Geographical distribution of Swamp sparrow.    Breeding  Migration  Year-round  Nonbreeding
Mowbray, T. B. (1997). Swamp Sparrow (Melospiza georgiana), 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.279
Cephas