NPSpecies

a fairly common summer resident in riparian habitat on upper Lake Mead, and an uncommon summer resident along the Colorado River upstream to Havasu Canyon (RM 156). Song Sparrow has increased as a summer resident along the river over the last twenty-five years (Yard and Blake 2003). It is a fairly common winter resident along the entire length of the Colorado River and in tributary riparian habitat. Elsewhere in the region it is a rare spring and fall migrant. Conditions may vary among subspecies. Data source: Gatlin, BP. 2011. Annotated Checklist of the Birds of the Grand Canyon Region. 3rd edition.

For (Melospiza melodia) * Song Sparrow is a fairly common summer resident in riparian habitat on upper Lake Mead, and an uncommon summer resident along the Colorado River upstream to Havasu Canyon (RM 156). Song Sparrow has increased as a summer resident along the river over the last twenty-five years (Yard and Blake 2003). It is a fairly common winter resident along the entire length of the Colorado River and in tributary riparian habitat. Elsewhere in the region it is a rare spring and fall migrant. Conditions may vary among subspecies. Data source: Gatlin, BP. 2011. Annotated Checklist of the Birds of the Grand Canyon Region. 3rd edition.