This is a possibly extinct duck that was last seen in the wild in 1949. It was endemic to India, Bangladesh, and Myanmar, and had a distinctive pink head and neck. Its habitat was swamps and marshes, which have been largely destroyed or degraded by human activities.
This is a critically endangered duck that is endemic to the Laysan Island in the Hawaiian Archipelago. It has a small and isolated population of about 500 birds, and faces threats from habitat loss, predation, disease, and climate change. It is the only survivor of an ancient lineage of Hawaiian ducks.
This is a critically endangered duck that is endemic to the Campbell Island in New Zealand. It was once widespread on the island, but was driven to the brink of extinction by introduced predators, such as rats and cats. It was saved by a captive breeding and reintroduction program, and now has a population of about 300 birds.
This is an endangered duck that is endemic to Madagascar. It has a population of about 2,500 to 10,000 birds, and faces threats from habitat loss, hunting, hybridization, and competition with introduced species, such as mallards and red-billed teal. It is a shy and secretive duck that prefers marshes and wetlands.
This is a critically endangered duck that is native to Brazil, Argentina, and Paraguay. It has a population of less than 250 birds, and faces threats from habitat loss, pollution, dams, and human disturbance. It is a specialized fish-eater that inhabits fast-flowing rivers and streams.