Species Maps

House Sparrow (Passer domesticus)
Breeding Bird Atlas blocks
All observations (not just breeding activity) between 1987-1995
(9 square miles/block)
House Sparrow (Passer domesticus)
NatureMapping observations by townships during the breeding season.
(36 square miles = township)
House Sparrow (Passer domesticus)
NatureMapping observations by townships throughout the year.