Mallard duck wolf form notes_101 males: green heads and dark brown splash on the chest. separated by a white ring on the neck. pale colored nose. black and black markings on the wing. black and white tail feathers females: dappled brown. more shaded colored nose. blue marking (not visible in picture. Species identification: - broad chests - male and female color patterns - bushy tails for swimming. - stocky body for staying afloat and taking flight strength. - thick feathered wings for easy take off