On Lanius excubitor and Lanius major
Collett, Robert, 1842-1913
Article
1886
Ibis
4
Series: 5 Issue: 1
30--40
BioStor
English
[London], Published for the British Ornithologists' Union by Academic Press,
BioStor: https://biostor.org/reference/288301 DOI: https://doi.org/10.1111/j.1474-919x.1886.tb06265.x
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