Adult Patagonian crested ducks (Lophonetta specularioides specularioides) feeding at low tide on Carcass Island, Falkland Islands

lophonetta specularioides feeding low tide carcass island wildlife waterfowl nature birds foraging seabirds falkland islands animals aquatic habitat shorebirds food search wetlands natural behavior ecology biodiversity coastal environment marine life duck species avian activity plumage migration observation world animal water habits scavenging hunting conservation ecosystem ornithology identification wetland endemic birdwatching