Southern pochard Southern pochard The southern pochard ("Netta erythrophthalma") is a species of duck, and a member of the genus "Netta". There are two subspecies, the South American (southern) pochard "N. e. erythrophthalma" (Wied-Neuwied, 1833) and the African (southern) pochard "N. e. brunnea" (Eyton, 1838). The South American pochard has a fragmented range and is found from Colombia, Venezuela, Brazil, Ecuador, Peru, Bolivia and Argentina to Chile. Here it occurs in a wide variety of shallow fresh waters with submerged vegetation, from the lowlands up to 3,700 metres. The African pochard occurs from the Cape to the Ethiopian highlands on water bodies
Bird flight Bird flight Bird flight is the primary mode of locomotion used by most bird species in which birds take off and fly. Flight assists birds while feeding, breeding, avoiding predators, and migrating. Bird flight is one of the most complex forms of locomotion in the animal kingdom. Each facet of this type of motion, including hovering, taking off, and landing, involves many complex movements. As different bird species have adapted to specific environments, prey, predators, and other needs, they have developed varied forms of wings and varied forms of flight. Research into how birds fly has yielded various theories as