Sandhill cranes and mallard ducks, Bosque del Apache National Wildlife Refuge, New Mexico, USA

water bird ecoregion vertebrate natural landscape natural environment beak body of water mammal grass morning plant grassland bank tidal marsh plain freshwater marsh animal migration adaptation landscape waterfowl meadow lake flock grass family water bird bird migration seabird ciconiiformes wetland crane salt marsh wildlife marsh sandhill crane wilderness prairie pelecaniformes fen ducks, geese and swans nature reserve bog crane-like bird heron field evening pond tundra tree herd