Critical notes on the subspecies of the spotted owl, Strix occidentalis (Xantus)
Oberholser, Harry C. (Harry Church), 1870-1963
Article
1915
Proceedings of the United States National Museum
49
Issue: 2106
251--257
BioStor
English
Washington Smithsonian Institution Press, [etc.]
BioStor: https://biostor.org/reference/79426 DOI: https://doi.org/10.5479/si.00963801.49-2106.251