Geographical distribution of Grasshopper sparrow.     Breeding  Year-round  Nonbreeding
Vickery, P. D. (1996). Grasshopper Sparrow (Ammodramus savannarum), version 2.0. In The Birds of North America (A. F. Poole and F. B. Gill, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi-org.acces.bibl.ulaval.ca/10.2173/bna.239
Cephas