Горобець чорногрудий Passer hispaniolensis

Similar in size and shape to House Sparrow. Breeding season males have a heavily streaked black breast and back and a rufous crown and nape. Males are duller in the nonbreeding season. Females are very difficult to separate from female House Sparrows but tend to have bigger bills and paler bellies. Colonial, builds huge stick nests, often in/under White Stork nests.