This house sits on a site that borders the 160 acre Rio Grande Nature Center to the south and the Rio Grande River corridor to the west. The wildfowl habitat is on a major migratory flyway hosting snow geese, sand hill cranes and even the occasional endangered whooping crane. The house is designed to maximize views of the bird habitat and to take advantage of the solar exposure. Materials and finishes are simple and sustainable where the major building material is honed block. Glass is used to blend indoor and outdoor living spaces. The major living areas align the southern exposure and view windows. Overhangs protect these areas from the high summer sun but exploit the low exploit the low winter sun for passive heat gain. The house sits below the ancient cottonwoods with distant views of the Sandia mountain range to the east, the Rio Grande Bosque to the west and abundant migratory wildfowl to the south.