Geographical distribution of White-winged crossbill in North America.   Year-round  Nonbreeding  Nonbreeding (scarce)
Benkman, C. W.. 2012. White-winged Crossbill (Loxia leucoptera), version 2.0. In The Birds of North America (A. F. Poole, Editor). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi-org.acces.bibl.ulaval.ca/10.2173/bna.27
Cephas