Rosy-billed pochard winter, reaching Brazil and southern Bolivia. It is a vagrant to the Falkland Islands. Rosy-billed pochard The rosy-billed pochard, alternatively named rosybill or rosybill pochard ("Netta peposaca"), is a duck with a distinctive red bill on males and a slate-colored bill on females. Though classified as a diving duck, this pochard feeds more like a dabbling duck. The species name "peposaca" is derived from a Guaraní word for "showy wings", referring to the broad white stripe that is only visible with stretched out wings. The rosy-billed pochard is endemic to South America. It is found in Argentina, central Chile, Paraguay,
Bird tracks Bird tracks Bird tracking provides a way to assess the habitat range and behavior of birds without ever seeing the bird. Bird tracking falls under the category of tracking and is related to animal tracking. A guide to bird tracking has been published. Bird tracking is a tool used by naturalists to assess what birds are present in an ecosystem even if the bird is rarely seen. In the Pacific Northwest of the United States, a program called NatureMapping collects data by educating the public and having them pool their data in a citizen science application. Data can be collected