a large white spot in the wings, more evident when flying. The beak and feet are red. Males and females are similar. The immature is grayish brown Distribution: From Texas (U.S.A) to Bolivia and Argentina. Habitat: Lives in lakes, rivers, wetlands and even in mangroves. Diet: Feeds on leaves, small seeds and aquatic invertebrates. Reproduction: The nest is built on the ground or hollow trees. The eggs are white, sometimes greenish or bluish. More than one female may lay eggs in the same nest and sometimes may even lay eggs in other species’s nests such as the white faced whistling duck (Dendrocygna viduata)....