red-breasted merganser, Mergus serrator
['Arabian camel, dromedary, Camelus dromedarius', 'fox squirrel, eastern fox squirrel, Sciurus niger', 'dalmatian, coach dog, carriage dog', 'backpack, back pack, knapsack, packsack, rucksack, haversack', 'Samoyed, Samoyede', 'partridge', 'lens cap, lens cover']