The Spanish sparrow is distinguished from the house sparrow by a chestnut crown and black-streaked underparts (see House Sparrow). It interbreeds with the house sparrow, producing hybrids with shared characteristics.
Lives in large flocks. Builds domed nests or reuses nests abandoned by other birds.
Near water in the valleys of western Jordan, including Wadi al-Seer. Population increases with winter visitors and range expands to include southwestern Jordan and the Azraq region. Builds domed nests or reuses nests abandoned by other birds.