Geographical distribution of Loggerhead shrike.    Breeding  Year-round  Nonbreeding
Yosef, R. (1996). Loggerhead Shrike (Lanius ludovicianus), 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.231
Cephas