Product Type: Journal Article
Author(s): Ruth, J.M
Ruth, J.M. 2008. Distribution of breeding Arizona Grasshopper Sparrow (ammodramus savannarum ammolegus) in the southwestern United States: Past, present, and future. Studies in Avian Biology No. 37: 113-124.
This publication is distributed by the USGS Fort Collins Science Center through cooperation with the Cooper Ornithological Society .
The Arizona Grasshopper Sparrow (Ammodramus savannarum ammolegus) breeds in desert grasslands of southeastern Arizona and southwestern New Mexico in the US, and in adjacent parts of northern Sonora and Chihuahua, Mexico. Roads that were surveyed in 1982 and 1987 in Arizona and New Mexico were relocated and roadside survey protocols were repeated in 2004 and 2005 to identify changes in distribution or abundance of the subspecies during the subsequent 17 yr...