thumb|Philippine ducks in the [[Candaba Swamp]]
The Philippine duck (Anas luzonica) is a large dabbling duck of the genus Anas. Its native name is papan or patong gubat which translates to "forest duck" in Tagalog. It is the only endemic duck in the Philippines but has been recorded as a vagrant in Taiwan and Japan. Its habitat in a wide variety of wetlands from mountain lakes, marshes, small pools, streams, rivers, salt pans and even coastal waters where it feeds on shrimp, fish, insects and plant matter. This species has declined considerably since the 1960s because of hunting and habitat loss and is now listed as a Vulnerable species.
Description
The Philippine duck is a large conspicuous duck. It has a black crown, nape and eye stripe, with a cinnamon head and neck. The rest of its body is greyish brown with a bright green speculum. Its legs are greyish brown, and its bill is bluish-grey. Male body mass averages , and the slightly smaller female averages .
Taxonomy
The Philippine duck is a dabbling duck and a member of the genus Anas. It has no subspecies and so it is monotypic.
The scientific name comes from the Latin Anas, 'duck' and the Philippine island Luzon.
It is known in the Philippines as papan or patong gubat.
Distribution and habitat
The Philippine duck is known to inhabit all of the major Philippine islands and 8 minor islands, but since the 1980s most sightings have been on Luzon and Mindanao. Long-distance vagrants have been sighted in Okinawa and Taiwan.
It is found in all types of wetlands within its range, but its preferred habitat is shallow freshwater marshland.
Conservation status
The Philippine duck is listed as Least Concern on the IUCN Red List with the population estimated to be 15,000 - 30,000 mature individuals.