Machu Picchu Mountain is greener than the Huayna Picchu trail and has many kinds of wild orchids and birds that highlight the path. It is higher than Huayna Picchu, topping out at 10,104 feet.
However, when the female Mallard duck lay eggs, her diet changes to include more animal life than plant matter. In general, Mallards typically eat more plants than animals, and they also eat more plants in the fall and winter seasons. Food selection also has to do with the shape and style of the Mallard's bill.
Wild ducks eat a wide range of different foods and they are constantly foraging for meals and snacks. Foods ducks regularly eat include: 1  Small fish and fish eggs. 2  Snails, worms and mollusks. 3  Small crustaceans. 4  Grass and weeds. 5  Algae and aquatic plants and roots. 6  Frogs, salamanders and other amphibians.